The Planted Tank Forum - View Single Post - Lighting an Aquarium with PAR instead of Watts
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post #9 of (permalink) Old 07-21-2012, 10:54 PM
Wannabe Guru
Join Date: Feb 2011
Location: Baltimore Maryland
Posts: 1,701
Now that we got that cleared up, let's move onto PUR (Photosynthetically Active Radiation)
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