MY FUNGI’S STERILIZED, NUTRIENT-RICH ORGANIC GRAIN IS SPECIALLY PREPARED TO MAXIMIZE COLONIZATION SPEED. THE BAG FEATURES A SELF-HEALING INJECTION PORT TO AVOID CONTAMINATION DURING INOCULATION AND A 0.2-MICRON FILTER PATCH TO PROMOTE OXYGEN AND C02 EXCHANGE. ONCE COLONIZED, USE YOUR GRAIN TO INOCULATE MY FUNGI’S STERILIZED SUBSTRATES. GUARANTEED CONTAMINATE FREE, MUSHROOM CULTURE NOT INCLUDED