I just got a powder brown tang. Very healthy looking(thick good fins, ect) After 2 days in my tank got ick pretty bad. It was breathing heavy and I was sure it was doomed. It also hadnt started eating in my tank yet. I added garlic to its food and still nothing. The next day most of the ick was gone and today it is all gone and the tang has started eating. Does ick usually go away so quick(2 days) on its own or is the fish healthy enough that it has fIght it off. Breathing is back to normal. I have read that ick will disappear then reappear much worse. what do you all suggest?