my lfs told me that i should change my lighting two t5s such as the 216 watt nova x, (just as good as 250 watt metal) he says .i have a 90 gallon 18 inces deep. just seeing if anyone out on the reef has Opinions on this
I don't have t5 but I did used to have PC...move on from those for sure depending what it is you want on the tank. ( they look great with nothing in the tank though )
I got some corals from a local reefer with t5 and although I prefer the look of my halides, I thought his tank looked really good and the growth of his SPS was great. The only thing they really seemed to lack was the shimmer you get from Halides.
If you have a low canopy, they'd be a great choice to save you getting a new one and the heat transfer seemed less than with Halides... but I can't back that up.