Made from fresh fish from the Atlantic Ocean and contains no chemical additives. It contains naturally occurring amino acids, as well as a huge complex of chelated minor elements (especially B vitamins), making it an excellent fertilizer. Many professional gardeners recommend the use of both Maxicrop Liquid Fish and Maxicrop Liquid Seaweed. Contains: 5.0% Total Nitrogen, 0.5% Ammoniacal Nitrogen, 0.75% Water Insoluble Nitrogen, 3.75% Other Water Soluble Nitrogen, 1.0%Available Phosphoric Acid, 1.0% Soluble Potash, and derived from Fish, Chlorine analysis 4% maximum.