MicroLife MicroGro Granular is our flagship Bio Inoculation formula. It goes into al lMicroLife 6-2-4, Ulitmate, Humates Plus, Citrus, Hybrid and Azalea Organic Granular Fertilizers as well as into a huge variety of customer blends we do for companies. Often companies and farms want to beef up thier soil microbiology to increase crop producton and this product is the one to use. Builds immune system of lawn and plant roots. MicroGro Granular uses advanced Microbiology that colonize around the roots. MicroGro is completely safe, inexpensive and provides long term plant protection as the microbes continue to grow in the soil. The Humates further accelerate soil and plant health.