Big Foot Concentrate is the very first all-in-one mycorrhizal product to include biochar, worm castings, and high performance mycorrhizal fungi, perfect for your plants. Mycorrhizal fungi form a symbiotic bond with plant roots creating a microbial web. The microbial web accesses and absorbs water and vital nutrients. Mycorrhizae has been utilized by landscapers, farmers, nurseries, innovative hydroponic and home growers, soil media manufacturers, professional horticulturalists, and world champion pumpkin growers. Now it’s available to you! Effective. Safe. Superior. Big Foot.