The Planted Tank Forum - View Single Post - Does anyone use these? and if so How many watts does it put out?
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post #3 of (permalink) Old 03-29-2006, 01:31 AM
Rex Grigg
Planted Tank Guru
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Join Date: Dec 2002
Location: Portland Orygun
Posts: 9,600
A triple tube 48" fixture will have a nominal output of 120 watts when using T12 bulbs and a nominal output of 96 watts when using T8 bulbs.

The question really is: How much light do these get into the tank.

Answer: Not enough for what you pay.
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