Our raw horse manure is a great start for making your dung loving mushroom substrate. Our horse manure is field aged for two years in gigantic row so there is no typical manure smell. You will need to add your own adjuncts and pasteurize accordingly. See our other listings for ready to use substrate mix.
This listing is for a 16" x 16" x 16" box, 2.2 cubic feet, full of manure , approximately 45 pounds but the weight will vary due to moisture content.
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Manure Based Substrate Recipe
75% Horse Manure
10% Coco Coir
To make a 10 quart batch:
Manure 7.50 quarts
Coco Coir 1.00 quart
Vermiculite 1.00 quart
gypsum 0.50 quart
Mix well, add water to field capacity, bag and pasteurize.
While many of our products have free shipping, the shipping costs for heavier items are calculated by weight and distance. Please consider the labor and resources required for shipping and understand that we cannot provide free shipping on some items. We offer a local pickup option at our warehouse in Northern California near Sacramento.