The Planted Tank Forum - View Single Post - What kind of light is best?
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post #2 of (permalink) Old 10-06-2012, 06:04 PM
Wannabe Guru
Join Date: Feb 2011
Location: Baltimore Maryland
Posts: 1,701
There's plenty of info on photosynthetically active radiation, abbreviated PAR within this forum and across the web. Please take the time to look things up.

None of the wavelengths or K value listed alone is suitable.
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