FORMULARY FILM DEVELOPER 3 is a soft working metol based developer that is similar in composition to Ilford ID-3. Developer 3 is capable of producing negatives with an excellent tonal range with sharpness and grain comparable to those obtained using D-76. Developer 3 can be used as either a single bath developer or as a two bath semi-compensating developer. Directions for both types of usage are given in the instructions. The stock solutions have a shelf life of 6 months and will make up to 10 liters of working solution depending on the dilution. The working solution is a one shot developer.