i have a 110 gallon sw tank. i have a 20 gallon sump with wet/dry magnum filtration, filters 400gal/hr. i also hv a powerhead with 1000 max gph. Do I need to add any other kind of filtration system to maintain this tank? I have a scopas tang 3 1/2in, rock beauty angel 3in, df puffer 4in, red...