Professional Manufacturer SINOWELL 630 watt cmh grow light, You can get more details about from mobile site on m.alibaba.comm.alibaba.com
Looks like two 315s.
Appreciate the input
I guess a double ended cmh beats two 315s. Its true what you say about the philips lightbulb and such
Thanks mimed. Never used this tech but I am curious. Ever gotten around to do a par reading of your setup? Or is that too geeky?
Great paper, interesting to read, especially when its signed Bruce Bugbee
Yes. Indeed. There is still debate whether uv led is efficient and thats where I thought cmh could fill in