Coco Coir, Vermiculite, and Gypsum (CVG) is one of the most reliable and widely used substrate blends in mushroom cultivation. Whether you’re growing gourmet or medicinal mushrooms, CVG offers the perfect balance of hydration, aeration, and structure to support healthy mycelial growth.
Use this calculator to quickly and accurately determine how much of each component you’ll need for your specific grow size. No more guesswork just clean ratios, consistent results, and better yields.
CVG Mix Calculator
Supplies for Making CVG
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Coco Coir Bricks
Compressed coir bricks are convenient for preparing repeat batches of CVG substrate. It is important to get the right coco, some contain trichoderma for plant growth, get bricks like the one linked below.
→ Check coco coir on Amazon
Vermiculite
Used to improve moisture retention and structure in a CVG mix.
→ Check vermiculite on Amazon
Gypsum
The final component of the standard CVG recipe.
→ Check gypsum on Amazon