You can use several different types of vinegar to remove hard water stains, including white vinegar and apple cider vinegar. Try to use what you have on hand first. If it doesn't work, look for vinegar cleaner, which is more acidic and has greater potency against hard water stains. In a small bowl, mix equal parts of vinegar and olive oil.
Apply the mixture to the water stain with a cloth. Wipe in the direction of the wood grain until the stain disappears. The vinegar will help remove the stain, while the olive oil acts as a furniture polish. Finish by cleaning with a clean, dry cloth.
The oil in mayonnaise works by displacing moisture from a ring of water and remedies any cloudy residue in the finish of wooden furniture. Odorless mineral alcohols or acetone can also be used to dilute the top coat of the varnish and remove the stain, but since they are not specifically designed for this purpose, they can leave stains, says Mann. He has more than four decades of experience and has been writing and consulting for more than 20 years, sharing his knowledge about efficient cleaning, stain removal methods and textile preservation. With a constant flow of water and products that foam, the build-up is likely to be more evident in the shower and bath.
Once the entrance source is completely sealed, you're ready to face the enemy in person: the mark of a water stain on the wall or ceiling. Not only will it remove hard water stains in showers and bathtubs, but it will also seal stains to prevent them from getting stained in the future. Water stains occur when moisture penetrates the wood and is trapped beneath the surface, usually due to condensation from a cup, bottle or jug, or when a spill isn't cleaned up. Inadequate repair work will fail and soon the water will return, causing you to paint the area over and over again.
But in general, you can get an idea of how to proceed with the removal by determining if you have a light or dark water stain. If a leak has left water stains on the carpet, Davies recommends absorbing as much water as possible as soon as possible. Leaking roofs and pipes, floodwaters, and even tap water contain impurities that can leave residue on fabrics and walls. One of the best ways to remove a water stain is to cover it with petroleum jelly or even mayonnaise.
So you have to proceed properly, while trying to get rid of those ugly and irritating water stains. It's also important to note that some difficult water stains are best treated with a combination of cleaning techniques; experiment with each method as needed.