To prevent mis, the action of the devel- oper is arrested by transferring the film to a stop bath.
Immerse negative paper, film, or print in stop bath to arrest developer action.
Use an acid stop bath prior to fixing bath to reduce effect of alkaline developer on fixing bath pH.
Sometimes plain water is sufficient for a stop bath.
Using an acid stop bath prior to the fixing bath if you do tray processing.
British Dictionary definitions for stop bath
stop bath
noun
1.
a weakly acidic solution used in photographic processing to stop the action of a developer on a film, plate, or paper before the material is immersed in fixer