Sterilized Popcorn Mushroom Substrate Bag

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  • Optimal Substrate: Specially formulated popcorn substrate ideal for diverse mushroom cultivation.
  • Ready-to-Inoculate: Equipped with a self-healing injection port for ease of use.
  • High Moisture Retention: Popcorn absorbs and holds more moisture, fostering robust mycelial growth.
  • Sterile and Safe: Pre-sterilized and sealed in a bag with a 5-micron filter for optimal gas exchange and contaminant protection.
  • Beginner-Friendly: Simple and straightforward, ideal for novice mushroom cultivators.
  • Quality Assured: Backed by Out-Grow's commitment to high-quality mushroom cultivation supplies.
  • Buy 6 for $7.05 each and save 6%
  • Buy 12 for $6.75 each and save 10%
  • Buy 25 for $6.38 each and save 15%
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