Please help !! any expert…. I have a 500 gallon tank alot of my fish white spots not sure if its ich or velvet. I had a couple of lost last one i lost was like a week ago, but no more lost …lost in total like 5 fishes in a period of like a 1 month but still alot of fish with white spots not sure if it ICH or VELVET !!! If is ich ill manage but if its velvet i need to know .. ..ill attach pictures please let me know guys