Mass Mycology Sterile Manure Substrate
Maximize your mushroom yield with our best-selling sterile, manure-based substrate—expertly formulated by mycologists for stronger, more productive grows.
Made from a proprietary blend of composted cow manure, coco coir, and premium supplements, it’s perfected for dung-loving species and hydrated to ideal field capacity. Suitable for monotubs, filter bags, outdoor beds, or direct grow setups.
Recommended ratio: Mix 1 colonized grain bag with 2–3 substrate bags for best results.
$19.99
Mass Mycology Sterile Manure Substrate
Maximize your mushroom yield!
Our best-selling Substrate Bag is a sterile manure-based bulk mushroom substrate formulated by mycologists to increase the yield of your grow. It features a proprietary blend of composted cow manure, coco coir, and several quality substrate supplements.
Over several years, it has been perfected for dung-loving mushroom species and is widely-trusted by mushroom growers. Note: Substrate is hydrated to field capacity.
Use substrate bags in monotubs, filter bags, and outdoor beds. Or, grow mushrooms from the bag or tray in a humidity-controlled grow room or Martha set up.
Spawn to bulk ratio:
We recommended mixing 1 colonized grain spawn bag with 2-3 substrate bags. (Higher inoculation rates may improve your success.)
Additional information
| Size | 5 lb. |
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