Mushroom Substrate

BAS Mycelium Biome Substrate

This special blend of Coco Coir, Manure, Gypsum, Vermiculite and Nutritional Additives was formulated to give your mushroom mycelium the very best nutrition, and fast colonization. 

5 Pound Pasteurized Manure Based Substrate Bags are all handmade and processed in small batches. Our substrate is pasteurized for 72hrs to ensure clean and properly pasteurized substrate.

Shipping is included in the pricing.                 

10-Pound orders will be shipped in Medium Flat Rate USPS Boxes. 

20-Pound orders will be shipped in Large Flat Rate Boxes.  

 Substrate will be shipped separately from any other items ordered at the same time.