The original Building-Block Nutrient System, often imitated but never duplicated. Flora Series contains complete primary, secondary and micronutrients for enhanced yields and better crop quality. Users can adjust mixtures to suit specific plant needs. Flora Series enhances flavor, nutrition, aroma, potency, and essential oils in both hydroponic and soil cultivated plants. Flora Series contains highly purified concentrates for maximum solubility and pH balanced for ease of use. Known throughout the world as the industry standard, NASA and Antarctic Research Scientists choose Flora Series because of its superior formulation and reliability.FLORAMICRO: The foundation of the "Building-Block" System. Provides Nitrogen, Potassium, Calcium, and trace elements.