Sterilized Grain Spawn

Note: 2 LB minimum order required.

Sterilized mushroom grain spawn substrate (millet with additives) in an autoclave gusset bag. Commonly regarded as one of the highest quality grains for spawn production and is the industry standard for growing mushrooms. Prepared by the mycology experts at Shroomie Bros. Must be used within two months of purchase.

• Grain Spawn (Millet with Additives).
• Sterilized in Autoclave.