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#1
12-07-2011, 08:59 PM
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LED Specs..
I'm looking at a LED light that have the specs. below.. I know 6500k was good for fresh water plants but corals?? this light touts "vigorous coral growth" Being a complete newb on LED lights I'm looking for people that know to chime in on this.
This is what the light says for specs... Features massive 6500k daylight white and 430-460 nm Lunar Blue 2w LEDs Last edited by jorjef; 12-07-2011 at 09:10 PM. 
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#3
12-07-2011, 09:23 PM
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The difference with an LED 6500 bulb and a noramal T5/MH bulb is that an LED 6500 is peaked very much in that range, with very little spread into other spectrums. A regular 6500 bulb will cover all spectrum's around that area, including lots of red, which is great for algae growth. Cree spec sheets show the spectrum of the bulbs, they're very close to what our corals need, without too much wasted(except for lots of yellow). The blue's are peaked at the high absorbent range of most corals, so it helps out a lot in growth.
Here's some sites: RC thread on coral spectrum - http://www.reefcentral.com/forums/sh....php?t=1496092 Cree XP-G sheet - http://www.cree.com/products/pdf/xlampxp-g.pdf Sanja;ys lighting guide(to compare a 6500 MH bulb if you want) - http://www.manhattanreefs.com/lighting
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My 150 In Wall Build Last edited by Lampshade; 12-07-2011 at 09:30 PM.
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