The Foma Fomafix (500 ml) is a fast-acting, non-hardening fixer for use in manual and machine processors and with all black and white films and papers. This fixer has high efficiency, strong buffer ability and long-term stability. Dilution for manual processing is 1:5, while dilution for machine processing is 1:4. 0.26 gallons (1 liter) of working solution at 1:5 dilution will fix 17 perforated films (135-36) or roll films (120), a corresponding amount of sheet films (up to 40 5.0 x 7.0" / 12.7 x 17.8 cm sheets), or 32 sq. ft (3.0 sq. m) of photo papers. Fixing time at 68° F (20° C) is 1.0 - 3.0 min, depending on film / paper type. The contents of this package will make up to 0.8 gallons (3.0 liters).