That set up would work fine.
As Dagda said you can put the filter material in the sump of your main tank to keep it live-as long as the q-tank hasnt been medicated-if so then just replace the filter medium with new and run it in your sump to keep it live. Dont put live rock in it because chances are you will be medicating the tank at some time.
Use water from your main tank to fill it (from a water change)
Debbie
As Dagda said you can put the filter material in the sump of your main tank to keep it live-as long as the q-tank hasnt been medicated-if so then just replace the filter medium with new and run it in your sump to keep it live. Dont put live rock in it because chances are you will be medicating the tank at some time.
Use water from your main tank to fill it (from a water change)
Debbie