The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
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Old 11-11-2010, 02:42 AM   #32
Hoppy
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Quote:
Originally Posted by aaronbrown View Post
this might help you all out at least to make the sensor http://www.colorado.edu/eeb/facultys...e_Daniel03.pdf
Thank you! That is a very good report. It almost makes me want to justify buying a milivoltmeter.....but, not quite.
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