dunit
Active Member
Well that's kinda the kicker...does it? LED's tend to have a very narrow spectrum and the two versions of Phytochrome count on the balance between red and far-red. The far-red dips into the UV spectrum which is why some panels include UV to stop stretch in flowering. If an LED panel only had red but not high enough to hit the low end of UV it wouldn't actually stop stretch. I've seen lots of LED grows where the plants look really leggy and I suspect that could have something to do with it. I ran Procyons years ago and they vegged awesome but in flower got unreal stretch and they didn't have far-red/UV spectrum.fromwikipedia Phytochrome is a photoreceptor, a pigment that plants use to detect light. It is sensitive to light in the red and far-red region of the visible spectrum. led already covers that bro
Yeah I know it's getting a bit technical but I spent probably close to a hundred hours researching LED's before I bought and it's those little things that I think make the difference between a panel that grows some bud and a panel that grows LOTS of bud