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 I would love to try one of these treatments but I have way too many softies plus a big portion of my cleanup crew is 1000s of astrena starfish. 
 To be fair my purple polyps have really gone down from the infestation I had a few years ago.   I find LPS will encrust over them, like favia, gonestra and blastomussa even of course this will take many years unless you put some fast growing chalice over them.
 
 I hope one day someone will sell a clove polyp eating nudibranch.  That's my last hope I just deal with having them on a few rocks these days.
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