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perpetual white spot problem

2414 Views 4 Replies 2 Participants Last post by  Toadfish
Ever since I set up my tank 2 years ago I have been battling a perpetual white spot problem with my fish. I am reluctant to call it ich b/c it may not be c. irritans(I have gone as far as to remove the fish for 1 month). Every morning I wake up, my fish have white spots on their fins primairily. Then 3 hours later the spots are gone. I run a 9w UV sterlizer in my sump. Water parameters are perfect. I don't understand why I cannot fix this problem. Should my UV be in the main system rather than the sump? Even if I take the fish out and medicate them it will return when I place them back into the tank. Plus taking them out would mean disturbing my entire system. Any advice would be greatly appreciated.
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It's a full blown reef system. 3-8 spots per fish daily. Only a few fish get it, my7 Sargassum, Atlantic Blue, and 1 or 2 spots on my hippo's. The Atlantic blue seems to be perpetuating it because he always has the most number of spots. It seems as though it has leveled off meaning that it isn't increasing in numbers. Should I place my UV in the main system rather than the sump?
That was my gut feeling. Thanks for helping solidify my decision.
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