Say Goodbye to Cloudy Glass Forever With These Cleaning Tips (2024)

Having to drink from a cloudy glass or look through a cloudy glass window can darken even the sunniest day. We want our glass, whether it's a drinking glass, a window, or reading glasses, to be clear and sparkling clean! If you suspect that your cloudy glass is caused by more than just a layer of dust and dirt, it's time to tackle the problem.

What Causes Cloudy Glass?

One of the most common causes of cloudy glass is deposits or spots left on the glass by the minerals in hard water. Hard water is rated according to the volume of minerals (usually calcium and lime) suspended in the water and is found across the United States in varying degrees of hardness. Homeowners with wells usually have the most problems with cloudy glass, unless they have installed a filtration or water softening system. Unfortunately, unless a water softener is used, glass pieces will become cloudy again after each treatment to get it sparkling. If care is not taken, eventually the minerals in the hard water will scratch or etch the glass. Once that happens, the cloudiness cannot be removed.

Cloudiness from etching can also occur when metal ions are leached from the glass by over-conditioning hard water and using too much dishwasher detergent.

Tip

Use a pre-measured dishwasher tablet like Finish Powerball formulated for hard water to prevent overdosing.

Cloudiness is also caused when a film forms as the hard water minerals react with food particles. Serious culprits are the proteins in raw meats, eggs, and dairy products that react with calcium and magnesium in hard water. Washing the glasses in extremely hot water of the dishwasher makes the situation even worse by "cooking" the proteins and creating a tighter bond with the minerals and glass surface.

Finally, cloudiness can occur on windows that are made of double-paned glass. If the seal between the two layers of glass is broken by damage to the window, moisture, dirt, and even mold can invade the space between the panes of glass and cause the window to appear cloudy.

Fortunately, most cloudiness can be removed with proper cleaning and just a few products you probably have on hand in the pantry.

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How Often to Clean Cloudy Glass

Glassware used for eating and drinking should be washed, of course, after every use. If cloudiness is a problem, you should take the extra steps to remove the cloudiness as soon as it appears and repeat as needed.

What You'll Need

Equipment / Tools

  • Microfiber cloth
  • Sink or dishpan
  • Spray bottle

Materials

  • Distilled white vinegar
  • Cleaning vinegar
  • Dishwashing liquid
  • Rinse agent for dishwasher

Instructions

Say Goodbye to Cloudy Glass Forever With These Cleaning Tips (1)

  1. Test the Cloudy Glasses

    To determine if the cloudiness on glass is permanent from etching or can be cleaned away, use one of these tests:

    • Apply a drop of distilled white vinegar to the cloudy glass and rub a small area with a microfiber cloth. If the area is clear when the glass is dry, you will be able to clean away the cloudiness. If it is still cloudy, the glass is permanently etched.
    • Use a sharp edge to gently scrape the cloudy area of the glass. If some particles come loose and some of the cloudiness scrapes away, it is a film that can be cleaned from the glass. If the glass surface feels pitted and remains cloudy after scraping, the glass is permanently etched and will never be clear.

    Say Goodbye to Cloudy Glass Forever With These Cleaning Tips (2)

  2. Soak in Distilled White Vinegar

    Place the cloudy glasses in a sink or large dishpan. Add enough distilled white vinegar or cleaning vinegar to cover the glasses. If you don't have enough vinegar to completely cover the glasses, you can rotate them during the soaking process. Soak the glassware on all sides in the vinegar for at least 15 minutes.

    If you are cleaning a cloudy glass window or object that cannot be soaked, pour undiluted distilled white vinegar in a spray bottle and spritz the glass. Let the vinegar remain on the surface for 15 minutes before wiping it away and cleaning the glass surface as usual.

    Say Goodbye to Cloudy Glass Forever With These Cleaning Tips (3)

  3. Handwash the Glasses

    Drain the vinegar away and handwash the glasses with dishwashing soap and very warm water.

    Say Goodbye to Cloudy Glass Forever With These Cleaning Tips (4)

  4. Rinse and Dry

    Rinse each glass with warm or cool water and immediately dry the glass with a lint-free microfiber cloth. Do not allow the glasses to air dry or water spots may form and start the cloudiness cycle all over again.

    Say Goodbye to Cloudy Glass Forever With These Cleaning Tips (5)

Tips to Keep Glass From Becoming Cloudy

  • Always wash glasses by hand and dry them immediately.
  • Add a water softening system to your home.
  • Pre-rinse glasses used for milk or dairy products before placing them in a dishwasher.
  • Use the proper amount of dishwasher detergent for hard water areas by following the guidelines of your appliance's manufacturer.
  • If using the dishwasher, add a rinsing agent to the cycle.
  • Check the water temperature in your dishwasher. If the water is too hot, it can cook the proteins and cause a cloudy film. If the temperature of the water is too low, it can leave a greasy residue on glassware that also looks cloudy.
  • Clean your dishwasher frequently to prevent mineral build-up that can deposit on glassware.
Say Goodbye to Cloudy Glass Forever With These Cleaning Tips (2024)

FAQs

Say Goodbye to Cloudy Glass Forever With These Cleaning Tips? ›

Soak glass in white vinegar.

How do you make cloudy glass crystal clear again? ›

Apply a drop of distilled white vinegar to the cloudy glass and rub a small area with a microfiber cloth. If the area is clear when the glass is dry, you will be able to clean away the cloudiness. If it is still cloudy, the glass is permanently etched. Use a sharp edge to gently scrape the cloudy area of the glass.

What will clean cloudy glass? ›

Fill a bowl or sink with white vinegar, and submerge the glass in it for at least 15 minutes. If there's not enough vinegar to cover the glass, rotate the dishes so each side gets 15 minutes of exposure.

What is the best dishwasher detergent for cloudy glasses? ›

In addition to Cascade, we also recommend two detergents from Finish: Finish Powerball Tabs and Finish Gelpacs. And we named Member's Mark Ultimate Clean Dishwasher Pacs from Sam's Club a CR Best Buy. A rinse agent can help eliminate water spots, a less severe condition than white haze, and also enhances drying.

How do you remove haze from crystal? ›

Waterford recommends filling the vase about halfway — at least just beyond where the cloudiness ends — with warm water, a small amount of hand dishwashing detergent, two tablespoons of white vinegar and ¼ cup of uncooked rice. Gently swirl the mixture for a few minutes to remove the residue.

How to remove haze from glass windows? ›

Alternatively, you can create a cleaning solution that is equal parts water and vinegar. Spray the glass with the solution: When your solution is ready, place it in the spray bottle and spray the windows. Next, use the microfiber cloth to rub and clean the foggy windows.

How to clean cloudy double pane windows? ›

Drilling a few holes into the window will allow you to tuck a small desiccate packet into the window to absorb any moisture that has been caught between the two panes. The holes also allow you to rinse out the window with rubbing alcohol (isopropyl), to remove any dirt.

How do you reverse cloudy glasses? ›

Set cloudy wine glasses, tumblers or drinking glasses on their sides in the sink or large dishpan. Fill the sink or dishpan with enough vinegar to completely coat each glass and leave them to soak fully immersed for 15 minutes.

How do I get rid of the haze on my glasses? ›

Begin by running your frames under lukewarm water. Then, using mild soap and your hands, wipe down the frames before rinsing them again. After drying your frames with a microfiber cloth, use a disinfectant wipe to clean away any bacteria, focusing particularly on the nose pads and earpieces that touch your face.

How to clean 100 year old glass? ›

Cleaning Old Bottles

However do avoid delicate thin glass for this routine. Fill your bottles with water and let them soak to softens the dirt and debris. You can also use salt, the more coarse the better. Add some dishwashing liquid and warm water to the bottle and give it a good shake and rinse.

What removes cloudiness from glass? ›

Leave the object in vinegar and water overnight to loosen calcium deposits, rinse with water and dry with a microfiber towel. Vaseline or petroleum jelly can sometimes remove light calcium build-up. Let it sit for 4-5 days before removing.

Can you reverse cloudy glasses? ›

Try soaking one of your cloudy glasses in vinegar for about five minutes. Then scrub or wipe vigorously with a nonabrasive pad or cloth, and rinse. If the glass still looks cloudy, it is probably etched — permanent damage that has no remedy. But if you're lucky, the test glass will be clear.

How to remove cloudy film from eyeglasses? ›

Cloudy eyeglasses can be cleaned using warm water, a microfiber cloth, and a suitable cleaning solution. Cleaning sprays designed for glasses work wonderfully, but dish soap can be used as well.

How do you restore crystal glass? ›

Make a crystal glass polish by making a paste using a teaspoon of salt and some white vinegar. Use your hands to rub the paste on the inside and outside of the crystal glass. Let the salt and vinegar break down the residues for 10 minutes. Rinse the glass with warm water and dry it with a lint-free cloth.

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