definately finish adding your rock and then re-cycle before adding corals.
corals are expensive, and of course, alive. you wouldn't wanna go buy a bunch and then watch them all die
your lighting: you only have enough light to succesfully grow softies right now, but you have the wrong combination. you'll want either more of the same lighting (wattage) for Stonies, or go with what you got (wattage) but add a little more blue to the mix for softies, try for 50/50 - 10K/actinic blue.
your question: what corals to get for a new tank with 12.5ppm nitrate? Jakarta Xenia. it's hardy, interesting to watch, and it eats those nitrates like the diet starts tomorrow
