10 gallon nano reef build

[Wayne]

Originally Posted by Beanz

A question I have for u guys is do u think I'll need a chiller with this light. I have never used MH's before only T5s on my 45. I was planning on having the light high enough to cover the whole tank with light so would this not cause the tank to heat up a lot???

You may very well have problems with evaporation running metal halides. I would employ some sort of chiller if you can't position the light far enough away from the water for desired temp. I can only assume that if you want metal halides you are planning on a reef setup?