How to Remove Hard Water Stain?

Hard water stain is one of serious issues many home owners face. Sometimes people mistake these stains for soap scum, and use removers for soap scum. These however would not work to remove hard water stain. The regular water with high mineral content is known as hard water. These highly concentrated minerals can not be removed just by using some sprays.

Soap scum vs. hard water stain: How to differentiate?

Soap scum is usually easier to remove. Just a bathroom tile cleaner or tub cleaner would do the job. Also, hard water stains usually disappear when the surface is wet and then they come back once the surface dries out.

How to remove them?

There are two methods you could use to remove the hard water stains. One is a simpler method where you could just use white vinegar and the other is where you use acid-based commercial products to remove them.

Using baking soda and vinegar:

  • Mix vinegar and baking soda to make a paste.
  • Use a scrubbing sponge to apply the paste to the stains. Scrub the stain at the same time. Leave the paste on for about 15 minutes.
  • Then wipe the paste with a wet cloth. If there is any excess water, then remove it with a dry cloth. If the stain has been there only for few days then this method should be just enough to remove your stain. If it is a few years old stain then you could try the commercial cleaners to remove the stain.

There are certain things that you should not do to remove the stains. The following is a list of things that you should avoid when trying to remove stains from fittings and fixtures.

Scour pads:

These have the tendency to scratch the surface of metal sinks, tubs, toilets and faucets. If the protection layer is removed from the metal surface, then with time, rust would form on it, which in turn would permanently damage them.

Pumice stone

: These are not as bad as scour pads. Though these are less damaging compared to scour pads, they could still damage the surfaces and form unwanted scratch marks on the surfaces.

Sand paper

: This SHOULD never be used in removing stains from anything in your bathroom. If used, it would lead to terrible damages on your porcelain sinks due to the abrasive nature of sand paper.

Razor blade: DO NOT

use them no matter how frustrated you are with your stains. This would completely destroy your bathroom surface and might end up either replacing them or pay more to repair them.


Even though this is a good solution to kill bacteria, it does not help much when you try to use it to remove hard stains. It might work for some people but there are other safer ways to remove these stains than using harmful bleach.

Hydrochloric acid:

Hydrochloric acid is acidic and does help to remove stains. But it is not healthy to use it. Inhaling hydrochloric acid every often would cause lung problems.

Chemical cleaners:

There are many chemical cleaners in the market. These chemical products do help to remove hard water stain. However, the only problem with these types of products is that they could be harmful if you use them in large quantity.A� They could cause health problems if you use them repeatedly. Therefore, try to avoid them as much as you could. If you have a hard water stain that has been there for a really long time then use these chemical cleaners once to remove them. After that use the vinegar and baking soda paste to clean your tiles or glass.

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