Flora Series is the original 3-part Building-Block Nutrient System. It contains all Primary Secondary and Micronutrients necessary for balanced plant nutrition enhanced yields and superior crop quality. These nutrients form a complete and balanced fertilizer that provide plants with everything required to successfully build strong plant structures and big blooms. Flora Series is pH buffered. Stimulates structural and vegetative growth. Builds strong roots. Provides Nitrogen Phosphorous Potassium and secondary minerals.