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  1. #1

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    Sep 2006
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    Bri-Tannic Acid?

    Where can I get hold of tannic acid here in the UK? The only places I can find sell in bulk. I only need 100g for toning cyanos.

  2. #2
    David A. Goldfarb's Avatar
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    Sep 2002
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    I moved this from the "Grey Area" up to the alt-process forum. The Grey Area forum is just for hybrid digital/analog topics.
    flickr--http://www.flickr.com/photos/davidagoldfarb/
    Photography (not as up to date as the flickr site)--http://www.davidagoldfarb.com/photo
    Academic (Slavic and Comparative Literature)--http://www.davidagoldfarb.com

  3. #3

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    have you tried brewing stores? I got 1.5oz for 2.99 usd

  4. #4

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    Have a hunt around with google for on-line brewing suppliers. It is worth picking up some potassium metabisulphate too at the same time if you need to clear the dichromate out of gum prints. Failing that, use a tea bag (I prefer toning in green tea rather than black).

    Best regards,

    Evan



 

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