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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, See our video about this here: