API COOL WATER FOOD is a superior pellet diet for cool water under 65 degrees Fahrenheit. High protein and rich, digestible carbohydrates in the formula help fish produce less waste, and uses natural Zeolite to reduce toxic ammonia. COOL WATER FOOD supports overall immune system health of cool water fish. Feed 2-3 times a day, only as much as they can consume in 5-10 minutes. With API POND products, its easy to keep a beautiful pond. For almost 60 years API has developed premium solutions with proven and effective results for your family and ours. API offers a range of testing kits, water conditioners, and nutritionally superior food, because were dedicated to making a better underwater world. They work to provide a safe, hospitable environment for fish such as koi, catfish, perch, goldfish and more. At API, we understand the rewards and relaxation of fishkeeping because we have a passion for fish too.