Iron blue toner by the teaspoon

Iron blue toner by the teaspoon

  1. psvensson
    A slight variation on Kodak T-12 Iron Blue Toner, with some usage notes for acheiving bright, saturated cyanotype tones. It's easy to mix up on the spot. In fact, I don't think it will keep once the ferricyanide has been mixed in, so this is a...
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