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Sulphide-Selenium Toner
purple-brown tones, depending on dilution

Caution - Selenium powder and mixed toner are toxic.
Do not inhale Selenium dust, wear mask and have plenty of ventilation when mixing toner.

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

Sodium Sulphide 250.00 g
Selenium powder 5.70 g
Water to 1 litre

Use Dilute 1:20 with water (vary for tone). Soak print in water for a few minutes before immersing in toner. Agitate during toning. Wash as for fixed prints.