Source for commercial grade Tannin [Archive]

TCLouis

12-07-2022, 11:51 PM

Not the high dollar wine makers variety.

Just plain ol commercial grade!

PM is best

GregLaROCHE

12-08-2022, 01:17 AM

Oak tree?

sparky45

12-08-2022, 10:16 AM

If you want to make it yourself, Greg is correct; Walnut as well.

Jeff Michel

12-08-2022, 01:35 PM

I used to purchase tannic acid from the local pharmacy.

john.k

12-09-2022, 03:21 AM

Its used in bulk for corrosion treatment in steam boilers.