Thanks PhotoJohna nd Reefbaby...I am looking at around a 600gph overflow feeding my
sump and guestimating at around 5-6 ft of head loss when its all said and done, so using the calculations at reefcentral, I'd be getting around 600-650gph on either the Mag or the QU...I heard the older Quiet Ones were really nice and their new redesign isn't that good. I think I'll be safe and go with the Mag since I heard pretty good stuff on those. I've been eyeing Craigslist for used ones and was about 30 minutes too late calling on a used Mag 9.5 for $40
