Ocean nutrition formula two flake food is a gourmet food packed with extra algae and fresh sea foods making it a natural choice for herbivorous marine and tropical fish. Developed by aquaculture biologists, this food will significantly improve coloration and vitality in fishes while boosting the immune system to aid disease resistance. Features: Contains stabilized vitamin C and immune boosters. Contains extra algae to please the more herbivorous fish. A highly attractive staple food for your marine fish. High protein content and rich in vitamins. Does not cloud the water. Formulated and tested by aquaculture biologists.