Thread: How do you know if it's time to replace a UV lamp?
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Old 10-29-2009, 04:12 PM
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Yeah manufacturers will likely state longer bulb life just like 12 months for Halides and 18 months for T5s which isn't the case if you want to keep your par levels up.
Last edited by sphelps; 10-29-2009 at 04:36 PM.
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