Farmer's Reducer (local bleaching)

For local bleaching of prints

Stock Solutions

Part A

Potassium ferricyanide, 1%

Part B

Sodium thiosulfate (Hypo), 10%

Note: As an alternative to B, one can use ordinary fixer at working strength

Instructions for use

Mix 1 part of A with 1 part of B; dilute with two parts of water. The working solution is effective for approx 10 min.

Reduce proportion of A to get a less powerful bleach. Keep in mind that stronger solutions are better for increasing local contrast. Weaker solutions are better suited for reducing overall print density.

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Farmer's Reducer (local bleaching)

Stock Solutions

Instructions for use