dankerous
Active Member
Not true at all,my unit is full spectrum,does 2 kinds of uv,look at the photos,and there is lots of almost invisible diodes that only just show up in the pic,between the brighter ones,they are the infa red/uv diodes.
I've never heard flowering only but I've never heard any reason to use it except when buds are there. It is supposed to stimulate resin production. From what I've read, although they have a UVB LED or two, most LED lights put off very little UV (enough for some to say it's a waste of diodes that could be used for productive light to have them there). I don't think most LEDs put off any significant amount of UV (definitely less than the sun, which throws UV on plants all through veg so I don't see how it could be too harmful unless you used too much).