Blackwater Plus - Plant Growth Booster - Nutrients + Plant Hormones + Beneficial Microorganisms - Professional Grade (8oz Concentrate: Makes 8 Gallons) Uniquely benefits all types of plants! Finely tuned, natural plant hormone agents produce rapid, dense growth, hardier plants, and quality root mass Chemical-free: micro organisms naturally improve soil over time, slowly releasing plant food organically Complete trace elements and tertiary nutrients. Can safely be used in combination with all other soil amendments and fertilizers Ingredients backed by government and university studies, as well as extensive field testing