https://nypost.com/2022/12/01/what-the-red-bulb-on-holiday-…

Twetch · December 3, 2022

https://nypost.com/2022/12/01/what-the-red-bulb-on-holiday-lights-is-actually-meant-for/amp/

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Twetch · December 3, 2022

I've known this for a long long time.