In addition, the baking soda and salt on the potato will act as an abrasive to remove any remaining rust residue that is left in the shower or tub. Vinegar is acidic, which makes it another top ...

Q. How do you remove rust stains? The wet nature of bathtubs can lead to rust stains around the tub. Follow these steps to remove rust stains: – Sprinkle the rust stains with borax.