Foxfarm, PT, Bushdoctor Microbe Brew, Liquid Fertilizer, Complex Blend Of Ingredients Specially Formulated To Help Plants Achieve Optimum Microbial Habitats At The Rhizosphere Or Root Zone Environment, Contains Concentrated Amounts Of Fungi & Bacteria Spores That Will Inoculate Large Populations At A Rapid Pace, Also Contains Macro & Micronutrients That Feed Not Only The Plant, But Also Ingredients Specially Formulated To Feed The Actual Microbial Population, Can Be Used In Both Hydroponic & Soil Applications.