Sterilized Rye Grain Spawn

100% Organic Whole Rye Grains cooked to perfection and Sterilized in an Industrial Auto-Clave. MaxiMush ships each grain bag perfectly hydrated and ready for action!  Expect Heavy and Healthy Mushrooms using their Favorite Grain Spawn! Includes self-healing injection port for hassle free and sterile inoculation. Don’t settle for anything less for your grain spawn! Comes in both 3 and 5 pound bags! With MaxiMush, You’re Good to Grow!