Organic Rye Berries. 25 pound bag. 100% USDA certified organic non-GMO grains. Rye berries are regarded as the highest quality grain to make mushroom spawn out of. A common preparation method is to thoroughly rinse the rye berries, soak in water for 12-24 hours, boil for 10 minutes then load into jars or filter patch mycobags for sterilization. Pressure cook for 90-120 minutes at 15 PSI.
Shipping Disclaimer: This product does not ship to PO boxes. We only ship this product to the 48 contiguous states. We do not ship this item to Alaska, Hawaii, or any U.S. territories.