NEPTUNE'S HARVEST - Hydrolyzed Fish Fertilizer 2-4-1 Orange Label - 36 oz. (946 ml)Neptune's Harvest is an organic fertilizer made from fresh North Atlantic fish. It is made by a unique cold process that protects vitamins, amino acids, enzymes and growth hormones. It also contains all the micro and macro nutrients found naturally in fish. Nitrogen and other nutrients are chelated, making them available for plant consumption. Unlike fish emulsions, Neptune Harvest preserves fish proteins and oils and has no unpleasant odor.