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Re: [APD] ligting (LED:s)

i meant wasted energy, they run very cool. i read an article about 
energy usage and how most everything will be led sooner or later.
sorry... like i said i figure they arent useful for us yet, but they 
will be...
hmmm are you the guy from APC? i swear he did an experiment and found 
they grew plants great on very little energy.

Daniel Larsson wrote:

>I've calculated the PUR-efficiency for a couple of Luxeon stars,
>which takes lumens/watt into consideration as well as how well
>they trigger photosynthesis/spectral distribution, and they're not
>that good - almost as bad as ordinary halogenbulbs:
>// Daniel.
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>Aquatic-Plants at actwin_com
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