well I have had the tank for a week now. It is a 27 gal marineland (20x18x20) with a 10 gal sump, quite one 2200 return pump, reef devil skimmer, diy silent overflow,2 aquaclear 20 powerheads, 200 w marineland heater, redsea wave maker,2 oddysee light for 8 18w tubes of t5,and marineland...