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? asked in Home & GardenOther - Home & Garden · 8 years ago

What is the yellow discoloration on the base of my CFL bulbs?

I've been using these CFL bulbs for a while. They have a 2700K "soft white" color temperature. What is the yellow discoloration on the base of the bulb facing the tube, and where is it from?

1 Answer

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  • Red E3
    Lv 6
    8 years ago
    Favorite Answer

    heat

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