unknown diease

After an outbreak of Ich in my display tank, I took all the livestock out, treated them with copper, bleached the tank and restarted. Two weeks ago I added back the only remaining fish I had left. I observed them in a non-medicated tank after to ensure they were disease-free. Last week I...

I noticed around a week ago that my Scopas Tang had these small whites dots on his body. I have no clue what they are, I ruled out Velvet and Ich due to the fact that the dots haven’t spread to other parts of his body. I think it might be some sort of bacterial infection possibly. But i’m still...