Mushroom Substrate
Popcorn Mushroom Substrate Grain Bag 3lb
Popcorn Mushroom Substrate Grain Bag 3lb
3lb of fully hydrated and sterilized popcorn mushroom substrate
Self-healing injection port for easy, contamination-free inoculation
5-micron filter patch for proper gas exchange and contamination prevention
Supports multiple flushes and healthy mushroom growth
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Popcorn Mushroom Substrate Grain Bag - 3lb
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.
Click here to learn how to use this product.
Other sizes and formats
- Popcorn Mushroom Substrate Grain Bag 1lb — $7.73
- Popcorn Mushroom Substrate Jar 1qt — $11.28
- Popcorn Mushroom Substrate Grain Bag 5lb — $25.70
- Popcorn Mushroom Substrate Jars 12-Pack — $119.74
- Popcorn Mushroom Substrate Grain Bags 25lbs — $134.42
What you'll need with it
- Spawn it into a bulk substrate — manure, pasteurized straw or hardwood
- Growing button or portobello? You also need casing soil
Guides
- How to use Popcorn Mushroom Substrate Grain Bag 3lb
- Spotting contamination early
- How long grain spawn keeps
- Which substrate suits which mushroom
Work out how much you need · Free shipping over $150.
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