I personally wouldn't mess with red as its not a natural colour spectrum for corals.
been having to decide on a MH bulb and what Kelvin to us and this study is rather interesting.
turns out enough red light and you bleach certain coral which is natural when you think about how well red light doesn't penetrates water vs blue.
definitely needs some further studies to find out if it applies to softies and shallow water corals as well. http://www.advancedaquarist.com/2008/12/aafeature1
Interesting article and a good argument against red as a moon light. Thanks!
03-09-2009, 04:38 PM
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