10 x 6lb Master's Mix Sterilized Supplemented Hardwood Substrate 0.5 Micron Filter Patch Bags

  
This listing is for ten 6-pound bag of master's mix substrate. Try our tried-and-tested master's mix substrate blocks. We've been leveraging over 2 decades of mushroom cultivation to bring you our supplemental hardwood sterilized master's mix substrate blocks. Pre-sterilized (20 psi for minimum of 5 hours).

Sealed (inside a unicorn mushroom grow bag 2.2 mil plastic). 0.5 micron air filter patch. Just add your own grain spawn.

All products are handmade, sterilized, and packaged in our colorful colorado lab. Bag does not contain mycelium, spores, or cultures. For gourmet and medicinal legal use only. For best results, spawn within 1 week of receiving.

This item is made of water and polypropylene bag, love, hardwood pellets, soybean hull pellets.