Okay, I finally have a display tank with a plumbed sump, so it's time to get serious about figuring out what fishies are going to live there. It's a 75 w/ 29 g sump/fuge; I'll have ~120 lbs LR, chaeto in the fuge, 4" DSB. Euroreef ES5-3 skimmer. FOWLR for right now, moving into some corals (PC...