have a reef tank 180cm*65cm*60CM ... means its 702 litters or 185 gallons , if i include the sump its 230 gallons .i think my circulation is a a litlle low and i wan to buy a stronger return pump ( sump to display ) .
http://www.charterhouse-aquatics.co.uk/ ... -3702.html
its 8000L/H and my display to sump pipe is 2inchs ( 5cm ) wide , so is this too much , do i need to get the 6000L/H one or this one is fine . ???