Cleaning window glass

How To Remove Watermarks From Glass

Mary Smith
By Mary Smith. Updated: January 16, 2017
How To Remove Watermarks From Glass

Hard water is a type of water that is characterized by a high content of minerals that are responsible for leaving white or brown spots on many household glass surfaces. They're quite difficult to remove, so it's helpful to learn some useful tips to help eliminate them altogether and always keep glass surfaces clean. If you've tried everything and still can't find an effective formula to remove watermarks from glass doors or windows and bathroom mirrors, check out the following solutions in this article and don't hesitate to try them.

You may also be interested in: How to Remove Limescale from Shower Glass

Steps to follow:


One of the best natural alternatives to remove watermarks from glass is to use the following solution of white vinegar and lemon juice. Just mix equal parts of these two ingredients and apply the solution directly on the spots, using a soft sponge or dry cloth. The acid in both the vinegar and the lemon will cause hard water deposits to disappear more effectively. If you want to make a vinegar and lemon multi-purpose cleaner, check our recipe.

How To Remove Watermarks From Glass - Step 1

Another way to remove those hard water stains without resorting to abrasive products is to use a mixture of baking soda and hot water. Add about 30 g of baking soda to a glass of warm water, stir and apply the paste to the stained glass with a sponge, in a circular motion. Leave it on for about 15 minutes and then remove with a soft, clean cloth.

How To Remove Watermarks From Glass - Step 2

You can also use cleaners containing phosphoric, hydrochloric or sulphuric acid. All three are very strong and abrasive substances, so be sure to protect yourself and wear a mask and gloves. The results are excellent, since the three acids completely eliminate this type of stains.


Once you've removed all the water stains, we recommend using a glass cleaner. Remember that it's essential to use a soft, dry, lint free cloth so you get impeccable results. Two of the best options to efficiently get rid of watermarks are Lime-A-Way and Bar Keepers. Also, you can use special tools to clean glass surfaces such as a squeegee.


With these simple steps, glass surfaces will be completely clean and free of unsightly hard water stains. You can take a look at our article on tips for cleaning glass and windows to prevent watermarks when you clean them again.

How To Remove Watermarks From Glass - Step 5

If you want to read similar articles to How To Remove Watermarks From Glass, we recommend you visit our Home cleaning category.


  • After cleaning the glass, apply Rain-X to prevent water from accumulating.
  • Shower doors should be dried after each use to prevent accumulation.
  • Don't use sandpaper to try to remove hard water stains. It can scratch the glass surface and ruin it.
  • It's also important not to use and acidic based cleaner as it can damage the surface.
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What did you think of this article?
Peter Wooffindin
Your ideas for removing water scale marks DONT work on my car windscreen,i have tried all the suggestions from the internet and none work there must be something that will remove water scale shor of having it replaced!
Try Glasso from New Zealand, I heard they are bringing it to North America
Hob Brite does the job excellently
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How To Remove Watermarks From Glass