There are several different methods for removing rust from porcelain:
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Pictures. 2 removing stains from an enamel bathtub. How to remove stains from a bathtub.
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If the fabric is bleach safe, try saturating the area with a half and half bleach/water gently dab and scrub the area. As such, do not use a scrubby, steel wool, or anything that is a harsh abrasive. I suggest you wear gloves and open a window because bleach is very harsh for your skin and respiratory system.
Tub and sink stains may be tough to remove, but a few handy cleaning techniques and chemicals makes the task much easier.
Here is how to remove rust stains from a bathtub, when a slow water leaks leaves a rusty streak from your faucet down the tub. This is a guide about removing hair dye stains from a bathtub. To remove those brown stains in the bathtub caused by sulfuric acid fumes, pour some hydrogen peroxide [affil. Stains in the bathtub and shower can occur for several different reasons, but you don't have to live with a stained tub or toilet anymore.