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Sepia Sulfide 221 Toner

5 Stars

Product Description

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.


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  1. Amazing product 5 Star Review

    Posted by on 28th Feb 2021

    am very happy with this product easy to use i will buy it again

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