Clown Fish have Ich how do I treat properly?

[SleepyPirate]

I have two clown fish one fish started to show symptoms of ich what I beleve it is anyways, it has white spots it started with few but now there is more as well I noticed the fish starting to fade in color. I have two pictures from over a week ago and a few more of him now. Can anyone help me out on treating it and properly identifying what is it.