How to Make Your Own Winter Windshield Washer Fluid

How to Make Your Own Winter Windshield Washer Fluid

When winter comes, you should prevent your windshield washer fluid from freezing. When it happens, it will affect the health of your vehicle.

When the washer fluid freezes, the hose will come to the point of being ruptured. So you would need to spend a lot of money for the repair.

The good thing is that you can make your own mixture that would ensure that the washer fluid you use during cold temperatures won’t be frozen. There are different mixtures you can make.

Different Mixtures of Windshield Washer Fluid for Winter 

1. Vodka and White Vinegar

Using washer fluid made for warm weather during winter is not a wise thing to do. Another failure can happen when you use the combination of window cleaner and window. 

Both of them will bring disaster to the vehicles nozzle and hoses. You can tweak the combination of ingredients when making the washer fluid for winter days.

You can integrate alcohol to the solution as this substance is expected to freeze at a lower temperature compared to water. So alcohol doesn’t surrender to coldness easily.

You can use rubbing alcohol, but you can replace it with high-proof vodka. Both of these options will not allow the solution to be frozen, and here’s how to do it.


Large jug or gallon

White vinegar


Distilled water


1. Put the distilled water in the vessel. The water should take the 3/4 space of the jug.

2. Add white vinegar into the vessel and leave some space for other ingredients.

3. Add a cup of vodka into the mixture. Check if the mixture can stand the cold by putting it outside overnight.

If it becomes frozen, there’s a need to add more vodka.

2. All Season Washer Fluid with Alcohol and Castile Soap

Rubbing alcohol in a cold climate is used to de-ice. The commercial made can be expensive, so it’s a good thing that you can make it on your own without the need to spend a lot.

You can add more alcohol so it won’t reach the freezing point.


Castile soap

Rubbing alcohol

Distilled water

Large jug


1. A gallon of distilled water should be placed first in the vessel. Add 8 oz of rubbing alcohol and mix them well altogether.

2. Add Castile soap. You can ditch the dish soap as Castile soap has natural components that are safe for your car.

3. Sticking with White Vinegar when Making Winter Windshield Washer Fluid

Vinegar is a cleaning substance that is common to homes. Its usage goes out of houses to applied to vehicle parts.

White vinegar is the ideal one, as it won’t leave a stain. It will be smelly when you use it during warm summer days or in a warm climate. 


1. Get a jug with a space that is equal to a gallon. 

2. The distilled water that you should add is in the measurement of 3/4 gallon.

3. You can mix all of the ingredients together by shaking.

4. You can make a test by applying the mixture in a small area. You can also let it rest outside overnight.

If it becomes frozen, you have to add two more cups of vinegar to the solution. 

4. Washer Fluid for All Season with Ammonia and Soap

You would surely make this any time of the year as it can stand all types of weather. But this mixture will do fine with cool weather. Unfortunately, it doesn’t have strength for cold weather.


Large jug

Distilled water


Dish soap


1. Fill a large vessel with a single gallon of distilled water. Mix one tablespoon of dish soap and let them combine well.

Choose a dishwashing soap that doesn’t create streaks as it might bring flaw to the clarity of the windshield.

2. You can pour half a cup of ammonia to the mixture. The final product will not only clean your windshield, but it can withstand cool weather.

Final Say

You have to store the washer fluid that you made in a room with a consistent temperature. You can use a permanent marker to label the containers. You should keep it away from the reach of your pets and children. 

Testing the solution before using it during cold weather will make you avoid frozen washer fluid and, most of all, spending a lot on repairs.

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