About MP Substrates

Products Available

• Dry Shredded Horse Manure
• Gypsum Powder Solution
• Manure Based Substrate
• Simple CVG Substrate
• Sterile 3lb mixed grain bag with injection port (Milo, Whole Oats, Rye)
• Sterile 3lb rye bag with injection port
• Unicorn 10T injectable spawn bags with .2 micron filter patch

Staying Updated

If you are on social media, you can find them on Instagram and Reddit.  Both are updated regularly and are a great way to see what they are up to.  They have a website to purchase their products.  The site also has a great guide on how to build a pasteurizer.  

(Links to everything are in the “Contact Information” section below.)

More Information on MP Substrates

MP Substrates is an up and coming company that sells a high quality product at good prices.  If you are in the market for high quality substrates, look no further.

If you’ve purchased any of their products or have visited them at a farmers market, we’d love to hear all about it.  Please leave a review below.