Can anyone tell me if this idea is ok...
I want to set up a QT/hospital tank.
My display tank is a 35L nano, with 7.5k liverock and a small internal filter. I intend getting a second identical small filter which is kept in the main tank most of the time for supplementary filtration and waterflow. Then, when I want to use the QT/hospital tank (which will be a 25L tank), I'll remove the 2nd filter from my main tank (it will have been in there for 2-4 weeks) and put it in the QT. I won't bother with sand or lights, but I'll put a couple of pipes in there for shelter etc., and I'll put a lid on it (and a heater of course).
Does all this sound ok?
What I'd then like to know is, if I treat my QT with Copper or other meds, can I dispose of the filter media in the filter, rinse it with
RO water, and then just put it back in the main tank with new media in it? How do I fully get rid of the copper in the filter plastic so that it won't harm my display tank when it's put back in?
Thanks for any help.