Sterilized rye berry mushroom substrate bags with self healing injection port. Each bag weighs one pound and is equal to one quart in volume. Each bag has a five micron filter patch for proper gas exchange. These bags are hy...

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Sterilized rye berry mushroom substrate bags with self healing injection port. Each bag weighs one pound and is equal to one quart in volume. Each bag has a five micron filter patch for proper gas exchange. These bags are hydrated and fully sterilized ready for you to use out of the box.

  • 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 inoculation

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