Tetra TetraPro Tropical Crisps Fish Food, 2.37-oz; Give your finned friend a delicious and nutritious meal with Tetra TetraPro Tropical Crisps Fish Food. These flakes contain highly digestible ingredients and each crisp has a colorful outer ring of essential nutrients that can be metabolized for maximum nutrition. The inner layer has algae meal for concentrated color and high-protein krill for muscle growth. Tetra TetraPro Tropical Crisps Fish Food leaves up to 35 percent less waste behind for more usable food, clearer water and healthy fish.