I purchased a hippo tang yesterday who was doing well originally. However, today I noticed some white spots (clearly not sand) on the side of the tang. The tang is still eating algae off my live rock, flake food w/ garlic, and mysis shrimp. I have read that attempting to catch hippo tangs to treat them for ich does more harm than good, I was wondering if other members have experience with treating hippo tangs. My ammonia is at zero, my nitrates are at zero, my salinity is 1.024, tank size: 75 gallon mixed reef. I did a slight water change today, however, I do water changes once every two weeks, and have never had a fish with ich before today. I am curious as to what members would recommend for treatment.