Pasteurized Mushroom Substrate (10lbs) – Manure Based Bulk Substrate

(3 customer reviews)


1 in stock (can be backordered)

  • Highly Nutritious Mushroom Substrate

  • Designed for Ideal PH Levels and Nitrogen Content

  • Hydrated to ideal moisture capacity

  • Approximately 10 quarts of substrate

  • Ready to use

  • Made to order. Please allow 4-6 days for product to ship


Called by some as the Genus Mix, this bulk growing substrate is a proprietary manure-based blend designed to provide the ideal moisture, PH levels and Nitrogen for all of your manure loving mushroom species. Your mushrooms will thrive in this bulk substrate comprised of manure, coco coir, vermiculite, gypsum, organic earthworm castings.

The bag will arrive hydrated to ideal capacity, pasteurized and ready for use.

Available in 5lb, 7.5lb, and 10lb bags.

Additional information

Weight 170 oz
Dimensions 10 × 10 × 10 in

3 reviews for Pasteurized Mushroom Substrate (10lbs) – Manure Based Bulk Substrate

  1. Dustin Sapington

    Works great.

  2. Barbie

    This stuff rocks! I love making my own sub but I rarely have the time these days. After trying substrates from many different companies, this is the only one that performs as well (if not better) than my own recipe. Thank you!

  3. Jake Smith

    Best substrate I’ve used. Fast delivery really good results. Highly recommend

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