The easiest way to remove fresh stains is to pour two packets of citric acid into the toilet.
You can leave the powder overnight and then wipe off the rusty areas with a brush.
Baking soda and vinegar.
For more stubborn rust stains, make a paste of baking soda and vinegar, also found in every household cabinet, in a ratio of 3 to 1.
Apply it to the rusty surface with a sponge and leave for an hour.
Alkaline paste is also great for removing rust.
To prepare it, simply pour a small amount of water into the baking soda powder to form a thick paste, and then apply it to the rusty surface.
It is necessary to mix vinegar and lemon juice in equal proportions and apply to the rust-affected area.
This solution will help get rid of stubborn stains, for example, in the bathroom.
Leave the applied mixture for a couple of hours, go over with a washcloth or brush, depending on the type of surface.