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
  • One-pound bag or bags (equal to one quart in volume) of sterilized rye berry substrate
  • Ideal for growing a variety of mushroom species
  • Easy to use and can be stored for up to 4 months
  • Self-healing injection port for easy inoculation

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