How to use the snow foam with the pressure washer? Everything you need to know - Quick tool tips (2023)

To use snow foam with a pressure washer, select the appropriate snow foam product, attach a foam cannon or dispenser, and apply the foam evenly to the surface. Allow the foam to remain, then rinse and dry the surface thoroughly for optimal cleaning results.

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(Video) 5 Tips On How To Choose and Operate your Foam Cannon - Chemical Guys Car Care

How to use the snow foam with the pressure washer? Everything you need to know - Quick tool tips (1)

(Video) How to Snow Foam Your Car - AMDetails Guide

Understanding snow foam cleaning applications

Snow foam is a thick, foamy detergent solution specially designed for use with pressure washers for effective cleaning of various surfaces. It is especially popular for cleaning vehicles as it can safely remove dirt, grime and debris without damaging the paint.

Benefits of foam snow

  • Gentle on surfaces: Thick foam removes dirt and grime from the surface, reducing the risk of scratches and swirl marks.
  • Effective cleaning: Snow foam adheres to surfaces for a long time, allowing the cleaner to break down dirt more effectively.
  • Versatile: Snow foam can be used on a variety of surfaces, including vehicles, outdoor furniture, and home exteriors.

"Snow foam is a thick, foaming detergent solution specially designed for use with pressure washers for effective cleaning of various surfaces."

Choosing the right snow foam for your job

Choosing the right snow foam is essential to achieve optimal cleaning results. There are many snow foam formulas available, each designed for specific cleaning tasks.

Snow foam with neutral pH

A pH neutral snow foam is gentle on surfaces and is an excellent choice for regular vehicle cleaning and maintenance. It is safe to use on paint, glass and plastic surfaces.

(Video) Get Thick Snow Foam With Karcher Pressure Washer (How To Mix And Use)

Heavy duty snow foam

For more difficult cleaning jobs, such as removing stubborn dirt and grime, heavy-duty snow foam is a better choice. It is designed with stronger cleaners and is ideal for cleaning heavily soiled surfaces.

Snow foam for all purposes

All Purpose Snow Foam is a versatile choice suitable for a wide range of cleaning tasks including home exteriors, outdoor furniture and vehicles. However, it may not be as effective on heavily soiled surfaces compared to heavy-duty snow foam.

Table: Types of snow foam

neutral pHRegular cleaning and maintenance of vehiclesGentle on surfaces, safe for paint, glass and plastic
Heavy dutyRemoves stubborn dirt and grimeStronger cleaners, ideal for heavily soiled surfaces
For every useFlexible cleaning tasksSuitable for a wide range of surfaces including home exteriors and outdoor furniture

Preparing the pressure washer for use with snow foam

To use snow foam with a pressure washer, you will need to attach a foam cannon or foam lance to the pressure washer. This attachment mixes snow foam solution with water and air to create a thick foam that can be applied to surfaces. Here's how to prepare your pressure washer for snow foam use:

Attach the foam cannon or foam lance

  1. Turn off the pressure washer and disconnect the high pressure hose and spray gun.
  2. Attach the foam cannon or foam lance to the pressure washer gun or lance, ensuring a secure fit.
  3. Fill the foam cannon container with the recommended amount of snow foam concentrate and water, following the manufacturer's instructions.

Adjust the Foam Cannon settings

Most foam cannons have adjustable settings that allow you to control the foam thickness and spray pattern. Experiment with these settings to find the best combination for your cleaning job.

  1. Adjust the thickness of the foam by turning the knob on the top of the foam cannon. Turning it clockwise will produce a thicker lather, while turning it counterclockwise will produce a thinner lather.
  2. Modify the spray pattern by twisting the nozzle on the front of the foam cannon. You can choose between a wide fan pattern for large surfaces or a narrow jet pattern for more precise cleaning.

"Attach a foam cannon or foam lance to your pressure washer to efficiently apply snow foam to surfaces."


Apply snow foam with proper technique

Once the pressure washer and foam cannon are in place, follow these steps to apply snow foam to the surface you are cleaning:

  1. Pre-rinse the surface with water using the pressure washer to remove any loose dirt and debris. This will help the snow foam adhere better and be more effective at cleaning.
  2. Turn on the pressure washer and start spraying the snow foam on the surface, starting from the bottom and working your way up. This technique helps prevent streaking and ensures full coverage.
  3. Apply a generous layer of foam, making sure the entire surface is covered. The foam should adhere to the surface for several minutes, allowing the cleaners to break down dirt and grime.
  4. Allow the snow foam to remain on the surface for the recommended amount of time, usually 5-10 minutes. Avoid letting the suds dry on the surface as this can make rinsing more difficult.
  5. While the foam remains, you can use a soft brush or microfiber mitt to gently agitate the surface, helping to further loosen dirt and grime.

Rinse and dry after applying snow foam

After the snow foam stays on the surface and does its magic, it is necessary to rinse and dry the surface properly. Here's a step-by-step guide to rinsing and drying after using snow foam:

Rinsing the Surface

  1. Remove the foam cannon attachment from the pressure washer and reattach the high pressure hose and spray gun or lance.
  2. Turn on the pressure washer and start rinsing the surface with clean water, starting from the top and working your way down. This method helps prevent streaking and ensures that all foam residue is removed.
  3. Make sure all scum and loose dirt is washed away, leaving the surface clean and free of residue.

"Always thoroughly rinse the surface with clean water after applying snow foam to remove any foam and dirt residue."

Surface drying

  1. For vehicles, use a microfiber drying towel or special car drying tool to gently dry the surface. Start at the top and work your way down, using a dabbing or patting motion rather than rubbing the towel all over the surface.
  2. For other surfaces, such as walls or outdoor furniture, you can either let the surface air dry or use a clean, soft cloth to wipe off any remaining water.

Table: Rinsing and drying process

StepEditing, processTips
1Rinse the surfaceStart at the top and work your way down
2Remove foam and dirtMake sure all the scum and dirt is washed away
3Dry the surfaceUse a microfiber towel or let it air dry

By following these steps, you can effectively use snow foam with a pressure washer for various cleaning tasks. Note that snow foam is best used as a pre-wash treatment and may not remove all stubborn stains or dirt by itself. It is necessary to follow a thorough washing or cleaning procedure if necessary.

Basic Takeaways

  • Snow foam is a powerful cleaning solution that helps loosen and remove dirt, grime and grime when used with a pressure washer.
  • Choosing the right snow foam product is vital to achieving the best results for your particular cleaning job.
  • Always make sure your pressure washer is compatible with foam cannons or dispensers and follow the manufacturer's recommendations for installation and use.
  • Apply snow foam using the proper technique, covering the surface evenly and letting it sit for the recommended amount of time.
  • Rinse thoroughly and dry the surface after using snow foam to avoid streaks and residue.


Using snow foam with a pressure washer can greatly improve cleaning results by providing a pre-wash treatment that loosens and lifts dirt, grime and grime. By choosing the right snow foam product, preparing your pressure washer, applying the foam correctly, and rinsing and drying the surface afterward, you can achieve professional-quality cleaning results with minimal effort.

(Video) How to get MORE FOAM from your Foam Cannon | Car Detailing Tips and Tricks | Pressure Washing

Continue reading

  1. How to wash a car with a pressure washer? Everything you need to know
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  3. Why does my pressure washer have no pressure?
  4. How to Fix a Pressure Washer That Keeps Losing Pressure


Can you use snow foam with any pressure washer? ›

Typically, snow foam is applied with a pressure washer, but other tools can also be used in absence of a pressure washer. A handheld foaming pump sprayer or a foam cannon attached to a garden hose will achieve a similar effect. Read on to learn more about using snow foam without a pressure washer.

Do you rinse off snow foam before washing? ›

Unlike a car shampoo, snow foam doesn't contain any lubricant to help cloths glide over your car's surface, so wiping it off can cause scratches on your paintwork. Always rinse off your snow foam with a hose or a pressure washer.

Do you dilute snow foam in pressure washer? ›

Perhaps the most critical aspect of a snow foam is the dilution ratio. Whether it's coloured snow foam or not, you don't want to make the mistake of using an overly concentrated mixture. Most professionals will advise you to mix snow foam and water in a 1:10 ratio.

Do you wet car before snow foam? ›

We always recommend spraying snow foam onto a wet car. This way you can get most of the top layer of dirt off the car before the foaming starts. So fire up the pressure washer and give your motor a quick rinsing down.

How long do you leave snow foam on? ›

You simply spray the car until it's coated in foam, leave it for five-minutes (not in direct sunlight), then return to rinse it all off with the regular lance back on your pressure washer. During those five minutes, the foam should lift off the nastiest bits of dirt, taking the grime with it when it's power-washed off.

How much soap do you put in a foam cannon? ›

Put 3 to 4 ounces of foam soap into your Foam Cannon reservoir, and fill the rest with water. Shake well to mix the soap into the water. Using a car safe pressure washer tip, thoroughly rinse the vehicle, making sure to spray off any large clumps of dirt or debris.

Can you use snow foam with a hose? ›

The Snow Foam Gun V2

Plugs straight into your garden hose to apply a wet, fluffy foam to pre-wash and contact wash your vehicles.

Does snow foam work with a normal hose? ›

All you need is a garden hose to attach it to. It works with any standard garden hose and produces a considerable amount of foam to lubricate your car's surface. The mounds of suds this Snow Foam Gun creates reduces the amount of friction, rubbing and scrubbing the paint surface is exposed to during a traditional wash.

Do you sponge after snow foam? ›

Snow foam needs to be sprayed onto your car and left to settle on its paintwork. You shouldn't try and wipe off snow foam with a cloth or wash mitt as it doesn't have any ingredients to help it slide over the car's paintwork, which can lead to swirls or scratches.

Do you mix snow foam with warm water? ›

Many people forget about this step, but it's key to getting thick snow foam; put your snow foam liquid into the snow foam lance bottle and mix it with some warm water. This will help the liquid activate, giving you the thick, clingy foam that you're after.

What do you use after snow foam? ›

The formula in snow foam will immediately encapsulate small particles of dirt so the contaminants will simply run off the vehicle. But don't forget that snow foam is only a pre-cleaner. You will still need to wash your vehicle with water and car shampoo after rinsing off the snow foam.

What is the best PSI for snow foam? ›


Water Supply – The pressure washer should be rated 1,800 psi to 3,200 psi and at least 1.75 gpm flow for optimal foam production and application. If the water supply is insufficient, it can starve the pressure washer, resulting in poor snow foam production. Be sure the supply hose isn't kinked.

What is best pressure for snow foam? ›

The majority of snow foams come in a concentrated formula, which requires diluting with water. This allows the pressure washer to create a thick foam, which lifts the dirt away. For best results, a pressure washer rated between 125- 220 bar should be used.

Why is my snow foam not foamy? ›

Your pressure washer does not have enough PSI or water flow.

If your machine is under this, you may need to add more Snow Job foam wash to compensate for it.

Why is my snow foam not sticking to my car? ›

If the car's surface is too hot, it'll cause the bubbles in the foam to pop, so it won't cling to your car for as long. Make sure your paintwork isn't too hot before applying snow foam for the best results.

Can you use snow foam on wheels? ›

SNOW FOAM the car from top to bottom to remove or soften grit which is on the car. Leave for 5 minutes and then pressure wash off from top to bottom again. While the foam is sitting, clean the wheels. Use a wheel cleaner, wheel brush and separate sponge to clean the wheels correctly.

Do you foam cannon before or after rinse? ›

Make it easy on your car and foam cannon by rinsing your vehicle before you start foaming it! By rinsing your vehicle, you are removing the largest dirt and debris, so they never have a chance to be rubbed into the paintwork.

Why isn't my snow foam thick? ›

Snow foam thickness is highly dependent on a number of outside factors, including water hardness and pressure, so you might need a stronger mix. Try mixing it with 2 parts water or even a 50/50 mix and see how you get on. It'll take a bit of experimenting the first time, but after that, you'll be sorted.

Can you use snow foam in the rain? ›

The ideal time to apply snow foam is in warm, slightly humid weather. You can use it in other weather conditions but there are a couple of things to bear in mind. Firstly, if it has been raining that day, make sure the car is fully dry first before applying (see item 2). Secondly, don't use it in very hot weather.

Does snow foam remove dirt? ›

Snow Foam is a Pre-Wash product that helps to break down and remove dirt and grime which accumulates on your cars paintwork, making this a great first step to washing a dirty car as you don't have to make contact with the paint surface with a wash mitt or sponge.

Is it better to have higher or lower PSI in snow? ›

Reducing air pressure will not give you more traction and your tires could become seriously underinflated, affecting steering. Keep in mind that every time the outside temperature drops 10 degrees, the tire air pressure goes down about one pound per square inch.

Does snow foam remove brake dust? ›

Purple by Snow Foam. The Magic That Dissolves Brake Dust & Doesn't Send Your Nose Bust. Working best on your wheels and on your paintwork for iron decontamination, Purple is pH neutral and safe for your car yet strong in dislodging the unwanted brake dust and iron we all experience.

What is the best mixture for a foam cannon? ›

Although soaps aren't incredibly expensive, you can really burn through it fast when using a cannon. I like to mix with hot water for better foam but have found out that filling the whole bottle at a 10:1 ratio is actually twice what I need to spray my car.

What flow rate for snow foam? ›

Thick luxurious Snow Foam is desired by many car enthusiasts and today we look into how to achieve just that. You want a high water flow rate, as close to 8L/m or more with a strong pressure rating preferably above 1800W and 2000psi.

Does snow foam damage grass? ›

A: No, it won't.

What is the ratio of snow foam to water? ›

You should use a (roughly) 3:1 mix of water and Snow Foam, with three parts of water for every one part of foam liquid. The exact quantities can vary, as the thickness of the foam can be affected by the settings of your lance as well as water hardness.

Can you use foaming soap in a pressure washer? ›

You can even just use foam soap and a pressure washer to clean lightly soiled vehicles, without any scrubbing with a wash mitt. It can also help to minimize scratching on your vehicle, as the foam will lift away and encapsulate dirt on the vehicle.

Do I need a foam cannon if I have a pressure washer? ›

If you do have a pressure washer and don't mind a little extra setup time each wash, then the Foam Cannon is going to perform best and offer the most amount of safety when washing. Either option is better than none though, so you can't go wrong with either a Foam Cannon or a Foam Gun!

What pressure should snow foam be? ›

The majority of snow foams come in a concentrated formula, which requires diluting with water. This allows the pressure washer to create a thick foam, which lifts the dirt away. For best results, a pressure washer rated between 125- 220 bar should be used.

How much soap do you put in foam cannon? ›

Mix 1 – 3oz of your favorite Chemical Guys soap and water into the canister of the foam cannon. We always use warm water because it helps the aerate mixture better. Reattach the canister to the head of the foam cannon.

Is foaming soap just watered down liquid soap? ›

Foaming hand soap is actually just a form of liquid hand soap. It is diluted liquid soap that is infused with air to create a rich and foamy lather as it leaves the dispenser. As such, specialized dispensers are required to use foaming hand soap properly.

What kind of soap do you use for pressure washer foam cannon? ›

If you're looking for the best foam cannon soap that delivers extra thick suds, Platinum Wash is what you're looking for. Besides producing the thickest foam, this concentrated detailing soap is packed with neutral pH cleaning power.

Do you need a special soap dispenser for foaming soap? ›

If you have been contemplating adding a foaming hand soap to your regular dispenser, you should understand that the foaming will require a special pump. Still, you may fill it with a diluted regular soap. That is if you can't change the pumping mechanism of your standard dispenser.

How much PSI is needed for a foam cannon? ›

A pressure washer with sufficient volume and pressure – Foam cannons generally require a minimum of 1100 PSI and 1.5 GPM output, though higher quality and performance foam cannons will usually require 1500 PSI minimum with 2 GPM output, typically the maximum PSI will be around 5000 PSI and 5 GPM but this can vary ...

How much PSI can a foam cannon handle? ›

The Professional Max Foam 8 Cannon works with any gas or electric pressure washer 500-3,500 PSI. Never exceed 4,200 PSI with either cannon. Minimum 1.4 GPM; 2.0 GPM recommended; Never Exceed 5.3 GPM.


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