The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
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post #32 of (permalink) Old 11-11-2010, 02:42 AM
Planted Tank Guru
Join Date: Dec 2005
Location: Sacramento, CA
Posts: 21,015
Originally Posted by aaronbrown View Post
this might help you all out at least to make the sensor
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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