Best Foam Cannons of 2025

Bryan Hicks Avatar
Bryan Hicks
Last Updated: Jan 17, 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Foam cannons are a popular accessory among car enthusiasts and professional detailers. These devices are designed to attach to a pressure washer and produce a thick layer of foam, which helps to loosen and remove dirt, grime, and other contaminants from the surface of a vehicle. Foam cannons not only enhance the efficiency of the cleaning process but also reduce the risk of scratching or marring the paintwork. With adjustable settings, they allow users to control the amount of foam produced, making them suitable for a wide range of cleaning applications.

At a Glance: Our Top Picks

Tool Daily Foam Cannon with Adjustable Nozzle and 5 Tips Cover #TOP 1
Tool Daily Foam Cannon with Adjustable Nozzle and 5 Tips
ftb score rating icon 9.8
AstroAI Foam Cannon Cover #TOP 2
AstroAI Foam Cannon
ftb score rating icon 9.7
Tool Daily Short Pressure Washer Gun with Foam Cannon Cover #TOP 3
Tool Daily Short Pressure Washer Gun with Foam Cannon
ftb score rating icon 9.5

Top 10 Foam Cannons

#TOP 1

Tool Daily Foam Cannon with Adjustable Nozzle and 5 Tips

Tool Daily
1/4'' Quick Connect
Tool Daily Foam Cannon with Adjustable Nozzle and 5 Tips Cover
Tool Daily Foam Cannon with 1/4 Inch Quick Connector, 1 Liter, 5 Pressure Washer Nozzle Tips

The Tool Daily Foam Cannon is an adjustable snow foam lance that comes with 1/4" quick connection fitting and a container capacity of 1 liter/0.22 gallon. It is easy to install and use, allowing you to adjust the foam dispensing amount and nozzle for accurate mixing and foam generation. It also comes with 5 nozzle tips with different angles for various applications such as car washing, roofs, driveways, siding washing, and more.

What We Like
Produces thick, even foam
Easy to adjust nozzle
Includes multiple pressure washer tips
Durable construction
Great value for the price
What We Don't Like
Foam reservoir depletes quickly
Some may experience flow issues
#TOP 2

AstroAI Foam Cannon

ASIKFCWR
AstroAI Foam Cannon Cover
AstroAI Foam Cannon, Heavy Duty Car Foam Blaster Wide Neck Adjustable Snow Foam Lance and Thick Foam for Pressure Washer with 1/4" Quick Connector,1L Bottle

The AstroAI Foam Cannon is a heavy-duty car foam blaster that provides a convenient and efficient way to wash your vehicle. With its big mouth design, you can easily pour soap liquid into the bottle without any waste. The adjustable nozzle allows you to create thick foam and adjust the spray pattern according to your needs. The human-centered design features an upgraded filter block for maximum protection against damage from foam or water particles. The foam cannon is compatible with most pressure washers and can be used for various cleaning tasks such as washing cars, bikes, motorcycles, floors, windows, driveways, roofs, and siding. Its excellent foaming performance and adjustable spray angle ensure that every nook and corner is thoroughly cleaned. With the AstroAI Foam Cannon, you can achieve professional-level cleaning results with ease.

What We Like
Thick foam production
Easy setup and use
Durable build quality
Adjustable foam settings
Great value for money
What We Don't Like
Occasional watery foam
Draw tube design issue

Tool Daily Short Pressure Washer Gun with Foam Cannon

TD-001
Tool Daily Short Pressure Washer Gun with Foam Cannon Cover
Tool Daily Short Pressure Washer Gun with Foam Cannon, 1/4 Inch Quick Connector, with 5 Pressure Washer Nozzle Tips, 1 Liter

The Tool Daily Short Pressure Washer Gun with Foam Cannon is a versatile accessory with a maximum pressure of 4000 PSI and a maximum flow rate of 8 GPM. It comes with adjustable snow foam lance, 5 nozzle tips, and a 1-liter container capacity. The adjustable nozzle can create an accurate mixing and foam generation, making it ideal for motorcycle, car washing, roofs, driveways, siding washing, floors, and windows washing. With M22 fittings, it is compatible with most pressure washer brands, except garden hose, water hose, or faucet.

What We Like
High foam production
Easy to use
Sturdy construction
Good value for money
Versatile with cleaning solutions
What We Don't Like
Adjustment issues reported
Variable foam thickness
#TOP 4

Blackline Foam Cannon

31010015
Black
34 oz
Blackline Foam Cannon Cover
Blackline Foam Cannon for Pressure Washers (Wide Mouth), Durable Foam Sprayer for Safe Car & Truck Washing, Easy to Use & Adjust, Creates Thick Foam, 1L Bottle & Snow Foam Lance w/ 1/4" Quick Connect

The Blackline Foam Sprayer is designed to enhance your car washing experience. Its advanced high-foam aeration system produces a thick layer of foam using minimal soap, ensuring effective cleaning. You'll appreciate the adjustable foam fan that allows you to switch between vertical and horizontal sprays, making it easy to reach every part of your vehicle. The large mouth design prevents spills during filling, saving you time and hassle. With its sturdy construction, this foam cannon stands easily, whether full or empty, making it user-friendly and practical for any car enthusiast.

What We Like
Thick foam production
Effective with the right soap
Great for professional detailing
Fast coverage of vehicles
Good balance when setting down
What We Don't Like
Hard to see liquid level
Potential leaks from reservoir
#TOP 5

McKillans Foam Cannon

RH-G6RF-BQ84
Brass
Wide Mouth Bottle
McKillans Foam Cannon Cover
McKillans Foam Cannon for Pressure Washer (Wide Mouth) - Car Wash Snow Foam Cannon Lance Pressure Washer Soap Dispenser for Car Washing with Adjustable Thick Foam + 1/4 Quick Connector

The McKillans Foam Cannon offers a wide mouth design that makes it easy for you to mix soap, ensuring stability while you wash. Its thick foam effectively lifts dirt and contaminants, providing a gentle yet thorough cleaning that leaves your car shining. The durable construction features high-quality brass connectors and a strong, translucent plastic bottle, allowing you to monitor the soap level. Plus, you can easily adjust the foam output and stream angle to suit your preferences, giving you control over your car washing experience.

What We Like
Excellent foam generation
Adjustable foam thickness
Convenient quick connector
High-quality, durable materials
Wide mouth for easy filling
What We Don't Like
Requires trial and error for soap mix
Initial setup might need attention
#TOP 6

MTM Hydro PF22.2 Foam Cannon

14.7022
MTM Hydro PF22.2 Foam Cannon Cover
MTM Hydro PF22 Foam Cannon with Wide Mouth Bottle for Pressure Washer

The MTM Hydro PF22.2 Foam Cannon is the perfect accessory for your pressure washer. With its 32 oz. standing bottle, you won't have to worry about spills or tipping. It attaches easily to your pressure washer and provides a maximum PSI of 1100-5000, making it ideal for both home and professional use. This foam cannon is great for washing vehicles, boats, siding, houses, fences, sidewalks, and roofs. It features adjustable fan blades and a 2-stage nozzle, allowing you to spray vertically or horizontally. The chemical injection knob lets you control the foam output, so you can create thick, dense foam to remove even the toughest dirt and grime. With the MTM Hydro Foam Cannon, you'll achieve a thorough and efficient car wash every time.

What We Like
Thick, rich foam production
Economical soap usage
Adjustable nozzle for customization
Solid build quality
Quick and efficient washing
What We Don't Like
Small bottle opening
Potential rust issues
#TOP 7

M MINGLE Foam Cannon Power Washer

PW70
M MINGLE Foam Cannon Power Washer Cover
M MINGLE High Pressure Washer Gun Snow Foam Lance, 4000 PSI Cannon Foam Blaster Power Washer with 1/4" Quick Connector, Car Wash Foam Cannon Kit with 5 Pressure Washer Nozzle Tips, 1 Liter

The M MINGLE Foam Cannon offers an effective solution for your cleaning needs. Its wide neck design prevents cracking and makes it easy to fill with soap, ensuring a hassle-free experience. You can adjust the foam density with the convenient water regulator knob, allowing you to customize the mixture for optimal cleaning. The high-quality construction features heavy-duty brass components, providing a secure and leak-free connection. With its versatility, this foam cannon is perfect for washing cars, motorcycles, and various surfaces, making your cleaning tasks more efficient and enjoyable.

What We Like
Produces thick foam
High-quality materials
Easy to use
Good value for money
Stable design
What We Don't Like
Minor leakage issues
Inconsistent foam adjustment
#TOP 8

FENG PAI Foam Cannon - Pressure Washer Gun

2.2mm Foamcannon
FENG PAI Foam Cannon - Pressure Washer Gun Cover
Foam Cannon - Pressure Washer Gun with 1/4 Inch Quick Connect and Adjustable Nozzle Car Wash Sprayer with 1 L Bottle, Professional Car Foam Cannon Fits Most Power Washing Accessories (4000 PSI)

The FENG PAI Foam Cannon is a professional car wash sprayer that is designed to make your car washing experience easier and more efficient. The foam cannon features a new upgraded design with high-performance connectors made of PPS engineering plastics and heavy-duty metal, ensuring no leakage during use. The ergonomic groove on the bottle body makes it easy to hold and prevents slipping. The wide neck of the bottle prevents cracking and allows for easy filling with soapy water. The foam cannon also has an adjustable nozzle and a transparent design, allowing you to easily control the foam level and see the remaining cleaner. With a wide application range and a professional service team, the FENG PAI Foam Cannon is the best choice for professionals and car wash enthusiasts alike.

What We Like
Excellent foam quality
Inexpensive compared to competitors
Good for DIY enthusiasts
Adjustable orifice for customization
Effective for car washing
What We Don't Like
Fragile plastic construction
Possible durability concerns
#TOP 9

Amazon Basics Foam Cannon

Amazon Basics
DS-CW13
Amazon Basics Foam Cannon Cover
Amazon Basics Foam Cannon with 1/4-Inch Quick Connector for Pressure Washer, 33-Ounce (1 Liter)

The Amazon Foam Cannon is a powerful tool for cleaning your vehicles, effectively lifting dirt and grime with its snow foam feature. Designed to work with a pressure washer, this cannon requires a minimum flow of 2.0 GPM and pressure of 70 bar, ensuring a thorough clean. You can easily adjust the foam mix and spray pattern by twisting the nozzle, allowing you to customize your cleaning experience. Built with a solid-brass body and durable materials, this foam cannon is made to last, providing you with a reliable solution for maintaining your car's exterior.

What We Like
Unbeatable price-to-performance ratio
Solid-brass durable fittings
Customizable spray patterns
High foam production
Easy setup with quick connection
What We Don't Like
Sensitive twist adjustment
Small opening for filling
#TOP 10

Adam's Premium Foam Cannon for Car Wash

MAC1031
Foam Cannon
Adam's Premium Foam Cannon for Car Wash Cover
Adam's Premium Foam Cannon - Foam Cannon Soap Sprayer for Car Wash | Sprayer Cannister for Pressure Washer 1/4" Quick Disconnect

Adam's Premium Foam Cannon is a pressure wash foam cannon that can enhance your car cleaning routine. It holds over 32oz of liquid, comes with dual adjustable spray fans, brass and stainless steel fittings, and a foaming nozzle that fits all types of bottles. The layers of foam created by our cannon provide lubrication and protection for your car's paint, wheels, and trim. The pressurized water and soap mixture creates a thick layer of foam that clings to your car's surface, making it easy to remove dirt and grime.

What We Like
High-quality design
Produces thick foam
Durable and sturdy construction
Adjustable spray settings
Good value for money
What We Don't Like
Minor leak issues reported
Buying Guide Image

Factors to Consider when Choosing a Foam Cannon

Foam Thickness

One of the essential factors to consider when buying a foam cannon is the thickness of foam it produces. Look for a foam cannon that can generate thick and dense foam, as this ensures better coverage and cling to the vehicle's surface. Thicker foam also helps to loosen dirt and grime effectively.

Adjustable Dilution Ratio

A foam cannon with an adjustable dilution ratio gives you control over the concentration of the foam. This allows you to customize the foam thickness according to your preference and the level of cleaning required. Look for a foam cannon that offers a wide range of dilution ratios for versatility.

Compatibility

Ensure that the foam cannon you choose is compatible with your pressure washer or garden hose. Check the specifications to ensure that it fits the connection size and pressure requirements of your equipment. Some foam cannons come with adapters to fit different types of pressure washers or hoses.

Durability and Build Quality

Look for a foam cannon made from high-quality materials that can withstand frequent use and exposure to chemicals. A durable foam cannon will last longer and provide consistent performance. Consider options with brass fittings and stainless steel components for enhanced durability.

Ease of Use and Maintenance

Choose a foam cannon that is easy to use and clean. Look for features like an ergonomic grip, adjustable foam pattern, and a quick-release mechanism for easy attachment and detachment. Additionally, opt for a foam cannon that is easy to disassemble and clean to ensure proper maintenance and longevity.

Frequently Asked Questions (FAQs)

1. Are foam cannons worth it?

Foam cannons can be worth it, especially when washing cars with soft or easily scratched paint or heavily soiled vehicles. The main benefit is the ability to add extra lubrication during the washing process, which helps protect the paint and make cleaning easier.

2. Do foam cannons work with any pressure washer?

Foam cannons are designed to work with electric or gas pressure washers. However, it's important to note that foam guns are used with regular water hoses and are the only major difference between the two devices. Pressure washers produce a much stronger water stream.

3. Do you have to scrub after foam cannon?

After applying a thick layer of foam using a foam cannon, it is recommended to use a wash mitt to scrub off the remaining dirt and debris. This helps ensure a thorough cleaning. Using the two bucket method, along with the foam cannon, can further reduce the risk of swirls and scratches on the vehicle's surface.

4. Can you use regular car soap in a foam cannon?

While there are car wash soaps specifically formulated for foam cannons, most good quality car wash soaps will work well in a foam cannon. It is not necessary to use a specialized soap, but it's important to choose a high-quality car wash soap that produces a good amount of foam.

5. Do you put soap or water in a foam cannon first?

To use a foam cannon, put 3 to 4 ounces of foam soap into the reservoir and fill the rest with water. Shake well to mix the soap and water. Before applying the foam, rinse the vehicle with a pressure washer or water hose to remove any large clumps of dirt or debris.

6. How much PSI is needed for a foam cannon?

Foam cannons generally require a pressure washer with a minimum of 1100 PSI and 1.5 GPM output. Higher quality foam cannons may require a minimum of 1500 PSI with 2 GPM output. The maximum PSI can vary but is typically around 5000 PSI and 5 GPM.

Editor's Notes

During our foam cannon research, we found 24 foam cannon products and shortlisted 10 quality products. We collected and analyzed 251,992 customer reviews through our big data system to write the foam cannons list. We found that most customers choose foam cannons with an average price of $20.93.

The foam cannons are available for purchase. We have researched hundreds of brands and picked the top brands of foam cannons, including Tool Daily, AstroAI, Blackline, McKillans, MTM Hydro. The seller of top 1 product has received honest feedback from 1,105 consumers with an average rating of 4.9.

Written by
Bryan Hicks Avatar

Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.

Foam Cannons Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand Tool Daily AstroAI Tool Daily Blackline McKillans MTM Hydro M MINGLE FENG PAI Amazon Basics Adam's Polishes
Material Brass Aluminum Brass - Brass Zinc - Metal Acrylonitrile Butadiene Styrene Stainless Steel
Item dimensions L x W x H 8.8 x 3.6 x 4.8 inches 7 x 6 x 5 inches 9 x 5 x 4 inches - 7.6 x 6.4 x 4.65 inches 8.7 x 8.1 x 5.5 inches - 10.9 x 3.7 x 10.9 inches 11 x 6.5 x 3.15 inches 5.04 x 7.4 x 8.03 inches
Exterior Finish Stainless Steel Metal (natural finish) Brass - Brass Aluminum - Stainless Steel Brass Stainless Steel
Inlet Connection Type National Pipe Tapered 1/4" Quick Connector Barb - Press Barb - National Pipe Tapered Barb Quick Disconnect
Outlet Connection Type National Pipe Tapered Compression Barb - Sweat Barb - Quick Connect Barb 1/4 inch attachment
Inlet Connection Size 0.25 Inches - 0.25 Inches - 0.25 Inches 0.25 Inches - 0.25 Inches 0.25 Inches 0.25 Inches
Number of Ports 1 2 1 - 1 2 - 2 1 -
Outlet Connection Size 0.25 Inches - 0.5 Inches - 0.25 Inches 0.25 Inches - 0.25 Inches 0.25 Inches 0.25 Inches
Maximum Operating Pressure 3000 Pound per Square Inch 3E+3 Pound per Square Inch 4000 Pound per Square Inch - - 5000 Pound per Square Inch - 4E+3 Pound per Square Inch - 3.19E+3 Pound per Square Inch
FTB Score
ftb score rating icon 9.8
ftb score rating icon 9.7
ftb score rating icon 9.5
ftb score rating icon 9.5
ftb score rating icon 9.5
ftb score rating icon 9.4
ftb score rating icon 9.2
ftb score rating icon 9.2
ftb score rating icon 9.0
ftb score rating icon 8.9
Where to Buy