Would two of these be enough for a 40 gallon long tank?

[cherubfish pair]

Would two of these be enough for a 40 gallon long tank?

Here's the link:

http://www.drsfostersmith.com/product/prod_display.cfm?pcatid=3827

http://a1272.g.akamai.net/7/1272/1121/20061029211516/www.drsfostersmith.com/images/Categoryimages/larger/lg_18793_26716_lighting.jpg

[kau_cinta_ku]

oh yeah they will be plenty, they are the 150 watts right?

[cherubfish pair]

Yes, 150.

[cs reef]

I agree. 300 watts should be fine. Don't know what type of corals you plan to have. I had a 40 long with 216 watts of t5s over it and my zoos, mushrooms, and other soft corals were fine.