Sterilized Rye Berry Mushroom Substrate with Self Healing Injection Port (6)

Hydrated and fully sterilized ready to use out of the box Five micron filter patch for gas exchange while keeping contaminations out Great for any gourmet mushroom mycelium Easy to use and can be stored for up to 4 months Self healing injection port to help guard against contamination during inoculationYou may also like HydroOrganics HOEB35024 Earth Juice Elements Bloom Germination Kit, 2-1/2-Gallon 0-16-16.