Microbes Bloom Stage MICROBES are a specific group of Beneficial Bacteria and Fungi formulated specially for the Flower/Bloom Stage of plants. This variety of Microbes is designed to promote Nutrient Availability & Plant Protection during the Bloom Stage. Inoculate flowering and fruiting plants with the highest CFU?s on the market! All RAW Microbes are Double Tested, both the individual culture/species as well as the Final Blend. We test twice to ensure accuracy and viability!