Bleach

Potassium Ferricyanide 50.00 g
Potassium Bromide 50.00 g
Water to 1 litre

Bleach for approx 1 min or until all silver is converted. (Split toning will require dilution and removal beforew all the silver is converted).

Wash for ten minutes (less for RC).

Sulphide Toner

Sodium Sulphide 50.00 g
Water to 1 litre

Use Dilute 1:9 with water.

Caution - Sodium sulphide fumes are irritant and can fog sensitive materials. Always have plenty of ventilation during mixing and when using the toner.