I know what you're saying. But in my own tests I've done in vegging, my Philips 2700k LED Bulbs 11w(2 of them) had the same growth as 2 CFL 13W 6500k bulbs, and the Philips plants looked healthier. Granted I think the philips I'm using leak more blue than the usual 2700k, but surely the 6500k...