Soooooooo, this company has some very interesting things to say about how different light spectrums work. Claims that different intensity of reds and blues, bring out different yeilds and quality buds. Check it out and let me know what you guys think. They even did tests on marijuana, not vegetables, like most companies test on. Here's the link to the site, read the articles. Interesting stuff. LED Grow Lights, Indoor LED Horticulture Lighting Systems