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Old 01-21-2005, 01:52 PM   #1
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PC bulb life

I keep hearing six months for the life of lights... and then other conflicting stories....

My question is how long do you go between bulb changes for PC's ?
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Old 01-21-2005, 02:00 PM   #2
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9mo. is the norm. You may be able to strech it out to 12.
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Old 01-21-2005, 02:20 PM   #3
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Thanks lando.
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Old 01-21-2005, 02:26 PM   #4
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anything near 12 months is pushing it.
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Old 01-21-2005, 07:24 PM   #5
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I also favor the 9month timeframe for PC's. For VHO's I go 12 months. Something to consiter when trying to decide on what type to buy.
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Old 01-22-2005, 03:16 AM   #6
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9 months. Afer that the light output falls off real fast and the CRI (color rendition index) is all screwed up and a spectrum change starts in the bulb.
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Old 01-22-2005, 10:31 AM   #7
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What I find so amazing is that all us salty people know there is a limit to PC bulb life but every time I post the 9 month life limit of PC bulbs on the FW forums I get shot down that I dont know what I am talking about and you can run them till they burn out.
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Old 01-22-2005, 01:36 PM   #8
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LOL..... we're so smart...
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Old 01-22-2005, 11:04 PM   #9
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LOL..... we're so smart...
LMAO is that it or is it that we like spending money on our tanks
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Old 01-23-2005, 03:16 PM   #10
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I can tell you there is a noticable different in my PC lights from month 1 to month 9. If I can notice the difference then that means the corals have been noticing the difference for quite a while longer.
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