How to make a quarantine tank/hospital tank
What I've read and been told is to have no carbon in the filter as it will absorb anything you treat with. I've also been told the same with a sand bed and live rock. If you don't have any sand or live rock, how do you have a biological filter to handle ammonia and nitrites?
I have a 20 gallon that I've tried to use as a hospital/quarantine but haven't had any luck.
Any suggestions? Do I need a uv filter and skimmer like my big tank?
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