How To Make Car Wash Soap For Pressure Washer? All Methods Explained

Proper car maintenance is essential to keep up the top-notch performance and shiny exterior. And the best way of keeping the exterior clean is to get rid of dust, dirt, and bird droppings with a pressure washer.

But the pressure washer detergents come with a hefty price tag and can put a dent in your pockets. So, how to make car wash soap for pressure washer easily at a reasonable cost?

Making car wash soap suitable for pressure washers seems like a difficult task, but the process is quite simple. So, if you are looking for cost-effective methods of preparing car wash soap, let me guide you through it. Here, I will talk about the process of making the soap, along with other tips and tricks.

So fasten your seatbelts, and let’s get into it!

How To Make Car Wash Soap For Pressure Washer?

If you are wondering how to make car wash soap for pressure washer, the wait has finally ended. Take a look at some of the best methods of preparing pressure washer soap at a highly affordable price.

Method 1: Water & Baking Soda Mixture


  • Bucket
  • Baking soda
  • Water

One of the most affordable and simple methods of cleaning your car is to mix water and baking soda. Take a gallon of water in a bucket and add about half a cup of baking soda to the water.

Stir and prepare the mixture properly and wash the car with the solution. Baking soda is a natural cleanser and is readily available in the majority of homes.

Method 2: Laundry Detergent


  • Water
  • Bucket
  • Laundry detergent

Laundry detergent is soft on the skin and clothes and is also gentle on the car’s surface without any doubt. These detergents can be found in homes efficiently, and you do not need much to prepare a solution.

Similar to the baking soda mixture, take a gallon of water in a bucket. Pour a tablespoon of detergent into the water and give it a good stir.

Method 3: Dishwashing Soap


  • Dishwashing liquid
  • Borax
  • Water
  • Bucket

Another popular DIY car wash soap consists of the regular dishwashing liquid people use to clean their plates, glasses, etc. However, this method will require borax, dishwasher liquid, and water. But the amount of borax is very small to ensure that it does not damage the paint on the car.

Take a bucket and fill it with a gallon of water. Add a small amount of dishwashing soap to the water along with a teaspoon of borax. Lightly stir the mixture and wash your car with it.

Method 4: Vinegar Solution


  • Bucket
  • Water
  • Vinegar

Last but not least, this car washing solution is the easiest to make and costs very little money. Take half a cup of vinegar and pour it into a bucket of water. Give it a light stir and use it to clean the exterior of the car.

Read Also: Does Car Wash Soap Kill Grass: Busting The Myth

Washing With Car Wash Soap: Tips And Tricks

The paint on the car is gentle and can be damaged easily. There are several tips that protect car paint from getting damaged. Let us discover some tips and tricks that will keep your car safe and shiny.

Do A Patch Test

Before letting the pressure washer do its job with the car wash soap, make sure to test it. Select a small area of the car and conduct a patch test with the cleaning solution. Apply the cleaner and rinse it off to check whether it affects the surface of the vehicle.

Avoid Chemical Cleansers

One of the top tips for securing the exterior of your vehicle is to avoid harsh chemical cleaners. Not only are these cleaners highly expensive, but they also cause damage to the exterior of the car. Make sure to read the ingredients used in the cleaner or detergent are safe and gentle.

Adjust the Pressure of the Washer

Adjusting the pressure of the pressure washer is important to make sure that the paint is not damaged in any way. High pressure can cause the car paint to be ruined. Before turning the washer on, adjust the pressure and choose a suitable nozzle for the job.

3 Benefits Of Making Car Wash Soap For Pressure Washer At Home

Many people wonder about the benefits of preparing car wash soap at home. There are several outstanding advantages of making car wash soap. Take a look at some of these DIY pressure washer car soaps.

Gentle On Skin

Typical car wash soaps from stores often contain chemicals. These chemicals are quite harsh on the skin and result in allergies, rash, and so on. Homemade car wash soaps are made of household items and products that are safe for the skin. These items do not contain any harsh chemicals.


One of the major benefits of making car wash soap is that it is highly cost-effective. Pressure washer detergents available in the market come with a high price tag. This high price amounts to a high cost for people who own more than one car. Manufacturing these soaps at home help to save money as the required items are usually available in our homes.

Environmentally Friendly

Another significant advantage of using homemade soaps is that they are environmentally friendly. Many owners are concerned about carbon footprint and the environment, but washing the car with a pressure washer is essential. To reduce your contribution to carbon footprint, using homemade car wash soap is a great idea.

Are DIY Car Wash Soap Better Than Chemical Cleaners?

Many car owners prefer to skip the hassle of preparing a mixture by purchasing chemical cleaners for pressure washing. DIY car wash soaps are gentle on the exterior finish and better than harsh chemicals. These chemical cleaners contain high levels of alkaline and phosphate solutions which attack the car’s finish and cause damage.

Related Questions

At this point, you must be scratching your head with a number of queries. In this section, we will discuss some of the most common ones people have when making the soap.

Can Baking Soda And Water Clean The Car?

Baking soda is a natural cleanser and has the ability to break down tough stains and dirt. The water and baking soda mixture is an affordable and easy way of cleaning the vehicle. However, you will have to make sure that the mixture is diluted to avoid damage.

Should I Wash The Interior Of The Car With Cleaning Soap?

Putting water or soap on the interior of the car can cause significant damage to the mechanism and electronics. Handheld vacuums are a great way of cleaning the interior of the vehicle. Not only that, but a wet cloth can also help to remove stubborn stains from the interior.

Can I Put Vinegar Directly In The Pressure Washer?

Vinegar is a highly acidic solution and must not be put in the pressure washer directly. This is because the acidic properties can significantly damage the pressure washer along with the car’s finish. Make sure that the vinegar is properly diluted before putting the mixture in the pressure washer.

Final Thoughts

Car washing is an essential part of vehicle maintenance and ensures a beautiful exterior look. While pressure washers do an exceptional job, cleaning soaps are highly expensive. Now that you know how to make car wash soap for pressure washer, I hope you can easily clean your car without spending large amounts.

Make sure to prepare the mixtures properly and avoid the use of harsh products and chemicals. Follow the tips, and do not forget to do a patch test before starting the cleaning process!

Related Post: How To Make Car Wash Soap For Pressure Washer? All Methods Explained

Leave a Comment