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Originally Posted by DavidHC
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I have this light and have used it for years now. I use it for seasonal affective disorder. It works well for that. I only use it when days are short, and I only use one cycle on the lowest setting. You can search here on NT and find my posts if you want more details.
It is not UV...it does not have UV wavelength built in. All the lights for SAD will not stimulate vitamin D.
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Weezie looking at petunias 8.25.2017
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