Spotting toned Cyanotypes

Discussion in 'Alternative Processes' started by nsurit, Dec 15, 2011.

  1. nsurit

    nsurit Subscriber

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    I've successfully spotted cyanotypes with Grumbacher Prussian Blue watercolors. I will be toning some cyanotypes with a solution of tannic acid. Any suggestions on what brand/color of watercolors works well with tannic acid toned cyantypes? Bill Barber