Poor electricity can shorten their lifespan too, and my ups gives enough bad power warnings in Chestermere that I'd bet it has an impact.
I just tried a dimmable one today (put in new pot light bulbs and got one cfl to try before converting all of them) and while it looks identical full, the colour gets very cool when dimmed.
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Uncertainty is an uncomfortable position.
But certainty is an absurd one.
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