6 x 1 lb. Sterilized Rye Berries Mushroom Substrate for Grain Spawn oyster family Strong colonization rates

Strong colonization rates

Master the cultivation of this aromatic variety with our premium grain spawn

Experience our premium King Oyster culture

Start growing the prestigious Grifola frondosa with our premium plug spawn

this substrate provides the perfect foundation for mushroom cultivation

6 x 1 lb. Sterilized Rye Berries Mushroom Substrate for Grain Spawn oyster family Strong colonization ratesOur 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