The Planted Tank Forum - View Single Post - Comparison of Lighting Types (Lumens and Watts)
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Old 12-16-2005, 12:45 PM   #7
Safado
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Quote:
Originally Posted by defdac
Lumens doesn't tell much how good a bulb is growing plants because lumens is weighted towards human response (our eyes are sensitive to yellow-green, the same light plants *reflect*):
http://www.aquabotanic.com/lightcompare.htm
Thank you defdac! That article is very applicable.
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