Algae Eater Wafers Recommended for: bottom feeder and algae-eater fish species API has been an industry leader in fish care, nutrition, treatments, testing and pond products for over 50 years, giving them a keen insight into your aquarium and its needs - making them the clear choice for fish enthusiasts around the world. APIs algae eater wafers have been developed not only to nutritionally support your fish, but also to improve their overall aquarium environment. These wafers are made with a rich blend of algae plus Omega-3 fatty acids to help promote healthy growth and development, plus alfalfa to promote a good digestive system. They also contain a unique, nutritionally enhanced protein to ensure easy uptake of nutrients, for maximum absorption - which leads to less waste on your fishs behalf, keeping your aquarium water clearer and leading to the production of up to 30% less ammonia than other food brands.