I am about to set up a new nano, my first, in a few weeks. I have already planned what I would like in it. But I was unsure on a few things. First of all is there any clams that I might be able to keep? The stock lamps are dual actinic both 460nm and 420nm blue. The other is 6,700k and 10,000k white light. Also LED. Can I keep any hard corals? Any advice is appreciated alot. Thank you.