Citric acid can be used as a lower-odor stop bath as part of the process for developing photographic film.
In modern automatic processing machines, the stop bath is replaced by mechanical squeegee or pinching rollers.
Following the stop bath, the film is bleached to remove the developed negative image.
Development is stopped with a rinse or a stop bath.
Develop for half of your normal time then place it quickly into the stop bath.
Some variations don't require the stop bath.
Development of the print can be halted at any point in the process through the use of stop bath.
Then, the film goes directly into the first wash for 2:00 at 100 F, which acts as a controlled stop bath.
He gently agitates the photograph in its stop bath, lost in technical possibilities.
His eyes were dark, intense now as he added the stop bath to the tank.