Oops I meant 10-15 nitrates 0 nitrites. Sorry about that it was late when I replied last night lol. Yeah I acclimated the tank by starting the metal halide about 14 inches above the tank, then I slowly lowered it about an inch a week. I had 96 watt PC's over the tank before, so I didn't think it would be a dramatic differance. The tank has been set up for about 6 months. Now that I really think about it, none of my soft corals, other than mushrooms and zoas have a very good growth rate. People put 250 watt sunpods over nanoreef aquariums, So I was under the impression this wasn't alot of light in terms of PAR for metal halides. Should I move the coral into a shaded spot and see how it does? Also wondering should I be feeding the tank phyto or zooplankton? This is my first smaller tank and I'm wondering why there has been barely any growth during the time it's been set up.