As hard water evaporates, it leaves traces of minerals that appear white when dry.

The longer the mineral deposits remain on a car, the harder they stick.

So, it’s important to remove water spots as soon as possible.

How to Remove Water Stains From Your Car

The Spruce / Michela Buttignol

Do not wash a hot vehicle.

Then, rinse out the mitt in the clean-water bucket.

Re-soak the mitt in the soapy water, and continue washing.

Materials needed to remove water spots from a car

The Spruce / Sanja Kostic

Rinse the Car With Fresh Water

Rinse the vehicle thoroughly with clean water from the hose.

Start at the top and rinse the suds downward, making sure that no suds remain.

After using the chamois, clean off the rest of the water with the microfiber towels.

Car in the Shade

Veni, Vidi…Shoot / Getty Images

So, it should come as no surprise that vinegar can help clean water spots from car paint.

White vinegar is mildly acidic, making it an effective opponent to alkaline mineral deposits.

Spray the Car

Saturate the glass or car body by spraying the compound thoroughly across the surface.

White buckets with hose and red sponge to wash and dry car

The Spruce / Meg MacDonald

Add more 50/50 solution, as needed to immerse the towel.

Let it rest for about two minutes, then use the same towel to scrub away the water spots.

Frequently change out the towels so that you are always working with a dry towel.

Wiping the car hood with a soft mit

The Spruce / Sanja Kostic

Water spot remover costs about $30 per gallon.

Clean, distilled water is the base, withmineral oiladded as a lubricant.

Additional ingredients may include solvents, absorbents, buffers, and conditioners.

Spraying the car with a hose

The Spruce / Sanja Kostic

Avoid using water spot remover on flat or matte surface paint jobs.

Detailing clay is used with a lubricant that is included with the product.

This specialized clay is best for smaller, localized sections of water spots.

Wiping the car hood dry

The Spruce / Sanja Kostic

Apply the Lubricant

Apply lubricant to the vehicle surface with the spray bottle.

Keep the lubricant nearby to re-lube the vehicle when it dries up.

Clay the Car

Start by softening a pliable bar of clay in your hands.

Mixing a 50/50 vinegar and water solution

The Spruce / Sanja Kostic

Working in small areas, rub the clay on the painted surface of the car.

Frequently knead the clay to get a new, clean surface, then begin claying again.

If you drop the clay, throw it away and use a new bar.

Spraying the windshield with vinegar

The Spruce / Sanja Kostic

Consider using a synthetic clay mitt or clay sponge.

These reusable tools can be easier to work with than clay bars.

Claying removes physical contaminants.

Filling a bucket with water and vinegar

The Spruce / Sanja Kostic

Wash and Dry

After claying the car, rinse it off with fresh water.

Wash the car again.

After detailing, the car is ready for wax or other coatings.

Laying a flat towel over water spots

The Spruce / Sanja Kostic

Water spots on cars are not permanent but the damage can be.

Rinsing the car off with a hose

The Spruce / Sanja Kostic

White cloth scrubbing front glass window with red commercial water spot remover

The Spruce / Meg MacDonald

Using spot remover on a car hood

The Spruce / Sanja Kostic

Using Detailing Clay on a Car

Meg McDonald / The Spruce

Wiping away the spot remover

The Spruce / Sanja Kostic