What removes rust stains from the shower

Rust stains on the bathtub - Instructions & tips for the right cleaning agent

Various objects in the bathroom can cause rust stains on the bathtub. How this can be removed depends on the coating on the tub. With the right remedy, it works very easily.

Relax in the bathtub, what could be nicer after a long day on your feet? However, bathing fun is often marred by ugly rust stains. This can be more superficial flash rust, but deep rust can also form.

Bathtubs can be coated differently. This also results in differences in the treatment and removal of rust stains. Although the bathtub is freshly cleaned, it has unsightly discolorations that can be caused by soap or shampoo residues. Over time, an ugly film builds up on the surface. If you do not intervene in time, you risk that the deposits will eat more and more into the material and turn into stubborn rust. In the following, we will tell you how rust stains develop in the bathtub and what you can do about it.

Table of Contents

How does rust come about?

Rust forms when iron comes into contact with water and oxygen. This chemical reaction can also be observed with ferrous alloys. A slight tension builds up between the material surface and the water. If oxygen does not come into play, nothing really happens. In the presence of oxygen, the parts of the charge are increasingly transported into the environment and there is increased rust formation.

Bathtubs can have different coatings:

  • enamel
  • plastic
  • porcelain
  • Ceramics

Modern bathtubs are often models made of special plastics that have fiber reinforcement. If rust spots appear here, it is only superficial deposits. Deep rust cannot form here. It is similar with bathtubs made of ceramic or enamel. However, even the smallest hairline cracks that are barely visible to the naked eyes can ensure that the rust penetrates into the substructure of the bathtub, which contains iron. If the rust is only removed superficially here, it will not do much. In this case, the substrate must be sealed so that no new rust stains form.

Remove superficial rust stains immediately

There is a warm, humid climate in the bathroom. This is the ideal breeding ground for rust film. If you notice rust-like stains on the bathtub, these are usually caused by metal objects that frequently come into contact with water. This can be hairspray or shaving foam cans as well as the forgotten dime or the hairpin. The water dissolves the rust particles from the metal and these are deposited on the tub.

" Tip: Superficial rust stains should be removed immediately so that they do not stick to the surface.

It doesn't have to be chemical cleaners. Vitamin C powder, which is dissolved in water, has proven itself in superficial rust removal.

Thorough rust removal

Older models or free-standing bathtubs that adorn bathrooms with a retro look are often versions that have a body made of metal. If the metal has an iron content, there is a high risk of rust formation. However, if the rust goes very deep, the superficial removal of the rust stains will not be sufficient. The grate can only be removed sustainably from the substructure. For this, the bathtub has to be completely exposed, which means a lot of effort. After removing the rust, you will need to apply a new inner coating before you can step back into the tub.

What not to do

Rust stains should not be removed with harsh cleaners. You will not achieve the desired results with either scouring milk or bleach. The material is attacked by the chemical cleaners and deposits do not disappear, but settle even more intensively.

" Tip: The coating of plastic bathtubs in particular can be damaged quickly by harsh cleaning agents.

Home remedies for rust removal

To effectively remove rust from bathtubs, you need the following products, which are easy to get in drug stores and supermarkets.

  • vinegar
  • oil
  • salt
  • Lemon juice
  • lime
  • Tartar
  • Hydrogen peroxide

Pastes are made from the named ingredients by mixing the following components:

  • vinegar and oil
  • Lime and salt
  • Salt and lemon juice
  • Tartar and hydrogen peroxide

The rust stains are rubbed over a large area with the respective paste. Then the mass should act for several hours. After about three to five hours, rinse the bathtub with hot water and the rust stains should be gone.

❖ Vinegar for acrylic tubs

Plastic coatings easily release rust film. By spraying the stains with vinegar, you have found an effective cleaning solution that can be used very well on smooth surfaces.

" Tip: Alternatively, lemon juice can also be used.

Vinegar or lemon juice should work for about half an hour. The stains are dissolved by the acid and can then be easily scrubbed away. If it is stubborn rust film, baking soda can also be added to the vinegar.

❖ Tooth whitening against rust

Surface rust stains, for example caused by spray cans or forgotten coins and hairpins on the edge of the tub, can be polished away by applying a little tooth whitening. Let this act briefly and then polish away the stain.

❖ Toothbrush as an aid

Rust stains can be worked on very well with a disused toothbrush. Apply gentle pressure with the toothbrush and the rust will come off and then just needs to be wiped away.

❖ Use tub rubber

With ceramic or enamel bathtubs, a tub rubber pays off. The tub rubber can be used to remove rust stains in dry and wet bathtubs. The material is not damaged in the process.

❖ Rust removal in enamel bathtubs

A mixture of tartar and hydrogen peroxide has proven effective for removing rust in enamel bathtubs. Mixing the two substances creates a paste that is reminiscent of cake icing and is easy to spread on the stains. After about a quarter of an hour, the stains can be polished away with the help of a toothbrush or pumice stone.

" Tip: Hydrogen peroxide has a lightening effect and can therefore also be used against age-related discoloration on the edge of the bathtub.

Homemade universal cleaner for bathtubs

An all-purpose cleaner for the care of bathtubs, showers and the like can easily be made by yourself.

For this you need:

  • water
  • Baking soda
  • Castile soap
  • essential oils

All ingredients are put in a spray bottle. The mixture is sprayed over a large area on the surfaces to be treated and, after a few minutes exposure time, wiped away with a soft cloth.

" Tip: You can also use hydrogen peroxide instead of castile soap.

The best tips for cleaning the bathtub

❶ Always remove any dirt marks immediately after bathing.
❷ Lime stains disappear with the help of water, vinegar and citric acid
❸ The bathtub can be polished with salt, vinegar and buttermilk.
❹ Rust stains that have formed around the drain will go away with baking soda and vinegar.
❺ Soda water ensures clean fittings.
❻ Small scratches can be polished away with the help of metal polish.

Prevent rust and discoloration - Here's how

If you notice any minor damage to the coating on the bathtub, it should not be taken lightly. These can quickly penetrate deeper into the material and lead to the development of stubborn rust.

The tub should be cleaned thoroughly after every bath. Then dirt has no chance to stick and there are neither annoying discolorations nor rust stains. Once the tub has been cleaned, it can be rubbed with a sliced ​​lemon. This not only helps to achieve a new shine, but also ensures that dirt does not eat into the material.