Tetra Natura is a completely new way to feed tropical fish, offering a great tasting, more nature-like diet. Using Tetra’s exclusive gel technology, natural foods are combined with additional nutrients to provide a balanced, healthy diet that your fish will love. So now for the first time you can give your fish a closer-to-nature diet that also meets all of their nutritional needs. Plus, Natura is easy and convenient to use and store. Pack contains 3 x 24hr feeding blocks for grazers.