blue regal tang changing colors?

[acrowe]

i have a blue regal and it got ick really bad i treated it and now it is healthy, but it has lost it's light blue color and almost completely black. does anybody know what is wrong and if it can be treated.

[TerryB]

Is the fish still in treatment? What did you use? What is the pH and ammonia reading? You have to provide the information for others to base an opinion on. No info= No response.

Terry B