TetraFin Flakes ( 7.06 oz) The latest version of Tetras flagship goldfish food has been optimized with the fishkeepers success in mind. Dispenser lids (on select sizes) allow hands-free feeding, and an easier-to-digest formula yields Tetras 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..