*Due to the chemical nature of this product, it is available for in-store pick up only. ILFORD RAPID FIXER is a non-hardening rapid fixer supplied as a liquid concentrate that is diluted with water for use. It is easy and convenient to use in the temperature range of 18-40ºC (66-104ºF) for fixing black and white film and paper in all manual and machine processing applications. The fixing agent in Rapid Fixer is ammonium thiosulphate, it contains no sodium thiosulphate (hypo).