uvb

  1. linusbert

    Cheap UV/UVB Lamp For "Natural" Vitamin D Production

    i read over this, https://forums.phoenixrising.me/threads/red-and-near-infrared-light-therapy-leds.79181/page-11#post-2409032 and i wanted to share what i do because a 500$ medical UV lamp was suggested but not everyone can afford it. (I AM NO DOC, THIS I NO MEDICAL ADVICE, UV LAMPS ARE...