I know, a pumice stone sounds like something you use on your feet, not your toilet. But trust me, this magic rock is a game-changer. Wet the stone and the stain thoroughly—this is crucial, because a dry stone will scratch your porcelain. Gently rub the rust spot in a circular motion. You’ll feel like a sculptor revealing a masterpiece.
Go easy—don’t Hulk-smash the bowl. The pumice is abrasive enough to lift the rust without damaging the glaze. Rinse and repeat until the orange is gone. Warning: This method works best on smooth, glazed porcelain. If your toilet is old and textured, skip this and use the vinegar method below.
Porcelain Toilet Bowl Stains at Olivia Quinn blog