Equipment running in the tank is: Quiet One 5000 main pump, CPR SR 4 skimmer with a Rio 1700 pump, one JBJ 2500 powerhead, one unkown (smaller) powerhead, coralife light (9W, 10K) 3.5 inches over the sump-based refugium on 24/7, and a 400W, 10K metal halide and two 40W flo actinics in a hood...