Gevaert Brown Toner G.201

Brown paper toner

Part A
Water 125F/52C750ml
Potassium Ferricyanide15g
Potassium Bromide15g
Cold water to make1000ml
Part B
Cold water1000ml
Sodium Sulfide15g
Mixing Instructions: Add chemicals in specified sequence. If warmer sepia tones are required, add 2g-4g of Potassium Iodide per liter of Solution B at least 30 mins prior to use.
Dilution: Use undiluted.
Usage: In subdued light (not sunlight, nor dark) bleach print in Solution A until deepest shadows are pale yellow. Wash thoroughly until stain disappears, then immerse print in Solution B for about 5 mins to redevelop. Fix and wash fully.

Notes 

If whites are stained, use a 10% sodium bisulfite solution to clear highlights prior to final wash.<br><br>Solution A can be reused and will keep well if stored in amber glass bottles in dark conditions.<br><br>Formula requires Sodium Sulfide, NOT Sodium Sulfite.
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