My 180 houses a lunar wrasse, a spotted hawk, a spotted grouper, a maroon clown, a yellow tang, a PBT, a huma huma, a niger, a blue damsel, a porcupine puffer and a large volitan. The tank has several hundred lbs of LR between the display, sump and refugium. The fuge has a 6" DSB. The skimmer is a MRC MR3R. Since the fuge has been up and running the skimmer produces nearly no skimmate. I don't have to do large water changes and the nitrates stay under 20 ppm. Does my skimmer need to be tweaked? or removed? I just purchased a Blueline 70 HD pump to upgrade the BL 55HD (1750 gph/39' head instead of 1100 and 29'. I bought the large skimmer as I know these guys will need a bigger home sooner or later. Thanks tommy