14k or 20k MH lighting?

[Andrew]

Which would be best to keep some SPS/ Clams/ LPS corals under? 14k or 20k? I'm going to use this light due to space issues:

http://www.hellolights.com/aqadhatamo.html

I really like the blue look but 20k Might be way too blue but than again... might not. Which way should I go?

 

[purebullet417]

andrew if you want to keep sps on the bottom of that tank i dont think youll be able to with a 150w if you get a 250w it will o and btw i love 14k bulbs