So here's my question...I'm currently setting up my 80g to move most of my fish from my 20g over too and I was thinking that if I just leave the zebra danios and the plecos and maybe get a dwarf gourami I can use this tank as my hospital/QT tank for my 80. This tank is still in my living room so I want to keep some fish in it. Or is this a cruel thing to do, have a tank with fish in it that I add sick fish to and medicate? Is it OK to use it for a normal tank, QT tank AND a hospital tank too?? Or should I just buy a cheap 10g???