Pasteurized Manure Based Mushroom Bulk Substrate (5lb Bag)

Starting at: $27.00

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Please note if you plan to start from a spore solution you need to begin with sterilized rye grains before manure based substrate.


This Sale is for a 5lb bag which is equal to 7.5 quarts in volume. Manure Based Mushroom Growing Substrate is a specially formulated mushroom growing substrate for growing gourmet edible mushrooms. We take field leached horse manure, shred it and then fortify it with all the necessary minerals and vitamins that mushrooms need to grow. We get our manure from one single organic source.


Manure Based Mushroom Growing Substrate should be used in conjunction with our mushroom grain spawn, rye berries and mushroom casing. You can mix and match our products to make your own personalized mushroom grow kit.


Manure Based Mushroom Growing Substrate comes to your front door sterilized and ready to use! You will receive your substrate in a heat sealed, large mushroom grow bags with a 5 micron filter patch to provide perfect fresh air exchange and filter out bacteria and other contaminants. We use the largest spawn bags available to insure plenty of room for substrate and the fruiting mushrooms. By cultivating in these mushroom grow bags you don't have to adjust humidity or worry about contaminants compromising your grow. This is real easy, even for beginners.

  • Model: msmbs5lb100
  • Shipping Weight: 5lbs
  • 85 Units in Stock

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100% all natural products
Mushroom Substrate uses only 100% natural and organic products in our manufacturing process.

Our products do not contain any pesticides, herbicides heavy metals or anything else harmful.

This product was added to our catalog on Saturday 27 July, 2019.