Choose from three kinds of professional koi food specifically designed for show-grade competition koi. Each contains a unique, beneficial set of bacteria that protects against infection, improves digestion and reduces waste up to 40%. Color-Enhancing diet has pure-cultured Spirulina and high levels of zeaxanthin to promote bright red areas on koi without affecting the color of white areas. Growth diet has a mix of fats and nutrional components to help koi grow to competition size. Multi-Season diet is made up of easily digested ingredients, including wheat-germ kernel, for steady growth even when water temperatures are cooler (below 58°F/15°C). All Saki-Hikari koi food will float.