***Note: Our “Compost” substrates are designed for compost loving mushroom species***

Introducing The Ultimate “Compost ” Growth Substrate!

This is the NEXT LEVEL in mushroom cultivation!

Years of research and development have been LEVERAGED to create The Ultimate “Compost” Growth Substrate, a Complex and Nutrient Rich Recipe of Weathered Horse Compost, Coconut Coir, Vermiculite, and Super Supplements that will produce:

1. Quick Colonization
2. Robust Mycelium

TIME TESTED and PROVEN to ensure you get results!

The Ultimate “Compost” Growth Substrate comes Pre-Sterilized inside Professional Grade Grow Bags. Each bag has a:

i) 2-MICRON FILTER (to keep Contaminates Out and Fresh Air in)
ii) SELF HEALING Injection Port (to Keep Your Inoculation Sterile)

Bags are available in 1-Pound, 2-Pound, and 5-Pound increments! Be sure to purchase one of our 1-pound Premium Grain Spawn bags to easily inoculate your 5-pound bag of our Growth Substrate!

Check out our other listings for our Un-Inoculated or PRE-INOCULATED Premium “Better Than Rye” Grain Spawn Bags, Liquid Cultures, Substrate Blocks and other Mushroom Growing Essentials!

Everything is Handmade and Sterilized in our Professional Lab in Texas!