These films develop at about the same rate as silver halide films and offer a very high resolution. They also avoid silver disposal problems. The development of silver halide films can be simplified into the following general steps. Squeegees can be used to wipe off excess solution from the film before moving to the next step. It s important that they are used only after the film image has hardened.
Fresh water enters the final rinse tank and then flows from there to the previous rinse tank.
Wastewater flow from the first rinse tank then goes to an approved treatment system and then to sanitary sewers. Processing chemicals can be poured into storage containers until needed again. This is especially useful for small, manual developing operations. This silver can be recovered in some form and then sold. A more active metal, usually iron, can be used to displace the silver from solution.