What is the best 20K DE bulb for SPS reef tank

[whatcaneyedo]

Have you compared the values on Sanjay's site? http://www.manhattanreefs.com/lighting

[Aquattro]

What issue are you having? I ran 2 x 400w 10k over a 75g for years, never an issue with too much light..

[sphelps]

Have you tried phoenix 14Ks yet?

[RuGlu6]

Originally Posted by whatcaneyedo

Have you compared the values on Sanjay's site? http://www.manhattanreefs.com/lighting

Thx for that, i did go there however it does not give me exactly what i need in terms of coral reaction/growth as well as visual appearance/color only plots. Also he doesn't have my ballasts.

[sphelps]

Might be best to change the ballasts for 150W versions instead, might even be able to find someone that will trade you straight up. Might be a better alternative since you may not find a huge difference from switching 14K to 20K on the halides and vise-versa on the T5s.

[Proteus]

I used geissmenn and aquamedic. Both were great. But prefered the geissmenn

[tang daddy]

Xm 20k are blue aswell for the single ended, I am not sure if they come in double ended.... It's been so long since using mh I forgot... You may wanna call OA because they have a sale on bulbs ATM and I know they have some nice bluer double ended bulbs....

Good luck!

[dreef]

Yes xm 20k's do come in DE, that's what i run.

[RuGlu6]

Thx guys.