Quote Originally Posted by oldmac
I am very impressed with the SunPulse bulbs that are rated in K temp terms. They make 4 flavors; 3k, 4k, 6.5k & 10k. The 3k is great for flowering but the 10k is loaded with UV.


SunPulse's web site talks about 10k bulbs for the last few weeks of flowering ? Don't think I've heard anyone discuss that concept yet?