@ora said in Red light vs infrared incandescent:
If it’s day time you need blue light,
Ray Peat on blue light:
"Full spectrum does stimulate, for example the ultraviolet stimulates your production of vitamin D, but ultraviolet and blue light are both toxic, for example to the retina. Blue light is destructive to the retina and one of the main things that causes blue light and ultraviolet light to be toxic are the polyunsaturated fatty acids, because they react with high energy radiation."