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02/23/2009, 09:39 AM
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Registered Member
Join Date: Mar 2008
Location: Lewis Center, OH
Posts: 477
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XM 20k bulb life question
I was watching reefvideos.com and carl's tank uses 400w XM 250k bulbs. These bulbs are expensive and was wondering if anyone else is using these bulbs for 18 months before changing them out like he is? Or is he just weird?
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