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Old 05-13-2012, 12:17 AM   #11
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Old 05-13-2012, 08:33 AM   #12
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Photosynthetically active radiation, often abbreviated PAR, designates the spectral range (wave band) of solar radiation from 400 to 700 nanometers that photosynthetic organisms are able to use in the process of photosynthesis
In layman terms it's the amount of light in a given area the more PAR the better Yes taotronics makes a dimmable model i cant find the link to them sorry

Carey is the Queen of links perhaps she can help
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Old 05-13-2012, 11:01 AM   #13
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Ok thanks and one more question what is pur?
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Old 05-13-2012, 11:07 AM   #14
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http://www.aliexpress.com/product-gs...olesalers.html


What about this one, is it a good one
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Old 05-13-2012, 11:29 AM   #15
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Yes those are the ones i'm goin to use for my next build They under drive the leds so in theory they will last even longer.

PUR stands for Photosynthetically Useable Radiation. PUR differs from PAR because the basic definition of PAR is any light in a specific frequency range. PUR is the usable portion of PAR
these are same for a few dollars less
http://www.aliexpress.com/product-gs...olesalers.html
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