RCE is approved for use in fish feed in agriculture industry in most fish producing countries. It is widely used in coloring red fish and spotted fish. Only feed lightly for months. your fish will look maroonish pink.
Commonly colored fishes are as below:
Discus, Flower Horn, Parrot fish, Goldfish, etc
Beef Heart/Sea Food Mix: Add 2 grams of RCE per 1 kilogram of mix. keep the mix refrigerated and feed for 5 days. For best result , avoid adding any other ingredient which contained color enhancing carotenoid in them such as praprika, natural rose, carot, krill, shrimp etc.
Pellets – Mix 2 grams of RCE in 20ml of water and spray the solution on 400 grams of pellet food let dry, or dry in oven at 200 degree oF. Feed for 5 days. For best result, make sure pellets do not contain any ingredients contained color enhancing carotenoid such as praprika, natural rose, carot, krill, shrimp etc.