Which metal halide bulb do you use?

[hahnmeister]

pheonix 14,000Ks @ 250watts, hamilton 14,000Ks @ 400watts, EVC 20,000Ks @ 250watts.

 

[sales weasel]

I have a couple of the Reefmax 175w 10,000k bulbs. I haven't used them yet but I've heard good things. For $32 each, I can't complain

http://www.reefmax.com/knowlet/know...tknowletID=3717&CFID=4676718&CFTOKEN=73984141

He also sells them on ebay.