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  1. TorturedSoul

    Do HPS Bulbs Age When NOT Used?

    I have a 400-watt HPS bulb around here somewhere. It was only used for a relatively short time (I'd estimate less than 200 hours - but certainly less than 400). At that point, I shut down and packed it away. That was several years ago. Can I reasonably expect this bulb to perform as well as it...