The Planted Tank Forum - View Single Post - Convert Lux meter to PAR meter?
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Old 10-10-2012, 11:35 PM   #145
h4n
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very nice Hoppy!
i'm going have to order some acrylic tube and give this a try haha.
I noticed you now use 4 filters. Using the 6 you sent me orginally does the same thing correct?
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