SALE Quick view Details Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare
Quick view Details Grodan Grodan Grow Cubes MSRP: Now: $24.95 Choose Options Compare Quick view Details Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Details Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Details Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Details Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Details Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Details Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Details Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Details Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Details Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Details Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Details Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Details Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Details Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Details Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Details Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Details Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Details Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Details Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
SALE Quick view Details Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare
SALE Quick view Grodan | sku: GR6x6S Grodan Delta Hugo 6 Block 6" x 6" x 5.8" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $3.73 Was: $11.99 Now: $3.49 Add to Cart Compare
Quick view Grodan Grodan Grow Cubes Grodan Grow Cubes are 1/2" x 1/2" loose rockwool blocks. They are mainly used for container growing. You can mix them in with any other medium that you would like (such as perlite/vermiculite, coco peat, etc) or just use by themselves. They have an... MSRP: Now: $24.95 Choose Options Compare Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Grodan | sku: GR3x3S Grodan Delta 4 Block 3" x 3" x 2.5" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $6.09 Now: $4.95 Add to Cart Compare Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Grodan | sku: GR1x1S Grodan A-OK Starter Plugs 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $14.06 Now: $10.95 Add to Cart Compare Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Grodan | sku: GR1x2S Grodan Delta Starter Mini-Blocks 1.5" x 1.5" x 1.5" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.64 Now: $8.49 Add to Cart Compare Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Grodan | sku: GR8x8S Grodan Delta Big Mama Block 8" x 8" x 8" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $8.67 Now: $7.49 Add to Cart Compare Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Grodan | sku: GR3x4S Grodan Delta 5.6 Block 3" x 3" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $9.14 Now: $7.95 Add to Cart Compare Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Grodan | sku: GR4x4S Grodan Delta 10 Block 4" x 4" x 4" with Hole Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $10.12 Now: $8.95 Add to Cart Compare Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Grodan | sku: GRGC23 Grodan Grow Cubes, 2 Cu Ft Bag Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $45.86 Now: $39.95 Add to Cart Compare Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected × OK
Quick view Grodan | sku: GR2SS Grodan A-OK Starter Plugs 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.35 Now: $10.49 Add to Cart Compare Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected
Quick view Grodan | sku: GR2x2S Grodan Delta Starter Mini-Blocks 2" x 2" x 2" Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $7.27 Now: $6.49 Add to Cart Compare SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare 1 2 Next 1 2 Next Compare Selected
SALE Quick view Grodan | sku: GRPLUG Grodan Macro Plug Round With Slit, Bag of 50 Grodan Stonewool (rockwool) is made from molten rock spun into cotton candy-like fibers and then compressed into cubes, blocks, or slabs. Where other rockwool brand manufacturers cut all sizes from one batch of wool, Grodan is unique by making different... MSRP: $12.17 Was: $10.95 Now: $10.49 Add to Cart Compare