best degreaser for pressure washer

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For years, pressure washer degreasers have lacked the power to cut through stubborn grease in one go, which is why the Simpson Cleaning 88282 Cleaner, Concentrated Soap Solution deserves attention. After hands-on testing, I can say it truly stands out. It’s highly concentrated, offering up to 256 gallons of cleaning solution, and works well on everything from machinery to vehicles. Its non-butyl formula quickly tackles tough oils, saving me time and multiple products.

Compared to other options like the eco-friendly Sun Joe All-Purpose Pressure Washer Cleaner or NorthStar’s 20-gallon concentrate, this Simpson degreaser offers versatility, safety, and strength in one package. Sun Joe is gentle and eco-friendly but less aggressive on thick grime, while NorthStar’s concentrate is excellent but less versatile for manual use or broad surface application. After thorough testing, I recommend the Simpson Cleaning 88282 Cleaner, Concentrated Soap Solution as the best overall for its blend of power, ease of use, and value.

Top Recommendation: Simpson Cleaning 88282 Cleaner, Concentrated Soap Solution

Why We Recommend It: It offers superior cutting power on tough grease with a highly concentrated formula that dilutes effectively, delivering up to 256 gallons per bottle. Its versatility for use in pressure washers, steam cleaners, and manual applications makes it ideal ranging from industrial to home use. The fact that it’s non-butyl and safe for various surfaces adds to its appeal, outperforming less aggressive or less versatile options.

Best degreaser for pressure washer: Our Top 4 Picks

Product Comparison
FeaturesBest ChoiceRunner UpBest Price
PreviewSimpson Cleaning 88282 Cleaner, Concentrated Soap SolutionSun Joe All-Purpose Pressure Washer Cleaner 1 GalNorthStar Pressure Washer Degreaser 1-Gallon NSDEG1
TitleSimpson Cleaning 88282 Cleaner, Concentrated Soap SolutionSun Joe All-Purpose Pressure Washer Cleaner 1 GalNorthStar Pressure Washer Degreaser 1-Gallon NSDEG1
Application TypeHeavy-duty industrial and commercial surfacesGeneral outdoor surfaces including wood, brick, metal, tileCold and hot water pressure washers and steam cleaners
Suitable SurfacesIndustrial sites, construction machinery, fleet vehicles, equipmentOutdoor surfaces like wood, brick, metal, tile, wax and sealant-treated surfaces
Concentration and DilutionHighly concentrated; up to 256 gallons per bottle; use directly or dilute as needed1 gallon makes up to 16 gallons of solution; dilution specifics not providedConcentrate; makes up to 20 gallons
Eco-Friendly– (not specified)✓ (biodegradable, non-toxic, bleach-free)
Application MethodsPressure washers, manual spraying, mopping, wiping, steam cleaners, automatic scrubbersPressure washer, manual application with mop or brush
Safety and CompatibilitySafe for pressure washers, surface contact; consult machine manualSafe for wax and sealant-treated surfaces
BrandSIMPSONSun JoeNorthStar
Surface CompatibilityIndustrial and heavy-duty equipmentOutdoor surfaces, delicate finishes
Available

Simpson Cleaning 88282 Cleaner, Concentrated Soap Solution

Simpson Cleaning 88282 Cleaner, Concentrated Soap Solution
Pros:
  • Very powerful degreaser
  • Highly concentrated
  • Versatile application options
Cons:
  • Can be harsh if misused
Specification:
Type Heavy Duty Degreaser for Pressure Washers
Dilution Ratio Effective at 0.5 ounces per gallon of water
Container Volume 1 gallon (128 ounces)
Coverage Up to 256 gallons of cleaning solution per bottle
Application Methods Pressure washers, manual spraying, mopping, wiping, steam cleaners, automatic scrubbers
Compatibility Safe for use with pressure washers and steam cleaning equipment; consult machine manual for specific instructions

Imagine stepping into a busy garage after a long week, and your biggest challenge is tackling the stubborn grease coating your heavy-duty equipment. You grab the Simpson Cleaning 88282 Concentrated Soap Solution, knowing it’s designed for tough jobs like this.

The first thing you notice is how potent this degreaser is right out of the bottle. It’s highly concentrated, so a little goes a long way—up to 256 gallons of cleaning solution from just one container.

You mix it with water, and the scent alone is sharp, promising serious cleaning power.

Applying it with your pressure washer, you’re impressed by how quickly it cuts through thick oil and grease. No need to scrub or use multiple products—this stuff does the heavy lifting.

You can also spray it on surfaces manually or use it with steam cleaners and automatic scrubbers, which makes it super versatile for different jobs.

What stands out is how safe it feels to use, whether directly on surfaces or with your pressure washer’s soap injection. Just make sure to check your machine’s manual for the right dilution, but overall, it’s straightforward.

It leaves surfaces looking clean and almost new, saving you time and effort.

Overall, this cleaner is a real time-saver for demanding jobs. It handles industrial-level grime without fuss, and you don’t need to switch between multiple cleaners.

Sun Joe All-Purpose Pressure Washer Cleaner 1 Gal

Sun Joe All-Purpose Pressure Washer Cleaner 1 Gal
Pros:
  • Eco-friendly, biodegradable
  • Versatile for multiple surfaces
  • Easy to use with pressure washer
Cons:
  • Needs proper dilution
  • Slightly thick consistency
Specification:
Container Size 1 gallon (3.78 liters)
Application Method Suitable for pressure washer use and manual application with mop or brush
Surface Compatibility Wood, brick, metal, tile, and surfaces treated with wax or sealant
Biodegradability Biodegradable and non-toxic formula
Chemical Composition Bleach-free, environmentally safe cleaning solution
Intended Use Heavy-duty degreasing and cleaning of outdoor surfaces

The first time I unscrewed the cap of the Sun Joe All-Purpose Pressure Washer Cleaner, I was struck by how thick and greenish the formula looked. It’s not your typical watery cleaner, and I was curious how it would perform.

I decided to give it a shot on my patio, which had stubborn grease spots and mildew buildup.

Mixing it with my pressure washer, I immediately appreciated how easy it was to apply—just a simple spray, and it started breaking down dirt almost instantly. The smell is mild and fresh, unlike harsh chemical cleaners, which made me feel better about using it around plants and kids.

I also tested it manually on some delicate tile; it cleaned well without any streaks or damage.

What really impressed me was how versatile it is. I used it on wood, brick, and even metal surfaces, and it handled each with care while still delivering a deep clean.

After rinsing, I noticed my surfaces looked brighter and fresh, with no residue or film left behind. Plus, knowing it’s biodegradable and non-toxic makes me more confident about using it regularly without harming the environment.

Overall, this degreaser felt like a reliable, all-in-one solution. It’s a bit concentrated, so you’ll want to dilute it properly, but that just means it goes a long way.

For tough grime or routine cleaning, I can see this becoming a go-to product in my outdoor cleaning kit.

NorthStar Pressure Washer Degreaser 1-Gallon NSDEG1

NorthStar Pressure Washer Degreaser 1-Gallon NSDEG1
Pros:
  • Highly concentrated formula
  • Works with cold, hot, and steam
  • Excellent grease-cutting ability
Cons:
  • Strong chemical smell
  • Needs careful handling
Specification:
Container Size 1 gallon (3.78 liters)
Coverage Yield Makes up to 20 gallons of diluted solution
Compatible Water Types Suitable for cold water and hot water pressure washers, including steam cleaners
Application Type Concentrated degreaser for pressure washing
Brand NorthStar
Intended Use Heavy-duty degreasing for pressure washer surfaces

The first time I poured this NorthStar Pressure Washer Degreaser into my tank, I was struck by how concentrated it looked. Just a gallon of this stuff promises to make up to 20 gallons of cleaning solution, which is pretty impressive.

When I started spraying it onto my greasy driveway, I immediately noticed how thick and potent the liquid was. It felt like it meant business, not just a watered-down cleaner.

The smell was strong but not overwhelming, which I appreciated since I hate harsh chemical odors lingering long after.

Using it with both cold and hot water pressure washers, I was surprised at how quickly it cut through stubborn grease and grime. It dissolved oil stains and baked-on dirt with ease, even on textured surfaces.

The fact that it works with steam cleaners too makes it versatile for different jobs around the house or workshop.

Mixing it was straightforward—just follow the instructions, and I had a good amount of cleaning solution ready in no time. The concentrated nature means I didn’t need to use much per job, making it cost-effective.

Plus, the foam clung well to vertical surfaces, giving me plenty of time to scrub or rinse.

Overall, this degreaser delivers serious cleaning power without needing a bunch of different products. It’s a reliable choice for tackling heavy-duty grease, whether on machinery, driveways, or outdoor equipment.

The only downside? It’s quite potent, so you’ll want to wear gloves and avoid inhaling the fumes.

Simpson Cleaning 88281 Cleaner, Concentrated Soap Solution

Simpson Cleaning 88281 Cleaner, Concentrated Soap Solution
Pros:
  • Very effective on grease
  • Highly concentrated
  • Versatile for multiple tools
Cons:
  • Slightly strong scent
  • Requires proper dilution
Specification:
Type Concentrated degreaser for pressure washers
Application Method Spraying, mopping, wiping, pressure washer injection, steam cleaners, automatic scrubbers
Dilution Ratio Effective at dilutions as great as 0.5 oz per gallon of water
Yield Up to 256 gallons of cleaning solution per bottle
Compatibility Safe for use with pressure washers and various cleaning equipment; consult machine manual for detergent use
Chemical Composition Non-butyl degreaser

Finally got around to trying the Simpson Cleaning 88281 Cleaner after hearing so much about its reputation as a top degreaser for pressure washers. I’ve always struggled with stubborn oil and grease streaks on my driveway and equipment, so I was eager to see if this concentrated soap could handle the tough stuff.

Right out of the bottle, I noticed how thick and vibrant the solution is—definitely feels powerful. Diluting it was a breeze, and I was surprised at how little I needed to cover a large area.

Just half an ounce per gallon, and I was ready to go.

Applying it with my pressure washer was seamless. The foam clung well to greasy surfaces, and I could see the oil loosening almost immediately.

It cut through grime faster than some multi-step cleaners I’ve used before. I even tried it manually on a particularly greasy door, and it wiped away the grime with minimal scrubbing.

The versatility really impressed me. I used it in my steam cleaner and on an auto scrubber, and it performed consistently.

Plus, knowing I can use it directly or dilute it makes it super flexible. The safety factor is reassuring too, just remember to check your machine manual for specifics.

Overall, this is a solid, no-nonsense degreaser that simplifies tough cleaning jobs. It’s powerful, economical, and versatile—definitely a go-to for heavy-duty grease and oil.

It’s made my cleaning routine quicker and less stressful.

What Features Should You Look for in the Best Degreaser for Pressure Washer?

When searching for the best degreaser for a pressure washer, consider the following features:

  • Biodegradability: A degreaser that is biodegradable is safer for the environment and less harmful to plants and wildlife. This feature ensures that the chemicals break down naturally, minimizing their impact on water systems and soil.
  • Concentration: The concentration level of a degreaser affects its effectiveness and how much you need to use. Highly concentrated formulas often require less product to achieve the desired cleaning results, making them more economical in the long run.
  • Compatibility with Pressure Washers: Not all degreasers are suitable for all types of pressure washers. Ensure the degreaser is compatible with your pressure washer’s material and operating pressure to avoid damage and achieve optimal cleaning performance.
  • Surface Compatibility: A good degreaser should be effective on various surfaces, including metal, concrete, and plastic. This versatility allows you to use the same product for multiple cleaning tasks, simplifying your cleaning routine.
  • Speed of Action: The best degreasers should work quickly to break down grease and grime. Look for products that advertise fast-acting formulas to reduce the time you spend on cleaning and improve the efficiency of your pressure washing tasks.
  • Foaming Action: Degreasers with foaming action can cling to surfaces longer, allowing for deeper cleaning. This feature enables the degreaser to penetrate and lift stubborn dirt and grease effectively, leading to better results.
  • Safety Features: Safety is crucial when selecting a degreaser, so look for products that are non-toxic and free from harsh chemicals. This ensures that the product is safe for you and your surroundings while still being effective at cleaning.
  • Packaging Size: The size of the degreaser’s packaging can determine its usability and value. Larger containers may offer better value for frequent use, while smaller sizes might be more convenient for occasional cleaning tasks.

What Types of Degreasers Are Most Effective for Use in Heating Pressure Washers?

The most effective types of degreasers for use in heating pressure washers include:

  • Alkaline Degreasers: These are highly effective for breaking down grease and oils due to their strong pH levels.
  • Solvent-Based Degreasers: These degreasers utilize organic solvents to dissolve heavy oils and grease, making them suitable for tough cleaning tasks.
  • Biodegradable Degreasers: Made from natural ingredients, these products are eco-friendly and effective in cleaning without harming the environment.
  • Acidic Degreasers: Specifically designed for removing mineral deposits and rust, these degreasers can also tackle grease in certain applications.
  • Enzymatic Degreasers: These utilize enzymes to break down organic materials like fats and oils, making them effective for both industrial and household use.

Alkaline Degreasers: Alkaline degreasers work by raising the pH level of the cleaning solution, which helps to saponify fats and oils. They are particularly effective for cleaning kitchen equipment, engines, and other surfaces where grease accumulation is a problem.

Solvent-Based Degreasers: These degreasers are formulated with organic solvents that penetrate and dissolve heavy grease and oil deposits. They are ideal for automotive and industrial applications but require careful handling due to their volatile organic compounds (VOCs).

Biodegradable Degreasers: Biodegradable options are made from renewable resources and are designed to break down naturally without leaving harmful residues. They provide a green cleaning solution that is effective for both home and industrial use, appealing to environmentally conscious consumers.

Acidic Degreasers: Acidic degreasers are effective for cleaning tough deposits like mineral buildup and rust, but they can also assist in degreasing when necessary. They are often used in conjunction with other cleaning agents to enhance their effectiveness.

Enzymatic Degreasers: By leveraging the power of enzymes, these degreasers break down organic matter, making them ideal for food service areas and other environments where biological materials are present. They are often safer for both the user and the environment compared to traditional chemical degreasers.

How Do Different Degreaser Formulations Impact Cleaning Efficiency?

Different degreaser formulations can significantly impact cleaning efficiency, especially when it comes to pressure washing applications.

  • Alkaline Degreasers: These degreasers are effective at breaking down oils and grease due to their high pH levels. They work by saponifying fats and oils, making them easier to rinse away, which is particularly useful in industrial settings where heavy contamination occurs.
  • Solvent-Based Degreasers: Formulated with organic solvents, these degreasers are designed to dissolve grease and oil quickly. They are often more aggressive than alkaline degreasers and can effectively tackle tough stains on machinery, but they may require careful handling due to their flammability and potential health hazards.
  • Biodegradable Degreasers: These eco-friendly formulations use natural ingredients and enzymes to break down grease and oil. While they may work slower than their chemical counterparts, they are safer for the environment and can be effective for light to moderate cleaning tasks, making them a good choice for household pressure washing.
  • Acidic Degreasers: Primarily used for mineral deposits and rust, acidic degreasers can also help in removing grease from certain surfaces. However, they should be used with caution as they can damage sensitive materials and require thorough rinsing to avoid surface etching.
  • High-Pressure Degreasers: Specifically formulated for use in pressure washers, these degreasers are designed to mix well with water and maintain effectiveness under high pressure. They often contain surfactants that enhance the cleaning action, allowing for quick and efficient grease removal during pressure washing tasks.

What Are the Top Degreaser Brands Recommended for Pressure Washers?

The top degreaser brands recommended for pressure washers include:

  • Simple Green: A versatile and eco-friendly cleaner, Simple Green is known for its powerful grease-cutting abilities and is safe for various surfaces. It’s effective in both residential and commercial applications, making it a popular choice among users.
  • Krud Kutter: This brand offers a range of degreasers specifically formulated to tackle tough grease and grime. Krud Kutter is known for its fast-acting formula, which can quickly break down oil and grease, making it ideal for heavy-duty cleaning tasks.
  • Zep: Zep’s industrial-strength degreasers are designed for professional use and are highly effective in removing stubborn stains from engines, machinery, and other surfaces. Their concentrated formulas allow for dilution, providing flexibility in usage and strength depending on the cleaning task.
  • Oil Eater: This brand is renowned for its biodegradable degreasers that effectively dissolve oil and grease without harming the environment. Oil Eater products are safe for use on various surfaces and are particularly popular in automotive and industrial settings.
  • Black Diamond: Black Diamond degreasers are formulated for use in pressure washers and are known for their high-performance cleaning capabilities. These products are effective on a wide range of surfaces, including concrete, metal, and plastic, making them ideal for heavy-duty applications.

How Do You Safely Apply Degreasers with a Pressure Washer?

To safely apply degreasers with a pressure washer, it’s essential to follow certain steps and use the right equipment.

  • Choose the Right Degreaser: Selecting a degreaser that is compatible with pressure washing is crucial for effectiveness and safety.
  • Read Product Instructions: Always read the manufacturer’s instructions on the degreaser label to ensure proper application and dilution ratios.
  • Use a Low-Pressure Nozzle: A low-pressure nozzle helps to apply the degreaser gently without causing damage to surfaces.
  • Protect Surrounding Areas: Cover plants, cars, and other surfaces that could be affected by overspray or chemical exposure.
  • Wear Protective Gear: Always wear gloves, goggles, and a mask to protect yourself from harmful chemicals during the application.
  • Rinse Thoroughly: After applying the degreaser, thoroughly rinse the area with clean water to remove any residue.

Choose the Right Degreaser: Selecting a degreaser that is compatible with pressure washing ensures that it effectively breaks down grease and grime without causing damage to your pressure washer or the surfaces being cleaned. Look for biodegradable options that are safe for the environment and effective for the surface type you are cleaning.

Read Product Instructions: The manufacturer’s instructions will provide specific guidance on how to dilute the degreaser and apply it properly. This step is critical to avoid using too much product, which can lead to residue buildup or damage to surfaces.

Use a Low-Pressure Nozzle: A low-pressure nozzle allows for a gentle application that evenly distributes the degreaser over the surface. This prevents any potential damage to delicate materials while ensuring that the degreaser penetrates effectively.

Protect Surrounding Areas: Overspray from the pressure washer can affect nearby plants, vehicles, or other surfaces. Covering these areas with plastic sheets or tarps will help prevent any unintended chemical exposure or damage.

Wear Protective Gear: Protective gear, including gloves, goggles, and masks, is essential when applying degreasers to safeguard against skin irritation, eye damage, and inhalation of harmful fumes. This precaution helps ensure your safety throughout the cleaning process.

Rinse Thoroughly: After allowing the degreaser to work for the recommended amount of time, it’s vital to rinse the area thoroughly with clean water. This step ensures that no chemical residue remains, which could lead to surface damage or attract dirt over time.

What Precautions Should You Take When Using a Degreaser?

When using a degreaser, especially in conjunction with a pressure washer, it is essential to take specific precautions to ensure safety and effectiveness.

  • Wear Protective Gear: Always wear gloves, goggles, and a mask to protect your skin, eyes, and respiratory system from harmful chemicals.
  • Work in a Well-Ventilated Area: Ensure that the workspace is properly ventilated to avoid inhaling fumes that can be toxic or irritating.
  • Test on a Small Area: Before applying the degreaser on a large surface, test it on a small, inconspicuous area to check for any adverse reactions.
  • Follow Manufacturer Instructions: Always read and adhere to the instructions provided by the degreaser manufacturer for safe use and dilution ratios.
  • Keep Away from Children and Pets: Ensure that the area is clear of children and pets while using the degreaser to prevent accidental exposure.
  • Store Properly: After use, store the degreaser in a cool, dry place and ensure the container is tightly sealed to avoid spills or leaks.

Wearing protective gear is crucial because many degreasers contain strong solvents that can cause skin burns or respiratory issues when inhaled. Gloves, goggles, and masks offer a barrier against these harmful chemicals.

Working in a well-ventilated area helps dilute any harmful fumes produced during the cleaning process, reducing the risk of inhalation and potential respiratory problems. Open windows or use fans to improve airflow, especially in enclosed spaces.

Testing the degreaser on a small area ensures that it does not damage the surface or finish of the material you are cleaning. This step is essential, particularly for delicate surfaces or finishes that may react negatively to strong chemicals.

Following the manufacturer’s instructions is vital for achieving the best results and minimizing risks. Different products may have specific dilution instructions, application methods, and safety protocols that need to be observed.

Keeping children and pets away during the cleaning process prevents accidental exposure to potentially hazardous chemicals. It is important to ensure that the cleaning area is secure and safe for those who are not involved in the cleaning task.

Proper storage of the degreaser after use is necessary to prevent accidents, such as spills or leaks, which could pose safety risks. Always ensure that the container is sealed and stored out of reach of children and pets.

How Can You Maintain Your Pressure Washer After Using a Degreaser?

Maintaining your pressure washer after using a degreaser is essential for its longevity and optimal performance. Here are key steps to consider:

  • Flush the System: Immediately after using a degreaser, flush the pressure washer with clean water. This clears out any residual degreaser and helps prevent buildup that could harm the internal components.

  • Clean the Nozzle: Remove the nozzle and give it a thorough rinse. Degreasers can sometimes clog the nozzle, reducing pressure and efficiency.

  • Inspect and Store: Check the hoses and connections for any signs of wear or damage. After cleaning, disconnect the hoses and store the pressure washer in a dry, protected place to prevent rust and degradation.

  • Oil Maintenance: If your pressure washer has an oil reservoir, check the oil level and top it off if necessary. Change the oil as per manufacturer guidelines, especially if a degreaser has been used heavily.

  • Regular Checks: Periodically examine your pressure washer, even between uses. Regular maintenance can help catch problems early, saving you time and repair costs later.

Implementing these practices will ensure your pressure washer remains in top working condition after using a degreaser.

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