LED information thread

im making this thread for any and all L.E.D. info, as i think it would be helpfull to a bunch of us starting some led grows...

anyway ive been looking for cheap led strips so that u dont have to do so much soldering and came up with these:
http://www.superbrightleds.com/cgi-b...i?product=BARS
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12 8k mcd red leds in strip 15.95(runs on 12v)
12 6.5k mcd blue in strip 19.95(runs on 12v)

http://www.superbrightleds.com/cgi-b...?product=OTHER
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36 red 7k mcd leds on pcb(runs on 12v) $10

sorry but i dn the kelvin of any of these, heres a pic for best kelvin for plant growth: http://forum.grasscity.com/attachmen...chmentid=32373

ill add any info that u guys add to this thread so its all organized