250g HYPO (Sodium Thiosulphate) - Fixer. 100ml Silver Nitrate 12% Solution - Sensitiser. 100ml Sodium Chloride 2% - Salting Solution. 100ml Citric Acid 6% - Sensitiser Additive. Salt Printing Kit. First practised in the 1830s, salt printing is one of the earliest photographic processes.
