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Old 01/09/2008, 03:46 PM   #9
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Join Date: Jul 2006
Location: Columbus, OH
Posts: 331
both my 250's are getting close to being changed. they are reeflux bulbs and are getting close to 10 months old. other than that nothing has changed except adding the additional lighting. is blue actinic lighting a less desireable spectrum for algae?

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