Grain & Substrate

Our Grain & Substrate collection brings sterile and non-sterile options together in one place. Choose our sterilized grain bags, all-in-one grow bags and prepared coco coir when you want clean, sealed bags that are ready for inoculation.

Prefer to prepare your own? Our dry pack substrate, coconut coir bricks and vermiculite are not sterile, so you can hydrate, pasteurize or sterilize them your way. Each product is tagged Sterile or Not Sterile so you can quickly find the right fit for your grow.