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					Originally Posted by fishoholic  Hummmmm good point about the nudi. 
 The flatworms are all over the glass and sand too but I guess while the rock and coral are in a bucket with flat worm exit I can clean out the whole tank then put in new clean sand and new saltwater.....hummmm not sure how good that would be either though.....
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 You could put the old saltwater through a 100 micron felt filter sock, and put it back in the tank when you're done.  New sand isn't a bad idea.