API has developed a fish food diet that delivers a healthier aquatic environment for fish and clean, clear water. API Fish Food contains a unique, nutritionally enhanced protein to ensure easy uptake of nutrients, for maximum absorption. Fish more readily use the nutrients and release less waste and less ammonia, for clean, clear water.Laboratory testing has proven that API Fish Food delivers up to 30% less ammonia.DirectionsFeed a small portion up to twice a day. All food must be consumed within 3 minutes. Do not overfeed, after 3 minutes remove uneaten food.