I know ich and it is not that. I lost 20 cichlids in my 150 gallon tank with sump and gravel filtration. It was stocked with electric blue, a variety of peacocks, and red empress which were over a year old that I had raised together since they were 1″ fry. One day I noticed a white spot on the eye of a female red empress. It grew larger the next day, so I checked with the LFS and they gave me Amoxicillin for Popeye. I gave four treatments every other day over seven days. The eye cleared up at the end of treatment, but most of my cichlids developed a very fine white sheen over parts of the body, mostly on the side of the body and some had it around the head also. Ph was 8.0, Ammonia was .5 … …and the fish were hanging at the top of the tank and had a ve