Cobalt Brand Discus Flake Fish Food A powerful blend of flakes, Co-developed by Discus expect Discus Hans Designed to keep Discus in top condition and color All flakes are fortified with Probiotics to support a healthy digestive system and Less waste, the Blue Flake is a rich Vitamin/Immune Flake Bigger for Aquarium, healthier fish with less waste for a cleaner aquarium; Will not cloud water