We have talked developing film with coffee before using a substance called caffenol. Bet what if you are more of a wine guy than a coffee guy?
Dirk Essl of the Caffenol blog just shared a video on using red wine for developing paper.
Same as the caffenol process it uses vitamin C and washing soda and is done in the almost now disappearing dark room.
The process gives a bit of a brownish duotonish look to the final developed paper, which I find very interesting, A video after the jump

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