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  #11  
Old 01-16-2005, 11:40 PM
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Quote:
Originally Posted by Tarolisol
If you have fans make sure you dont aim them right at the bulb as ive heard it will shorten the life oh the bulb. MH that is.
Why would that have an affect on the life span of the bulb?
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  #12  
Old 01-17-2005, 12:11 AM
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Bulbs need to run at certain temps to put out the correct spectrum. Not sure about affecting life span, but if you've ever touched a MH bulb, you'll be with me in thinking some puny little fan isn't going to do squat for cooling it!! These bulbs run somewhere around 700 degrees, a fan isn't going to cool it off any appreciable amount.
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  #13  
Old 01-17-2005, 01:14 AM
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your actually better off turning the fan around so you can pull the hot air out instead blowing it into the the hood.
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  #14  
Old 01-17-2005, 01:19 AM
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Quote:
Originally Posted by Willow
your actually better off turning the fan around so you can pull the hot air out instead blowing it into the the hood.
Depends on your purpose for fans. Mine was to encourage evaporative cooling, and the greater the velocity of air across the surface of the water, the more water evaporates.
I also think that removing air hot air from the canopy is pointless, as soon as the new cooler air enters, the bulbs heat it instantly.
Overall though, as with the rest of the hobby, whatever works for the individual is the right way.
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  #15  
Old 01-17-2005, 02:42 AM
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Quote:
Originally Posted by reef_raf
I also think that removing air hot air from the canopy is pointless, as soon as the new cooler air enters, the bulbs heat it instantly.
Overall though, as with the rest of the hobby, whatever works for the individual is the right way.
I do it because it drops the temp of the inside of my stand by 15 degrees, some of us have doors on ours

Steve
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  #16  
Old 01-17-2005, 02:47 AM
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Doors? I don't need no stinkin' doors!! Quality cardboard flap that's lasted 2 years now.
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  #17  
Old 01-17-2005, 02:49 AM
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Originally Posted by reef_raf
Doors? I don't need no stinkin' doors!! Quality cardboard flap that's lasted 2 years now.
Hey the new tank has doors right?

Steve
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  #18  
Old 01-17-2005, 02:50 AM
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Ya, but I'm gonna take them off and build new cardboard flaps. Just for you!!
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  #19  
Old 01-17-2005, 02:52 AM
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Originally Posted by reef_raf
Ya, but I'm gonna take them off and build new cardboard flaps. Just for you!!
LOL, are you sure you arn't doing that just to have more light to read by?

Steve
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