light quality

hey guys!! New to growing, VERY NEW to LED. I’ve used LEDs on my past grow (I killed it) and so far on the one I’m doing now, but I don’t understand electrics or basically how they work. My buddy is an electrician so I’ll have him explain the science stuff but what I need from y’all is some...

I have a 2x2x4 grow box I built out of OSB. Painted the interior flat white because I didn’t want to mess with Mylar or foil or anything like that. I have 2 shop lights (65w) hanging about 4-5 inches above my plant. One has a 9w 5000k bulb and the other has a medium sized grow bulb I got from...

There seems to be a lot of confusion in here about what the actual truth is, with regards to the importance of spectrum as I have stated numerous times light quantity and light quality go hand in hand. Plenty disagree citing science journals, me personally I like to deal with real world facts I...