Ideal for both B&W film developed in either pyro/catechol staining or conventional developers and B&W paper developer

Low odour, doesn’t require acidic stop bath, fast washing out times, long shelf life and designed for soft and hard water up to 500ppm

Sodium thiosulphate based, free from: borate derivatives, non-biodegradable EDTA/DPTA based chelating agents, phosphates, acetic acid, known carcinogens and mutagens