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Old 08-23-03, 12:22 AM   #2 (permalink)
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Join Date: Mar-2002
Location: Ottawa
Age: 30
Posts: 3,288
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Some pet store heat lights are infrared, so they only produce heat, and no light. Usually they are a different shape, and make more heat than a normal bulb. Household bulbs are your typical, pear-shaped white things that you can 10,25,40,70,100 etc watt. They produce heat too, but not as much, and some of the lower wattages produce almost none.

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