I have a 20gal high nano w/ sump that I was gonna sell. Instead I'm thinking I'll make it my quarantine. My question is this. Does a proper fish quarantine have to be medicated? The reason I ask is I am Also considering QT'n all coral from here out also. Basically I want to start the tank as a fish QT, then when my tank is stocked, continue using as a coral QT. If I medicate obviously that is not gonna happen. What are the thoughts here.