The Planted Tank Forum - View Single Post - DIY PAR meter, Yeah you heard me
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Old 11-12-2010, 02:15 PM   #43
keithy
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Quote:
Originally Posted by mistergreen View Post
HEh, They needed me to fill out a form on the intent of my purchase... I think it's regular policy these days to make a safer world.
For photodiodes??... maybe its more of a marketing strategy to look into new avenues they can market their products.......... just my 2 cents. Anyways, how is the design and calibration coming along? Any new developements?
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