Can you use Dish Soap in a Pressure Washer? | Patio destinations

Can you Use Dish Soap in a Pressure Washer

It is a Saturday morning, a cleaning day for most homes around the world. There are lots of cleanings to do, involving the use of a pressure washer. However, when it was time to wash you discovered the pressure washer soap has finished and getting a new one would maybe take about an hour drive to and fro. You look around and dish soap is the best alternative, which brought about the question can you use dish soap in a pressure washer?

Yes, dish soaps are usable in pressure washers; however, these soaps need to be properly diluted with water before it is used. Aside from cleaning dishes with these soaps, they contain components that help removes stains, greases, and dirt from any surfaces, especially when use in a pressure washer.

One of the best dish soaps to use in a pressure washer is the dawn dish soap which is believed to be one of the best in the market. It is nicknamed “soap of all soap” as a result of its super cleaning abilities especially at removing stains, grease, and other oils from various surfaces.

Despite the effectiveness of this soap when used in a pressure washer, knowing that it would never be as effective as a soap made specifically for pressure washers is crucial. This is because these soaps are made to combat hard stains and also make the cleaning job easier.

Also, dish soap that is not properly mixed can cause damage or clog the pressure washer. Such practice is against many manufacturers operating manual and may lead to a void in warranty.

Anyway, if you are still interested in using dish soap in your pressure washer, below is a detailed guide to help you out.

Is Dawn Safe for a Pressure Washer?

Can you use dish soap in a pressure washer

Dawn dish soap is considerably safe for pressure washers if you know how to properly use it. Instead of buying extra soap for your pressure washer, this cleaning agent can get the work done at no extra cost.

Dawn dish soap has been applauded for removing grime and grease from the outer shroud of a gas grill and dirt from external car surfaces. It is also effective in cleaning patio, paver surfaces, and fences around the home. Also, this soap is safe for plants and biodegradable; Basically, this soap is non-toxic.

Using this soap will save you the expense of getting a designated soap for your pressure washer.

However, soaps made for pressure washers are lighter in texture when compared to dishwashing soaps. Also, these soaps comprised of different solutions which made it effective at removing stubborn stains from any surface.

How to Dilute Dawn Dish Soap for Pressure Washer

If you are still interested in using dish soap on your next pressure washing project, here’s how to do it:

  1. Get a dish detergent that has a degreaser like Dawn Dish Detergent.
  2. Mix 1/3 cup of the dish soap with 1 gallon of water. You can eyeball it, but ensure the soap is not too much, because it will make your mixture too sudsy and soapy.
  3. Ensure the soap mix completely with the water so the soap does not damage the machine.
  4. Now you can use the mixture to clean any surface you want; when this mixture is sprayed, leave it for a while, but do not let it dry before rinsing it away.
  5. Be certain to rinse all the soap and residue away.

Why You Might Not Want to Use Dish Soap in Your Pressure Washer

In most cases, dish soaps will get the job done. However, various pressure washing soaps are available for purchase for a reason. Perhaps, because different surface requires different types of cleaning agents for the best result. Nonetheless, there are some disadvantages of using dish soap in your pressure washer, which are stated below:

  • It may not be effective on some surface
  • It can clog the tubing and other parts of your pressure washer
  • These soaps are not good for cars
  • It can get overly soapy
  • Requires some level of knowledge for adequate use

What Kind of Soap can use in a pressure washer

There are different designated kinds of soap to use for a pressure washer. These soaps or cleaning agents are made to clean different surfaces for the best results. They are made specifically for pressure washers and for a specific cleaning purpose.

These soaps are lighter in texture and do not need to be mixed with water before it can be used. Irrespective of the type of cleaning you want to do, there is a specific soap for it. Also, there is a multipurpose soap for other unspecified cleanings you want to do. Some of the specialized cleaning soap categories include:

  • Siding cleaners
  • Vehicle cleaners
  • Deck and fence cleaners
  • Concrete cleaners
  • Multipurpose cleaners
  • Mold cleaners

Homemade Pressure washer soap – DIY pressure washer soap

Can you Use Dish Soap in a Pressure Washer

It is usually fascinating doing various home projects yourself, the excitement that comes with the positive result is unquantifiable. Doing your pressure washer soap yourself will save you some dough that can be used for other stuff in the home.

Carrying out this project requires using various common household cleaning agents. For a general or multipurpose pressure washing soap, mix together one gallon of water, 2/3 cup of household cleaner, one cup vinegar, and 1/3 cup of phosphate-free laundry detergent (powder).

Additionally, many household multipurpose cleaners are also usable with your pressure washer. To do this, mix about 1 ounce of cleaner per 1 cup of water or about 2 cups per gallon. You can increase the amount for a heavy-duty job or decrease it for a lighter-duty job.

This solution can be used to carry out various cleaning jobs around the home. However, if you are looking to do more sophisticated cleaning, read here for various DIY pressure washer soaps.


There are many situations that bring about the thought of going for alternative options. As explained above, you can use dish soap in a pressure washer, but you need to know how to properly mix it to avoid damaging or clogging the machine.

However, using the designated soap for pressure washers is usually better and safe. If you don’t understand how to mix a dish soap for the pressure washer, it is advisable not to try this process.


Please enter your comment!
Please enter your name here