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Old 01-21-2013, 03:36 AM   #5
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Yes, considering your investment in a DIY light, you don't want to end up with too little light and no easy way to increase it. So, you design for more light than you want, and use a dimmable driver so you can reduce the intensity, if necessary. Today the cheaper option for many tank sizes would be manufactured LED lights, like the Finnex ones.
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