Tetra Marine Crisps 70g Tetra Marine Crisps are an advanced formulated daily diet for the specific needs of marine fish. Tetra's marine foods are formulated for the specific needs of marine fish, containing a blend of marine crustaceans, algae, and vitamins for a complete balanced diet. Tetra Marine Crisps implements their patented energy Crisp Technology, which provides better nutrition compared to flakes encouraging excellent growth and condition. The lower temperature in creating the crisps preserves more vitamins and with Tetra's ActiveFormula are ideal to maintain a healthy immune system of marine fish. Tetra Feeding guide: Feed 2 - 3 times a day, only as much as your fish can eat within a few minutes.