Neptune's Harvest Organic Fish and Seaweed Blend Fertilizer gives you the best of both products in a perfect blend of fish hydrolysate and seaweed. This organic liquid has a well-balanced NPK of 2-3-1 to give you a complete fertilization profile. Increases marketable yields and improves your bottom line Provides all the benefits of kelp and liquid fish fertilizers combined Extends the shelf life of fruits and vegetables Can be used on everything you grow The combination of fish and seaweed is known to build the natural sugar in plants. This results in long-lasting, bountiful blooms that are extra fragrant and foliage that is strong and full of color.