Brown"s Encore floating Koi & Goldfish food is an enhanced, show-quality, maintenance food designed for the professional enthusiast and the novice. This revolutionary diet offers the optimum in superior nutrition, digestion, nutrient absorption and color enhancement to bring out the best in your koi or goldfish. We"ve blended key vitamins and minerals to help support an effective immune system to assist in reducing stress-related diseases. Our low phosphate and nitrate blend won’t cloud water and helps prevent green water bloom. We’ve also added real, freeze-dried, nutritious shrimp that koi love to eat. Shrimp are full of natural vitamins, minerals and rich in carotenoid pigments for added color. Encore is the ultimate floating food for koi and fancy goldfish of all sizes. This product is recommended for the spring and fall when temperatures range from 40 to 70 degrees.