5 Pounds Sterile Mushroom Substrate compost Free Shipping

Our unique blend of compost is made from fully composted and aged manure, peat moss, vermiculite, and finally shredded hardwood. Fully aged and broken down. We have added the appropriate amount of moisture and calcium carbonate for optimal growth and correct PH.Packaged in a 5-pound myco-bag, fully sterilized, shrink-wrapped, and shipped to your door. This compost is ready to use and produces pounds of fresh mushrooms for you to enjoy!! Simply add your favorite colonized grain spawn.