Films and prints absorb contaminants in processing which can lead to deterioration unless completely removed. Water will not wash alum-hardened prints or films, and extended washing with water can stain prints. ARCHIVE Fixer Remover swiftly and thoroughly removes all types of contamination, including thiosulfate and related compounds, microbiotic and mineral deposits from the water supply, air-born microbes, and hydroquinone used in the manufacture of resin-coated, stabilization and gallery-type papers.