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Old 07-06-2005, 04:03 PM
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These links show the light drop off for various distances from the bulb to the water surface. They test reflectors but you guys are using reflectors anyways so the results would be applicable.

http://www.advancedaquarist.com/issu...03/feature.htm
http://www.advancedaquarist.com/issu...03/feature.htm
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