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Old 11-14-2010, 05:27 PM   #1 (permalink)
tucsonplumeriaz
 
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Default Compact fluorescent lights

i am just getting into artificial light with them. i have poked around on the internet to get the skinny but originally i came away confused.

i heard ppl say that "warm" light is for blooming and "blue" light is for vegetative growth. i have seen 2700K recommended for blooming and 5000K or 6500K for vegetative growth. all of this made no sense to me w/o references.

i looked up the a photosynthesis spectrum to get an idea of what plants want. then, i looked up some info on the spectrum for the 2700K, 5000K and 6500K flo lights on the GE homepage. Learn About Light: Spectral Power Distribution Curves: GE Commercial Lighting Products i attached two images showing comparisons of SP65 to SP50 and SP50 to SP27. now it make more sense.

it looks like the 5000K and 6500K lights can help somewhat with blooming and would be the best light to get if you could only have one.

anyone out there using CFL lights?
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File Type: jpg spectra-1.jpg (76.1 KB, 10 views)
File Type: jpg spectra-2.jpg (73.3 KB, 3 views)
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