Quote:
Originally Posted by michika
Correct me if I'm wrong, but I believe you used to get better growth out of yellower bulbs, but would get better colour under bluer ones, but with less growth. Last I looked into the subject many reefers were starting to experiment with reds (if using LEDs). Granted its been awhile, but you may want to target your search towards people doing colour spectrum research, or experiments.
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Yup you are right. A 7600K / 10,000K halide bulb would produce the most growth, but lack in color (however corals would most likely color up after adjusting to your DT lighting). He did ask about the best growth.
Higher Temps produce more color, but slower growth. IMO on a frag tank I would go with 2 X 250W Halides with 10-14K bulbs, or the 48 LED kit from Rapid LED or Modular LED like Steve suggested.
Oh yeah... and Sonotubes would be the most useless thing ever on a frag tank. Most DT's with sonotubes require supplimental lighting if not full lighting setups.