I'm trying to go simple/old school with my new tank. Sump, fuge and lights. I don't plan to run a skimmer, ATO, reactors, the only gadget I added was a RKL for the timers and temp control. My last tank was nice but it was more on the "high tech" side, it had sump, skimmer, biopellet reactor, RKL, mp40/mp10, AI leds, kalk reactor and ATO.