Product form: Dry powder, water soluble NPK analysis: N/A Product designation: Natural. (This product is a candidate for organic certification. To ensure the lowest price, Kelp4Less has chosen not to register this product.) Primary function/use: Soluble and available micro-nutrients. Well suited for: Hydroponics, soil and soil-less. Boron trace amounts Manganese – 2.00% Iron – 4.00% Zinc – 1.00% Molybednum trace amounts Magnesium – 4.00% Chelated with EDTA When and where to use: During all stages of plant development. Directions For Use How to mix: Mix one (1) dry oz. per 50 gallons of reservoir water. Mix 1/16 tsp. to one (1) gallon of water. Storage: Ensure bag is properly sealed and stored in cool, dry, dark place.