18 x 1 lb. Sterilized Rye Berries Mushroom Substrate for Grain Spawn warm weather Growing demand in health food

Growing demand in health food stores

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distinctive fragrance and robust flavor profile

Highest value gourmet market

Large 150mm Petri Dish - Perfect final environment for your blob

18 x 1 lb. Sterilized Rye Berries Mushroom Substrate for Grain Spawn warm weather Growing demand in health foodOur 1lb rye berry grain spawn bags are perfect for incubating mushroom mycelium. We use 100% certified organic rye berries perfectly hydrated to the right moisture levels. Our rye berries are supplemented with gypsum and calcium for optimal results. We use the thickest bags available, to ensure the sterility of the block. Inoculation instructions are included. Note: These bags are cheaper because they do not have injection ports. These are the bags we