Kodak Professional Kodafix is a rapid fixer designed for use with both black and white film and paper. This long-lasting, single-solution fixer also contains a hardener for added emulsion protection. This item is one 32 oz bottle of liquid concentrate, designed to make 1 gal of working solution for film (1:3 dilution) or 2 gal of working solution for paper (1:7 dilution).