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Yep if you look at the ocean, where there is red light there is algae. Once you penetrate the ocean deep enough the "red" light is the first that gets filtered out. Hence after a certain depth...no algae's like there is towards the surface. In a tank it means nothing, our tanks are not deep enough to do this... I sorta think the spectrum claims of LED manufacturers admit of a bit of snake oil i'm afraid, rather their claims of perceived benefit...but again LED is relatively new...so time will tell.
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I once had a Big tank...I now have two Huskies and a coyote Last edited by Pan; 02-26-2013 at 10:59 AM. |