GREASE Bison Brew 4 lb Bag - Bison Compost

Bison Brew is the best compost for brewing tea, mixing in media, and growing mushrooms: made 100% by American Bison and aged for at least 2 years to the point of fungal dominance. Bison are the largest bovine with the most diverse microbial communities, far superior to cows. Naturally high in carbon and contains numerous minerals including Calcium, Magnesium, Iron, and Zinc.