Hey guys and girls i am settign up my 150 48x2x31 duel overflows need to know how to build a good sump and what i should use for a sump size wise i have a blueline pump 30hdx 1100 gph but i think i need a little more *** behind that the pump hooked up will only spitt out 400 gph what do i need to do please help me !!!!!!!!! in southhaven built the stand abnd now ready to fill