12 x 1 lb. Sterilized Rye Berries Mushroom Substrate for Grain Spawn

12 x 1 lb. Sterilized Rye Berries Mushroom Substrate for Grain SpawnOur 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

Our 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 use, because injection ports are not needed. We inject straight through the plastic and cover the hole with heavy duty scotch tape. Scotch tape is sterile off the roll due to the process it undergoes to lay the adhesive. Do not use micropore tape or a breathable tape, because it is not needed. How to inoculate a substrate bag without using an injection port: