Which bulb should I keep?

sueandherzoo

Active Member
I could use some feedback on this, please: One of my Christmas gifts was a new light fixture -- a Glo T5 HO 36" (for a 46 gallon bowfront horse tank) and three bulbs, two of which I'll keep for the fixture and one I'll return. Obviously I want to keep the blue actnic one, but which other bulb should I put with it: an 18,000 Super Bright or a 6700 Full Spectrum?
Is one "better" than the other for a horse tank, or is it a matter of personal preference and aesthetics? This tank will only have seahorses, maybe a calm fish or two, and if you think it's safe, I may try a few corals in the future. I also have a yellow gorg in there but since it's non-photo it doesn't care which bulb I keep. Opinions?
 
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