Kodak Reducer R-8a

For overexposed and overdeveloped negs

Water 125F/52C750ml
Ferric Ammonium Sulfate45g
Potassium Citrate75g
Sodium Sulfite (anhydrous)30g
Citric Acid22.5g
Sodium Thiosulfate (Hypo)200g
Cold water to make1000ml
Mixing Instructions: Add chemicals in specified sequence. Do not substitute Sodium Citrate for Potassium Citrate as the rate of reduction will be considerably slowed.
Dilution: Use undiluted, or 1+1 for slower action.
Usage: Immerse a clean, fully fixed and washed negative into solution for 1-10 mins at room temperature (approx 18C-21C), then wash thoroughly.


This is a modified version of original Belitzski Reducer. Hardener should not be required with modern emulsions, but if you encounter any issues with emulsion softening, the use of a hardener prior to treatment is recommended.
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