Kodak T-12 Iron Toner

Blue toner

Water750ml
Ferric Ammonium Citrate4g
Oxalic Acid (crystals)4g
Potassium Ferricyanide4g
Water to make1000ml
Mixing Instructions:  Dissolve chemicals in specified sequence. Filter mixture as required.
Dilution: Use undiluted.
Usage: Immerse well-washed print in toning bath for 10-15 mins or until desired tone is obtained. Wash until highlights are clear.
Notes: From Steve Anschell’s Darkroom Cookbook.

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