Build My LED has some good information out there, but I forget where to find it now. The owner of the company (forget his name also) went as far as doing some long term research using different spectrums over different areas of the same tank. One of his videos can be found on the BRS YouTube page. His results were published several months ago (again, I don't remember where). Helpful I know, lol. I will try to find links.
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