The Planted Tank Forum - View Single Post - Assembling a DIY PAR Meter
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post #4 of (permalink) Old 09-26-2013, 03:16 AM
Wannabe Guru
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Join Date: Mar 2012
Location: Apple Valley, MN
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Originally Posted by Hoppy View Post
I think we get 90% of the benefit of a PAR meter with only +/-10% accuracy compared to 100% of the benefit, with +/-4%. And we pay a lot to get that added accuracy.
This is the point I was driving at, but you said it better.
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