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Premium Brown Rice Mushroom Spawn Bag | Sterilized Grain Spawn with Injection Port | 3 lb Each (4)

Premium Brown Rice Mushroom Spawn Bag | Sterilized Grain Spawn with Injection Port | 3 lb Each (4)

$74.90

Non-GMO, naturally nutrient-rich brown rice ensures faster mycelial expansion and better yields compared to rye or other grains.
Larger volume for more robust growth. Pressure-sterilized and fully hydrated, so you can inoculate right out of the box.
Each bag includes a 5-micron filter patch for optimal gas exchange and a self-healing injection port to minimize contamination risk.
Inject 12–18 cc of spores or liquid culture, gently shake, and store upright at comfortable room temperatures. Expect visible growth within ~2 weeks, full colonization in 4–6 weeks.
Once fully colonized, each bag can inoculate substantial amounts of bulk substrate. Enjoy higher inoculation points and quicker colonization thanks to smaller, more uniform grain size.

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Price: $74.90
(as of Jun 20,2025 02:19:37 UTC – Details)



Non-GMO, naturally nutrient-rich brown rice ensures faster mycelial expansion and better yields compared to rye or other grains.
Larger volume for more robust growth. Pressure-sterilized and fully hydrated, so you can inoculate right out of the box.
Each bag includes a 5-micron filter patch for optimal gas exchange and a self-healing injection port to minimize contamination risk.
Inject 12–18 cc of spores or liquid culture, gently shake, and store upright at comfortable room temperatures. Expect visible growth within ~2 weeks, full colonization in 4–6 weeks.
Once fully colonized, each bag can inoculate substantial amounts of bulk substrate. Enjoy higher inoculation points and quicker colonization thanks to smaller, more uniform grain size.

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