HARRIS,
u have a reef ready tank right and it is 1 180 it has 2 overflows and 2 returns u mean u only have 1 800gph pump in there? running to a T ??? i have a mag 12 in my 75 gall, those overflows can handly 1000 gph, in my 200 RR there will be 2 pumps each one pushing 1050 gph if...