Overview Reviews Product Description 20 Pack Sodium Chloride(NaCl) EC/TDS Calibration Solution (20) packets of 20 ml 1000ppm / 2mS / 2000 µS solution Product Videos Custom Field Product Reviews Write a Review Write a Review × HM Digital TDS 1000 ppm calibr Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *
Quick view Details sku: DL-HM-SP-C5 HM Digital Replacement TDS/EC MSRP: Now: $44.95 Add to Cart Quick view Details General Hydroponics | sku: GHTDSQT General Hydroponics 1500 PPM Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Quick view Details General Hydroponics | sku: GHTDS8 General Hydroponics 1500 PPM Calibration Solution 8 oz MSRP: $8.20 Now: $6.49 Add to Cart Quick view Details sku: DL-HM-COM-80 HM Digital Pen style TDS/EC/Te MSRP: Now: $39.95 Add to Cart Quick view Details sku: DL-HM-TDS-3 HM Digital Pen style TDS/Temp MSRP: Now: $19.95 Add to Cart
Quick view Details General Hydroponics | sku: GHTDSQT General Hydroponics 1500 PPM Calibration Solution Quart MSRP: $21.50 Now: $16.95 Add to Cart Quick view Details General Hydroponics | sku: GHTDS8 General Hydroponics 1500 PPM Calibration Solution 8 oz MSRP: $8.20 Now: $6.49 Add to Cart Quick view Details sku: DL-HM-COM-80 HM Digital Pen style TDS/EC/Te MSRP: Now: $39.95 Add to Cart Quick view Details sku: DL-HM-TDS-3 HM Digital Pen style TDS/Temp MSRP: Now: $19.95 Add to Cart
Quick view Details General Hydroponics | sku: GHTDS8 General Hydroponics 1500 PPM Calibration Solution 8 oz MSRP: $8.20 Now: $6.49 Add to Cart Quick view Details sku: DL-HM-COM-80 HM Digital Pen style TDS/EC/Te MSRP: Now: $39.95 Add to Cart Quick view Details sku: DL-HM-TDS-3 HM Digital Pen style TDS/Temp MSRP: Now: $19.95 Add to Cart
Quick view Details sku: DL-HM-COM-80 HM Digital Pen style TDS/EC/Te MSRP: Now: $39.95 Add to Cart Quick view Details sku: DL-HM-TDS-3 HM Digital Pen style TDS/Temp MSRP: Now: $19.95 Add to Cart