Hey guys. I am setting up my 75 gal tank and wanted to know what the proper gph I should be aiming at to go through my sump. I was thinking two overflow boxes that flow 800 gph each and a return pump that pumps roughly 1200 gph at 5 feet of head and my sump will be a 40 gallon breeder tank. Is this overkill, or you can never get enough water ciruclation? Thanks for any advice and opinions.