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Quality of current made F40T12 Philips Altos
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Topic: Quality of current made F40T12 Philips Altos (Read 725 times)
Lightingguy1994
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Quality of current made F40T12 Philips Altos
« on: December 27, 2022, 03:35:55 PM »
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Lightingguy1994
Still need some softwhite lamps, how are they these days? Still have enough mercury and don't start pathetically dim? The lamps from a couple years ago like 2018 work perfect.
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Lcubed3
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MAXIMUM LUMENS!!!
Re: Quality of current made F40T12 Philips Altos
« Reply #1 on: January 02, 2023, 11:37:14 PM »
Author:
Lcubed3
The new ones are fine, but once you use them for a few thousand hours the phosphor starts to suck up enough mercury to make a noticeable warm up time.
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