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- CVG (Coco Vermiculite Gypsum) Sterile Bulk Substrate
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CVG (Coco Vermiculite Gypsum) Sterile Bulk Substrate
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| Species | Dung-loving mushrooms |
| Moisture content | Hydrated to field capacity |
| Bag weight | 5 lbs |
Grow a variety of fungi with this beginner-friendly classic!
CVG has been helping beginner growers experience the joys of bulk substrates for decades. It’s a simple recipe – Coco, Vermiculite, and Gypsum – that yields consistent results. We use premium, third-party tested ingredients, then hydrate to field capacity and sterilize in industrial autoclaves for a bulk substrate that provides dependable yields.
Our ready-to-use CVG blend starts with our own RHP-certified MycoCoco as the base (the first coco coir researched and selected specifically for its mushroom cultivation qualities). We then add asbestos-free, horticulture-grade, US-sourced vermiculite and complete the trifecta with OMRI-approved gypsum. These components have a low bacterial load and low nitrogen levels making them less prone to contamination and ideal for beginner growers. The result is a perfect balanced substrate for mushroom spawn to prosper and fruit.
Moisture content: Each bag is optimally hydrated for fast colonization times and top yields.
Spawn to bulk ratio:
We recommended mixing 1 colonized grain spawn bag with 2-3 bags of CVG. (Higher inoculation rates may improve your success.)
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Click here for pdf of printed instructions.
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- We recommend clean hands, latex or nitrile gloves, and sterile technique when using CVG to reduce the introduction of contaminants.
- Be sure to mix colonized grain spawn thoroughly into your substrate.
- It is best practice to wait a minimum of 1 week after arrival before using sterile substrates to ensure they were not compromised during transit. Rest assured that your purchase is 100% guaranteed. If your substrate was compromised, we will replace it.
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CVG should be stored at room temperature out of direct sunlight. No refrigeration is necessary. They can also be stored for several months before use.
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Our CVG is sterilized in a commercial-grade autoclave. Sterility is verified using biological indicators and temperature sensors.
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North Spore promotes the use of its products for lawful purposes only. North Spore does not encourage the procurement, use or growing of any illegal substance. North Spore does not condone, encourage, facilitate, solicit, or promote any illegal activity. Certain substances are illegal under state and federal laws, and it is the consumer’s responsibility to be informed about the legal status of any substance the consumer grows, procures, or uses.
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