Mark KelsallAs noted in the Hacked news feed, there are still problems with silver ions floating around. They may be able to be extracted from the solutions. I know it can be done with fixer.
Removal of silver..
A project log for Develop film with Potatoes
A potato based film developer mixed up during the first UK lockdown out of desperation for creativity and coffee.
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This sounds like a separate project for a proper chemist. The point of having a potato based developer, is that they can be grown locally and in doing so, the process uses less energy and air miles / sea miles than a coffee based developer.
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