Kodak - Fixer F7 Rapid

Water (140 F) 750 ml Sod. Thiosulfate 360 g Amm. Chloride 50 g Sod. Sulphite 15 g Acetic Acid (28%) 48 ml Boric Acid 7.5 g Pot. Alum 15 g Water to make 1.0 L

This is a standard rapid fix with all the hardening mixed in. Fixing times are 6min. at 21C for T-Max films.