KODAK Liquid Rapid Fixer Solution for Black & White Film and Paper, 5-Gallon, Part "A" (fixer).

Kodak Rapid Fixer is a two-part liquid concentrate for tray manual processing that provides rapid fixation and hardening. Kodak Rapid Fixer also serves as a replenisher to revive and extend the life of the original solution. Recommended for film and other uses where ammonium thiosulfate is an appropriate fixer.