Feed your finned friends the high-quality nutrition they deserve with this Spirulina Flake Fish Food by Ocean Nutrition. These flakes are palatable， packed with protein and formulated for freshwater and marine fish. It is made with high-quality ingredients fish fillets， spirulina， marine algae， krill， brine shrimp and more， along with vitamins and minerals! Not only is this fish food made with real， recognizable ingredients， but they are also thoroughly tested and formulated by aquaculture biologists. Help promote your underwater buddies’ coloration and healthy immune system by sprinkling some Spirulina Flake Food into their tank!