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Old 01/09/2008, 02:57 PM
seapug seapug is offline
clams are your friends.
 
Join Date: Dec 2006
Location: 4980 ft.
Posts: 1,836
Many LFS keep their fish in a separate system from the corals and inverts so they can medicate when needed. When you don't see any crabs or shrimp in the same system as the fish there's a high likelihood it's medicated with copper. I always ask if the system has been treated before taking a new fish home so I can be extra careful not to introduce medicated LFS water to my tank when acclimating.