Formulary's Sepia Sulfide Toner 221 is a classic bleach and redevelopment toner that produces rich permanent sepia-brown tones. Most types of paper tone well with this process, including resin coated paper. The bleach contains potassium ferricyanide that changes the metallic silver to a silver salt. After bleaching, the print is then redeveloped in sodium sulfide.

Sepia SulfideToner

£17.00 Regular Price
£12.00Sale Price
  • Please be careful when using the chemicals and ensure you read the safety sheet before use - here.

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