The Planted Tank Forum - View Single Post - 75g planted discus.. is this adequate
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post #7 of (permalink) Old 01-16-2013, 12:48 AM
Planted Tank Obsessed
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Join Date: Mar 2011
Location: Davis, CA
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Best way to tell if the fixture will produce enough light would be to borrow, buy, build a PAR meter. This will help you nail the perfect light intensity for a low-tech, which is important for avoiding algea.

If you do need to upgrade, I would highly recommend looking into LED fixtures.
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