INDEXSTOP Odourless Stop Bath with pH Indicator

In film and paper development, the stop bath plays a crucial role in the overall process. It is a specific solution used to halt the action of the developer and prevent further development of the film or paper.

The primary function of the stop bath is to neutralize the developer’s alkaline nature, which helps in preserving the desired level of image development. When the film or paper is immersed in the stop bath, it quickly halts the chemical reaction caused by the developer, effectively stopping the development process.