I do this a bunch at home, my setup has also migrated to work. Simple solution made with vinegar, salt and sodium laurel sulphate, then a couple of cheap nickel

I do this a bunch at home, my setup has also migrated to work. Simple solution made with vinegar, salt and sodium laurel sulphate, then a couple of cheap nickel electrodes. Run current through both to make the nickel acetate, then you're good to go.