This fertilizer is made from whole fish and carcass products, including bones, scales and skin.Fish liquid fertilizer improves soil health, it also increases soil fertility by providing the primary nutrients necessary for plants to thrive. Fish fertilizers offer a source of burn-free nitrogen, along with the other primary nutrients of phosphorus and potassium. Unlike synthetic options, they may also provide secondary nutrients, such as calcium. Plants that receive a balance of primary and secondary nutrients experience strong and steady plant growth, leading to vigorous plants that can better withstand disease and pest issues.