Okay I have another question. My first tank that I got I bought from someone else. They only had a few pieces of live rock in the tank, but I found out later that they had treated the tank with copper based medications to treat ick. Does this stay in the tank? Does it stay in the live rock? I've had the tank up for a year with carbon in my filters will this take care of the copper or not? The reason behind my question is I wanted to move my live rock over to my new tank if at all possible, but I plan to have anemones and invert. in that tank. So does anyone know if that rock is okay to move or is that a no no. Thanks taran