frag tank

ok, picked up a little 24x24 x 12 inch frag tank and a 2x4 stand.

going to use it as a frag tank / quarantine tank.  Going to use it to put ALL of my corals while I am moving live rock and live sand into the new 300, hopefully this week.

I have never set up a frag tank, so wondering what advice everyone had.

I put a small 1.5 inch bed of sand, built a pvc rack with egg crate over it for sitting the corals on.  have a sump of a big round tub from WalMart.  no rock nothing else done yet.  Putting some water from my 90 gallon so it has some bacteria in it.

Questions I have, should i put rock in the sump?  what should I do to get it cycled and ready to hold corals for a few days while everything is getting moved and ready for htem?

Any suggestions of how to set it  up would be welcome.