Uninoculated dowel plugs (pins) are a highly reliable substrate for growing many mushroom species. These 5/16″ X 1″ spiral grooved birch plugs work well when mixed with your favorite spawn master.
Wood-loving mushroom varieties love these birch plugs, and since we sell them uninoculated, you are free to choose any wood-loving species you like.
To use, hydrate the dowels by soaking in water for 24 hours. Sterilized in a pressure cooker or autoclave at 15 PSI for 90 minutes before inoculating.