On the qt tank you need to test parameters almost daily and do a water change if nessessary for the first week or two. The dt I would think you can do them less frequently since there is no fish in there to build waste.
Feed your Filtration
Give it to Porc Chop he'll eat anything!!!!!
"This is my tank and these other fish just live in it"
^ Quoted from Porc Chop^