The Planted Tank Forum - View Single Post - Discussing Life Expectancy of LED Fixtures
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post #2 of (permalink) Old 05-19-2010, 09:19 PM
Planted Tank Guru
Join Date: Dec 2005
Location: Sacramento, CA
Posts: 21,015
My LED fixture has been in continuous use for about 11 months now, with no visible change in output. One would have to do periodic PAR measurements to know for sure if they deteriorate, and I haven't done that. I have never believed that they will last as long as the advertising hype would have you believe, but it will take several years before we will know for sure.

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