Remove the Live rock, the copper will kill anything living on it, and you won't ever be able to put it in your display tank. Get a couple PVC
pieces for hiding.
No substrate is right, it will absorb the copper.
Filter wise, don't put any carbon in it, the carbon will absorb the copper as well. Remember anything you use in there such as your heater, filter, powerhead, should never be placed back into a display tank that may house inverts.
Also, how many fish do you plan on QT
'ing at one time? a 10g tank *may* be too small.