Quote:
Originally Posted by Sharkbait-huhaha
I've been told blue tangs are known for getting ich, even in pristine water conditions. They tend to come and go and not much you can do about it.
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This simply isn't true. There are many things you can do about it. You may not like doing it, but you can 100% eliminate ich from your display tank.
You will of course have to leave the tank fishless for 72 days but during that time you can treat your fish for ich and then observe them in an isolated environment to make sure it truly is eliminated.
The most popular ways to treat them are with copper, using the tank transfer method or hyposalinity (not really recommended anymore). Personally I prefer to treat tangs that have ich with copper, seachem cupramine to be exact, but tank transfer method might be easier for you to do assuming you don't have too many fish and can get 2 extra sets of tanks heaters ect.