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					Originally Posted by  daniella3d
					 
				 
				Well he's in the display for 2 days and no sign of ich yet. I don't know how long I should wait until I know for sure ich is gone?  I could not do longer hypo treatment because I am returning to work and won't have time to monitor all this. 
  
prazi might be more important one some fish but if a fish is dying of ich, prazi won't do any good. 
			
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 I suppose you have to wait forever...?  

  With fish like Hippos I really don't think you're ever totally safe unless it's a FOWLR and you hypo the whole tank, and never add another thing to the tank.
I have never had a saltwater fish die from Ich, but I have had several die from worms.  I dissect all dead fish.  Sometimes I can tell what happened, sometimes I can't.  A kid's microscope comes in handy.
EDIT:  I don't think you actually said what kind of fish you were quarantining...?