I need a low temp (I think that's the term) flourescent bulb for my tank hood. It isn't planted, so I want something that isn't going to encourage algae growth. I've heard that you want a low temp for that, but I'm not sure that's what I need. Can anyone reccommend a brand? Looking on Petsmart.com there aren't really any that list their temps. I did try an incandescent hood but I didn't like the color and my fish stayed away from the top because it made the water really warm.