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Re: Aquatic Plants Digest V3 #713
At 03:51 PM 12/16/98 -0500, Dorian McMillan asked:
>midday sun output on a clear day is ca. 2000 micromol/m2/sec,
>I've been told that you could probably build a PAR meter for around
>$25--the trick is that it must be calibrated
How about calibrating it agains midday sun output on a clear day?
--
Dave Gomberg, San Francisco mailto:gomberg at wcf_com
http://www.wcf.com/wcf
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