TetraFin Flakes (4.52 lbs) The latest version of Tetra?s flagship goldfish food has been optimized with the fishkeeper?s success in mind. Dispenser lids (on select sizes) allow hands-free feeding, and an easier-to-digest formula yields Tetra?s ?Cleaner & Clearer Water? guarantee. TetraFin® Flakes continue to be packed with patented, health-enhancing ProCare. This precise blend of immunostimulants, vitamins, biotin, and Omega-3 fatty acids is custom designed to strengthen fish's resistance to disease and stress.