Thread: Hardy coral that lives on low lighting?
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Old 07-22-2004, 11:24 PM
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You have to take into account that Compact Fluorescents have about three times the light output of NO fluorescents. T5 tubes also put out much more light than NO tubes. The original poster has three NO 30W tubes over a two foot deep tank. We are talking about less than 1.5 W per gallon. That folks is a seriously underlit tank.
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