How often to change lights

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allaboutfish

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Jul 12, 2011
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memphis, tn
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johnathon dunn
When do I need to change the lights on my tanks? I have t8s, t5ho, and cfls.

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TL1000RSquid

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Apr 6, 2011
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NY
T5HO, T8's should be replaced every 12 months on planted tanks, no plants you can keep them longer. Not sure about CFL's.
 
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