Tannins

• To: Plants <Aquatic-Plants at actwin_com>
• Subject: Tannins
• From: "Olive K. Charlsey" <achaudh at emory_edu>
• Date: Sun, 26 May 1996 18:00:13 -0400 (EDT)

JDAVIS at bio_tamu.edu writes:

I have been thinking about this driftwood problem...and could it be that the
tannins from the driftwood have a buffering capacity???

	Tannins are organic acids. (I think that all of them are, but am 
not sure.) The wood contains a lot of tannic acid and humic acid, if I am 
not mistaken. The wood acidifies the water by leaching these acids.
		
					Alok

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