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Need some Tannic Acid - Anyone able to help?

Posted: Thu Jan 21, 2016 1:59 pm
by Hairy Little Dwarf
Only need a couple of grams for playing around with polyacrylamide...

Re: Need some Tannic Acid - Anyone able to help?

Posted: Thu Jan 21, 2016 8:45 pm
by Kerry
I have rust converter - I think that contains Tannic acid?