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. API 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.