I have a 60g (48" long, 24" deep, 13" wide) It currently has Frogspawn, Xena, Duncans, Disk, Acan, Favia, Birdnest, metallic trumpet, candycane, two Zoa colonies, and mushrooms. All are doing very well under a twin T5 fixture. (they are all centered on the light and deepest is placed at 14")...