Bulk mushroom substrate is where the mycelium stops exploring and starts building. Our CVG and CVGM are hydrated, then pasteurized for 6 hours rather than sterilized, so the beneficial microbes stay alive and help your spawn take over fast.
Grab a 3 lb grow bag and mix spawn right in the bag, or a 10 lb monotub refill. Mixing your own? Our sun-cured horse manure is raw and ready for your recipe.
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Classic CVG bulk substrate: coco coir, vermiculite and gypsum, hydrated and pasteurized for 6 hours, packed in Unicorn filter-patch bags. Choose a 3 lb grow bag or a 10 lb monotub refill.
Manure-enriched CVG: coco coir, vermiculite, gypsum and about 10% composted manure, hydrated and pasteurized for 6 hours, packed in Unicorn filter-patch bags. Choose a 3 lb grow bag or a 10 lb monotub refill.
Sun-cured, finely shredded horse manure from Texas for mixing your own manure-based substrates. Raw, not pasteurized. Packed full in a USPS Large Flat Rate box (roughly 10–15 lb), shipping included.
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