White vinegar is acidic and therefore can be used as an effective household cleaner.
To remove rust from metal you need vinegar, a container and a scrubber.
For lightly rusted metal objects, soak your scrubbing product in vinegar and then scrub the area.
For heavily rusted objects, soak your scrubber for up to 24 hours.
You can resoak the scrubber in vinegar and scrub the rust as much as necessary,
Rinse the metal and then let it dry thoroughly.