If you are doing the copper treatment you have to remove the fish and quarantine them in a separate tank. The copper will leach into the rock and continue to kill the inverts long after the treatment is done. Yes you penguin bio wheel will work fine. Just remove the carbon filter, it will absorb the copper rending it weak.
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I believe Reefkeeping is not a hobby but a way of life It's unfortunate mine is at a stand still!
Building a 135 reef 9 years in the making(seem like I'll never get this 1 together! Too Busy with the Nano and Pico tanks
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