Classic & reliable mixture of C.V.G. (Coco coir, vermiculite, & gypsum) hydrated to field capacity.
Sealed and fully sterilized in a unicorn bag with a 0.2-micron filter patch.
One 5 lbs bag of CVG substrate and one 3 lbs bag of grain spawn is a perfect ratio for fruiting most mushrooms. It seems to balance nutrient density and moisture content well for fast colonization and good yields.
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