Dip the cut side of the potato into baking soda (or sprinkle it on the rust).
Rub the potato directly onto the rusty surface. Use circular motions and apply a bit of pressure.
Repeat, slicing off the used surface of the potato and reapplying baking soda as needed.
Wipe clean with a damp cloth and dry thoroughly.
🧪 Why This Works:
Potatoes contain oxalic acid, a natural compound that breaks down rust. When combined with a mild abrasive like baking soda, the reaction lifts rust without scratching or damaging the surface.
I couldn’t believe it until I saw it myself — a rusty knife that had been sitting in the drawer for months looked brand new.
