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11-30-2006, 12:37 PM#2
Senior Member
Who's Got a PAR Meter???
HZ . Can you describe how does it works? What figures does it show?
SPECTRA
420 430 440 450 620 630 640 650 660 670 680 690 700 nm
http://omlc.ogi.edu/spectra/Photoche...tml/alpha.html
love peace & happiness
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