I was just at Quick Grow hydroponics store over the weekend and they showed me these bulbs. They carry both a daylight and a very blue bulb. I did not get an opportunity to see the graphed spectral dist. of the two bulbs but they sure pushed out alot of light. Try e-mailing them at
info@quickgrow.com or call them 1-877-426-4769 for more info.
BTW he had them on sale for $99.00.
I hope this helps