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Re: [APD] Webcam as plant health monitor?

Daniel Larsson wrote:
> Now to my question - have onyone been taking
> IR-pictures of their planted tank and been able
> to see when the plants are "sad"?

I know chlorophyll reflects a good deal of infrared, but I don't know if 
nutrient deficiencies affect the reflectance in predictable ways.

Jerry Baker
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Aquatic-Plants at actwin_com