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Old 12/22/2007, 11:04 AM   #1
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Psychojam's Avatar
Join Date: Jun 2006
Location: Central Ohio
Posts: 153
Changing Bulbs

My BioCube 14 has been running for 8 months. Is it time to change out the PC bulbs? If not, when should I do this?



BioCube 14

Current Tank Info: BC 14: Currently being re-constructed
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Old 12/22/2007, 05:39 PM   #2
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Location: Huntington Beach, CA
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good question, i'm wondering this as well for my oceanic!!

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Old 12/22/2007, 05:59 PM   #3
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Join Date: Oct 1999
Location: Sarasota, Florida
Posts: 30,279
Recommendations are anywhere from 8 to 24 months before replacing CFL lamps.If you start developing nuisance algae and parameters check out Ok , if the bulbs are old they're probably past their prime. You probably won't notice the color shift as the bulbs age because it's so gradual.

I swap out my Coralife PC bulbs once a year. Every time I do it I'm amazed at how much the color of the old bulbs has shifted to a brown/yellow.

BTW, I save the old bulbs just in case one of the new bulbs fails. Better a crappy bulb than no bulb at all.

Less technology , more biology .

Current Tank Info: 30 gallon half cube and 5.5, both reef tanks
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