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*Only available in the USA*
NOTE: This product does not contain manure, manure-derived substances, or wood. This product is intended to grow mushrooms for limited research purposes and is specifically designed for consistency and ultimate control over your inputs.
Unboxed M-minus manure-less substrate - used by professional growers in the mushroom industry to grow manure-loving mushrooms.
Perfect for mushroom monotubs and bag growing. This coco-coir-based fruiting substrate is used to grow manure-loving species... without the manure.