Thread: Been a long time sence we had a lighting fact thread
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Old 12-18-2002, 12:56 PM
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Location: Kamloops BC
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I also think it will be hard to notice the loss of colour or par, in a bulb as it ages. The best test, seems to be a new bulb beside one of the older ones.

I run a lower "K" 400, in between my pair of Radiums.
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