Life span of MH bulbs

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Sam

Aquarium Advice Freak
Joined
Aug 6, 2003
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:?: Can anyone advise on the usual lifespan of these bulbs assuming a burn rate of 8 hrs/day?

Also curious on which brand(s) folks prefer and success, frustrations with them. Referring to standard Mogul base bulbs.

Thanks
 
Changing them once every 10-12 months is sufficient.

I like the Coral Vue bulbs. I am running a 14K from them. Gives a good light blue hue to the tank when run by itself.
 
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