Slightly cooler water (74-76ish), lower flow, live food, no fast moving fish to compete, no stinging animals such as coral or anemone, lots of safe hitches such as macro algae. Dont depend on pods
to keep them fed. Feed minimum twice daily and clean leftovers quickly.
Avoid crabs for the clean up except MAYBE small hermits such as blue legs. Snails are always good. A healthy bristle worm population is a must.
Umm... Start with dry base rock unless you can be sure there are no hydroids present. That's all I got off the top of my head. Anyone want to chime in?