New Bulk Rate! Please indicate in your order note if you want them in 2 or 5-lb increments. Custom sizes are available; use product inquiry for a quote. 40lb minimum for the bulk price.

The use of sterilized grain is critical to mycology. Our grain is slowly hydrated to ensure maximum nutrient availability to the mycelium.
Grain is guaranteed to be sterile and of the highest quality available.
Grain comes in a bag with a .5-micron gas exchange patch. Each bag comes with a self-healing injection patch.