The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
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post #542 of (permalink) Old 05-05-2013, 11:56 PM
Planted Tank Enthusiast
Join Date: Aug 2011
Location: Dallas, Texas
Posts: 755
Could something like this be used with a little calibration:

Always curious.
jccaclimber is offline  
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