Marineland Color Enhancing Goldfish Food Flakes, 9.88 Oz Marineland color enhancing goldfish flakes is an expert healthy food for superior growth and water clarity; Crafted with a low-heat process preserving more of the natural ingredients and made with a blend of high protein Peruvian anchovies and natural supplements including biotin, L- Carnitene and beta glucans to support long-term fish health Contains carotenoids to augment the red-orange color spectrum in tropical fish for natural color enhancement; Color enhancing goldfish flakes are precision thin, 5mm round flakes suited to the goldfish aquarium; Feed lightly 1-3 times daily, only as much as your fish can consume within a couple minutes.