Ok this is what I have for the tank 2 250w metal halide lights with 10k bulbs and 2 actinics lights also that's it for lighting. Now for the sump I have a nac 6 protein skimmer I am going to put a refugium in there also charcoal and phosphates and a sock filter, artic 1\3 chiller and 1 150w heater and another 250w heater the sump is going to be my old 75 gallon tank.is there anything I am missing, by the way this is going to be a reef tank.