Feed your Goldfish a protein-rich diet scientifically formulated to promote healthy growth and cleaner, clearer water with API Optimal Protein Flakes for Goldfish Food. This complete and balanced diet is ideal for all types of Goldfish including Shubunkins, Lionheads and Fantails. It contains nutritionally-enhanced protein for maximum digestion and produces up to 30% less ammonia. The more nutrients your fish digests, the less waste and ammonia are released, leaving cleaner, clearer water. Plus, it contains menhaden and squid for optimal growth, carotenoids to enhance color, brewers yeast and garlic for palatability. Feed twice a day, and provide only as much as your fish will eat within three minutes.