Grain Spawn

(ON SALE!)  Save time with our pre-sterilized grain bags! Our carefully chosen organic rye is soaked for 16 hours in an alkaline mineral water and then slowly simmered to maximize the water content. After simmering the grain is fortified with gypsum and allowed to dry and then bagged and sterilized for 180 mins in our autoclave at 20 PSI. This higher autoclave temp ensures all endospores left in the rye grain are destroyed. Our bags are guaranteed to arrive fresh and sterile. Order More...

(Now available) Myco Labs is excited to introduce our premium 3LB Colonized Grain Spawn, a top-choice product for both professional mushroom cultivation and passionate mycologists. Our grain spawn stands out due to its exceptional quality, originating from first-generation genetics across a variety of gourmet mushroom strains. This guarantees not only vigorous growth but also abundant yields. Crafted from certified organic rye, milo & millet grain, our grain spawn is a thriving bed of mushroom...