The Hesi Starter Kits are a good value for the money. You get all of the required nutrition for your plants to thrive - conveniently packaged in one box. For beginners or experienced growers Hesi starter kits are highly recommended. Each kit includes an easy to follow grow schedule. A great way to test Hesi nutrients for the first time! Coco Kit includes: 500 ml TNT Complex, 1 liter Coco Bloom Complex, 1 liter PK 13/14, 500 ml Root Complex, 10 ml SuperVit, 500 ml PowerZyme.