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Old 11-28-2007, 08:30 PM
Ocelaris Ocelaris is offline
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Join Date: Sep 2007
Posts: 279
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Here is the best article on Photosynthenic Active Radiation I would highly reccomend. It's really just metal halide, but worth the read. It's tailored for Coral Reef people, but the PAR rating is informative.

Aqua Botanic-light bulb comparison
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