Best Way to Remove Hard Water Stains from Glass

Best Way to Remove Hard Water Stains from Glass

Hard water stains! The most annoying thing in any household. Like many, you are undoubtedly familiar with it. Those white, dull spots on the glass surface ruin your household appliances. You may have tried all possible remedies to get rid of hard water stains.

Unfortunately, everything failed, didn't it? Possibly that's the reason you are here. Fear not! With some simple steps and tools, you can get rid of hard water stains in no time! Today we will provide the best way to remove hard water stains from glass.

Though many of you are facing it for long but unaware of what are hard water stains, exactly? How is it formed? So, before we start with the techniques, let's clarify your queries.

What are Hard Water Stains?

Water containing high minerals like magnesium and calcium is called hard water. This water will leave behind deposits of calcium and magnesium on the surface. These limescale or calcium deposits is known as hard water stains.

Where Are Hard Water Stains Formed?

Great Question! We're so glad you asked! Water collects mineral-like lime, chalk, magnesium, and calcium through the waterways. You will notice lime scattering around the glass. Also, it forms in the glass when the sprinkler system sprays. Closures leak silica onto the glass which leads stains buildup. Moreover, sometimes iron drips from metal fly screens onto the glass.

Ways to Remove Hard Water Stains from Glass

Now let's get straight to the point. You will find several tips and tricks to get rid of water sports. Here, we'll suggest different cleaning solutions for types of glass. We'll recommend you to try all of them to find out which works best for you.

Natural Cleaners

Before using any acidic or toxic solutions, you can try natural cleaning techniques. Here we add a few methods for your convenience. You can try any of from the following methods:

Scrubbing techniques

Initially, you can try scrubbing sponges on the glasses, to remove stains as much as possible. You can add baking soda to the scrubber as well. It works excellent in newly-formed stains.


Toothpaste works like magic in most stains as it's a great alternative of baking soda. The process is also more natural. Smear some toothpaste on the stained area using a moist towel. Let it stands for a few minutes and then clean it using water and vinegar mixture. Make sure to remove all deposits.

Paste Cleaners

You'll find several paste cleaners in the market. These are effective as paste doesn't leave any liquid marks. Remove hard water stains effectively. However, if you don't follow the accurate applying instructions, it may result in a foggy haze.

Liquid Cleaners

In case you are facing stubborn stains, all above natural cleaning techniques failed. You can try the following liquid cleaners.

White Vinegar

Vinegar is colorless acid, which helps to loosen mineral deposits. Since it is a natural liquid cleaner, it won't cause any harm to your eyes. However, you cannot use vinegar only for getting rid of stains.

Here's what you can try:

1. Mix vinegar with lemon juice and heat the mixture in the microwave for a few seconds. Take the mixture in a spray bottle and sprinkle over the stains. It is way more effective.

2. Or else, you can spray vinegar solution over the stains and wait for 2-3 minutes. Later, wipe it using a paper towel or a lint-free, dry cloth.

3. Do you have stains on the drinking glasses? Take the same amount of vinegar and water in the basin or a large jar. Then let it soak for a few hours and rinse it after then.

Salt and Water Mixture

Salt works like scouring powder, which can cut through the stain. Use a saltwater mixture into the affected area and rub it using a clean cloth. Make sure that you rub it in a circular motion. When you are done, rinse the area to eliminate saltwater residue.


Since hard water stains are itself alkaline, which can be removed with a powerful acid. You can use sulfuric, phosphoric, or hydrochloric acid. These acids can break down the stains effectively. Make sure to apply it on stained areas. Moreover, it works excellent on enamel and acrylic surfaces.


1. Use eye protection and gloves while applying acidic solutions. Avoid using on the surface near foods,

2. Test the solution on a small area, as it can damage stone, anodized aluminum, or natural marble.

Ammonia and Rinsing Agent

For better cleaning, you can add ammonia to regular all-purpose glass cleaner. It helps to cut super-hard water stains with ease. Or else, you can try rinsing agent like Jet Dry. Add Jet dry with regular dish washing detergent to your dishwasher.

Heavy-duty Natural Cleaners

If you failed to remove stains using all the above methods, you could try heavy-duty natural cleaners. Mix ½ cup of white vinegar, 1 cup ammonia, 1.4 cups of baking soda with warm water in a large bucket. Drown a scrub pad into the solution and rub on the stained area. Rub it until it is gone. Then rinse it with clean water using a soft sponge. Make sure to dry the area with a soft and clean cloth.

Maintenance Tips

You can minimize stains buildup with regular maintenance and care. Follow these;

· Attach a filter into your household water system to maintain pH balance and mineral levels,

· Make sure to wipe the glasses using clean clothes. Use a lint-free towel to dry shower door each time,

· Or else, you can use paste cleaners as glass protectors.

To Wrap Up!

Indeed, a little know-how can help you to deal with stubborn hard water stains. All your glasses will look sparkly fresh in no times once you know the appropriate way. You can surely make it following our best way to remove hard water stains from glass. That's all for today; we'll be back to you soon with another exciting topic.