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tannic acid

SkwerI

Treehouser
Joined
Sep 6, 2006
Messages
18,026
Location
central Florida
Around here the cypress have high tannic acid content. If there's lots of cypress around a lake, the tannic acid will stain the water brown.
 

BlackSmith

Uncivil
Joined
Mar 6, 2005
Messages
5,896
Location
Upnya WV
  • Thread Starter Thread Starter
  • #5
thanks for the replies, oak l can get, cypress would be hard for me to get around here
 

gf beranek

Old Schooler
Joined
Apr 18, 2007
Messages
10,050
Location
God's country, North Coast
Where I live, N. Ca., most of the native tannins are leached out of the leaves and needles. And in the forested areas with deep top soil the tannins are captured by the organic layer, and the streams run clear. But in the serpentine and sandy soils with thin top soil strata the tannins pass through and the water in the streams of those areas run brownish. Real hard on house hold water systems too.
 
F

Frans

Guest
umm, Walnut. Ya'll shoulda known that one :) Walnut husks was used to tan leather back in the day.
Melts horses hooves.
 
R

RIVERRAT

Guest
Wegot walnut trees all over here in Kansas. The east part any ways.

Frans is right about the effect on horses. I was learning the Farrier bizz & the stable I was at one day had just taken a load of chips for bedding.

2 horses came up bad lame from walnut chips.
 

stig

Patron saint of bore-cutters
Joined
Aug 26, 2007
Messages
18,775
Location
Denmark
Of all the different woods I have had on the turning lathe, Hickory has been the worst, when it comes to tannin.
When I turn it wet, it reacts with the iron ions on the surface of the turning gouges and makes everything dark blue. The last log I converted into saladbowls, I had blue hands for about a week afterwards.
 
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