Specially formulated for the perfect printing purposes, the Ilford Universal Rapid Fixer 500 ML is a wonderful fixer offering more reliability. It is a non-hardening rapid fixer and comes as a liquid concentrate that can be diluted with water before using for development. More ideal for high temperature purposes, it can be used in all manual and machine processing applications in the temperature range of 18-40ºC. The fixing agent of this fixer is ammonium thiosulphate and unlike other fixers, it does not contain sodium thiosulphate. This outstanding fixer is ideal for all black and white film as well as paper.