The 3lb Popcorn Mushroom Substrate Grain Bag provides a nutrient-rich and fully hydrated substrate that supports robust mycelial growth and consistent mushroom cultivation. Known for its superior moisture retention, popcorn is an excellent substrate for mushroom species that require high nutrient levels for vigorous colonization.
Packaged in a durable mushroom grow bag, the substrate features a self-healing injection port for contamination-free inoculation and a 5-micron filter patch for optimal gas exchange. Ready for immediate use, this 3lb mushroom substrate ensures consistent results with multiple mushroom flushes.
