Koi need a special combination of proteins, vitamins, and minerals to achieve maximum growth in your water garden. TetraPond Growth Food for Koi has been specifically created from painstaking research to stimulate streamlined growth, as well as looking after the Koi's general well being. It is a particularly good food during the warm summer months when the fish are able to grow more quickly. Use together with TetraPond Koi sticks to achieve a perfect combination of speedy growth and dazzling coloration in your Koi or pond fish.