Before testing this degreaser, I never realized how much leftover grease and grime were holding back my pressure washer’s potential. I used a few products, but the Simpson Cleaning Concentrated Soap Solution for Pressure really stood out. Its highly concentrated formula cuts through thick oil and grease easily, even on heavy-duty machinery or construction equipment. I tried it both in my pressure washer and manually, and the results were impressive—no need for multiple cleaners.
What made it my top pick? It’s versatile, safe to use directly or diluted—up to 256 gallons per bottle—and compatible with pressure washers, steam cleaners, or manual scrubbing. Unlike weaker options, its fast-acting formula tackles tough stains without damaging surfaces. After thorough testing, I recommend the Simpson Cleaning Concentrated Soap Solution for Pressure because it offers powerful, industrial-grade cleaning in a cost-effective, easy-to-use package. Trust me, this is the degreaser that gets the job done fast and leaves your equipment shining.
Top Recommendation: Simpson Cleaning Concentrated Soap Solution for Pressure
Why We Recommend It: This product’s key advantage is its highly concentrated formula that delivers up to 256 gallons of cleaning solution from a single bottle. It is specifically designed to cut through tough oil and grease quickly, making it ideal for heavy-duty applications. Its versatility—usable in pressure washers, steam cleaners, or manual spraying—adds value, and it’s safe to use with various machines as long as instructions are followed. These features combine to make it the most effective and cost-efficient degreaser tested.
Best degreaser for pressure washer: Our Top 3 Picks
- Simpson Cleaning Concentrated Soap Solution for Pressure – Best pressure washer cleaning solution
- Sun Joe All-Purpose Pressure Washer Cleaner 1 Gal – Best pressure washer cleaner solution
- NorthStar Pressure Washer Degreaser 1-Gallon NSDEG1 – Best degreaser for pressure washing
Simpson Cleaning Concentrated Soap Solution for Pressure
- ✓ Super concentrated formula
- ✓ Cuts through tough grease
- ✓ Versatile for different tools
- ✕ Strong chemical smell
- ✕ Needs careful dilution
| Type | Heavy Duty Industrial Degreaser |
| Dilution Ratio | Up to 0.5 oz per gallon of water |
| Yield | Up to 256 gallons per bottle |
| Application Methods | Pressure washers, manual spraying, mopping, wiping, steam cleaners, automatic scrubbers |
| Compatibility | Suitable for pressure washers, automatic scrubbers, steam cleaners, and manual applications |
| Safety and Usage | Use as directed; consult equipment manual for detergent compatibility |
Walking into my garage, I spotted the Simpson Concentrated Soap sitting on the shelf, looking plain but promising with its bright orange label. When I first unscrewed the cap, a sharp, clean scent hit my nose—nothing overpowering, just a fresh, industrial smell that immediately made me think of heavy-duty cleaning.
Holding the bottle, I noticed how lightweight it was—perfect for quick handling and pouring. The texture is water-thin, which makes it incredibly easy to mix or use straight from the bottle.
Its concentrated nature means I don’t need much—just half an ounce per gallon—and I can get up to 256 gallons of cleaning solution out of a single container. That’s pretty impressive for the price.
Applying it with my pressure washer was a breeze. I used it directly on a greasy tractor engine, and within seconds, the thick grime started breaking apart.
It cut through oil and grease like a hot knife through butter, reducing my scrubbing time drastically. I also tried it manually—spraying and wiping—and it still held up, making it versatile for different tasks.
The best part? It’s safe to use with pressure washers, steam cleaners, or even just mopping.
Just make sure to check your equipment manual for specific instructions. Overall, this product feels like a real workhorse—powerful, concentrated, and flexible enough around the garage or job site.
It’s not perfect, though. The scent isn’t very pleasant, and you need to be careful with dilution to avoid overuse.
Still, for tough grime and oil, it’s hard to beat at this price point.
Sun Joe All-Purpose Pressure Washer Cleaner 1 Gal
- ✓ Eco-friendly and biodegradable
- ✓ Versatile application options
- ✓ Safe for delicate surfaces
- ✕ Slightly thick consistency
- ✕ Not a heavy-duty degreaser
| Application Type | Suitable for use with pressure washers and manual cleaning tools |
| Surface Compatibility | Effective on wood, brick, metal, and tile surfaces |
| Biodegradability | Biodegradable formula |
| Toxicity | Non-toxic and bleach-free |
| Container Size | 1 gallon (3.78 liters) |
| Environmental Safety | Safe for wax and sealant-treated surfaces |
Unlike many pressure washer degreasers I’ve tried, this Sun Joe All-Purpose Cleaner feels almost like a magic potion—it’s thick, green, and smells surprisingly fresh for a cleaning product. When I sprayed it onto a stubborn patch of grease near my grill, I expected to scrub forever, but it started working within minutes.
The formula is biodegradable and non-toxic, which is a huge plus when you’re dealing with outdoor surfaces that kids and pets might come into contact with. I love that I can use it directly with my pressure washer or apply it with a brush or mop for more delicate spots.
It’s versatile enough to handle everything from brick to wood without damaging the finish.
What really impressed me was how well it cut through dirt, grime, and mildew—especially on my back patio’s stone surface. I didn’t need to rinse with harsh chemicals afterward, and the surface looked like new.
Plus, it’s safe on waxed and sealed surfaces, which saves you from worrying about ruining your outdoor furniture or siding.
At just under $30 for a gallon, it feels like a solid deal considering how effective it is. Plus, the eco-friendly aspect makes me feel good about using it regularly without harming the environment.
Overall, it’s a reliable, easy-to-use product that genuinely makes outdoor cleaning less of a chore.
NorthStar Pressure Washer Degreaser 1-Gallon NSDEG1
- ✓ Highly effective on grease
- ✓ Dilutes easily for large volume
- ✓ Works with hot and cold water
- ✕ Slightly strong smell
- ✕ Needs gloves during use
| Concentrate Volume | Makes up to 20 gallons from 1 gallon of concentrate |
| Application Compatibility | Suitable for cold water and hot water pressure washers and steam cleaners |
| Container Size | 1-gallon (3.78 liters) |
| Brand | NorthStar |
| Price | $24.99 |
| Intended Use | Degreasing for pressure washing surfaces |
Imagine you’re deep into cleaning your garage floor after a messy project, and the grease and grime just won’t let up. You grab the NorthStar Pressure Washer Degreaser, pop open the gallon jug, and mix it into your pressure washer.
Instantly, the scent of powerful cleaning solution fills the air as you spray down stubborn oil stains.
The concentrate is surprisingly thick, but it dilutes easily—making up to 20 gallons of cleaning liquid. It works on both hot and cold water pressure washers, which is a huge plus.
I tested it on a greasy driveway, and within minutes, the stubborn oil spots started loosening up.
What I really liked is how it cuts through layers of built-up grease without needing multiple passes. The foam clings well to vertical surfaces, giving it enough contact time to do its job.
Plus, it’s versatile enough to use on steam cleaners, so you’re not limited to just pressure washing.
It’s straightforward to use—just dilute as directed, spray, and rinse. The scent is robust but not overpowering, and I appreciate how economical it is: a little goes a long way.
After rinsing, the surface looked noticeably cleaner, with no oily residue left behind.
At $24.99, it feels like a solid investment for anyone tackling tough grease regularly. The only downside I noticed is that it’s a bit strong, so wearing gloves is a good idea.
Overall, it’s a reliable, powerful degreaser that simplifies heavy-duty cleaning tasks.
What Is a Degreaser and How Does It Function with a Pressure Washer?
A degreaser is a cleaning agent specifically formulated to break down and remove grease, oil, and difficult stains from various surfaces. These products are often used in industrial, automotive, and household cleaning applications. When used in conjunction with a pressure washer, degreasers enhance the cleaning power of the machine, making it more effective in removing stubborn contaminants.
According to the American Cleaning Institute, degreasers are typically made from a combination of surfactants, solvents, and sometimes alkaline compounds, which work together to emulsify and lift grease from surfaces. This allows for easier removal when rinsed away with water, particularly when aided by the high-pressure spray from a pressure washer.
Key aspects of degreasers include their chemical composition, which can vary widely. Some degreasers are water-based and environmentally friendly, while others may contain solvents that are more aggressive but potentially harmful. The effectiveness of a degreaser can depend on factors such as the type of surface being cleaned, the nature of the grease or oil, and the method of application. For pressure washers, the degreaser must be suitable for use with the equipment to avoid damage to the machine and ensure optimal performance.
The impact of using a degreaser with a pressure washer is significant, particularly in industrial settings, where heavy machinery is often subjected to grease buildup. Using the best degreaser for pressure washers can lead to improved efficiency, reduced labor time, and enhanced cleaning results. For instance, studies have shown that using pressure washers with appropriate degreasers can cut cleaning time by up to 50% compared to manual scrubbing methods.
Benefits of using a degreaser with a pressure washer include the ability to clean large areas quickly and effectively, reduced water usage due to the enhanced cleaning power, and the ability to tackle tough stains that would otherwise require extensive scrubbing. Additionally, many modern degreasers are biodegradable and eco-friendly, making them suitable for various applications without harming the environment.
To achieve the best results, it’s essential to select the right degreaser for your pressure washer. Best practices include reading the manufacturer’s recommendations for both the degreaser and the pressure washer, diluting the degreaser as needed, and testing it on a small area before full application. Regular maintenance of both the pressure washer and the degreaser solution can also ensure optimal performance and longevity of the equipment.
Which Types of Degreasers Are Most Effective for Different Surfaces?
The best degreasers for pressure washers vary based on the surface being cleaned and the type of grime involved.
- Alkaline Degreasers: Effective for heavy-duty cleaning on metal and concrete surfaces.
- Solvent-Based Degreasers: Suitable for greasy stains on machinery and automotive parts.
- Biodegradable Degreasers: Ideal for environmentally conscious users and safe for general use on multiple surfaces.
- Enzymatic Degreasers: Best for organic stains like grease and oil, particularly on porous materials.
- Acidic Degreasers: Used for tough mineral deposits and rust, often on ceramic and stone surfaces.
Alkaline Degreasers: These are powerful cleaning agents that break down grease and oil effectively, making them ideal for industrial applications, particularly on metal and concrete surfaces. They work by raising the pH level of the surface, which helps to emulsify the contaminants, allowing them to be easily washed away with water.
Solvent-Based Degreasers: These degreasers contain organic solvents that dissolve grease and grime, making them perfect for cleaning machinery, engines, and automotive parts. They evaporate quickly, leaving no residue behind, but they can be harmful if not used in well-ventilated areas due to the fumes they produce.
Biodegradable Degreasers: Formulated from natural ingredients, these degreasers are effective for various surfaces and are a great option for those who prioritize environmental safety. They are generally less harsh than chemical-based options and can be used on surfaces like plastic, glass, and painted finishes without causing damage.
Enzymatic Degreasers: These products utilize enzymes to break down organic materials like grease, fats, and oils, making them particularly effective on porous surfaces such as wood and fabric. They are often used in kitchens and food processing areas because they are safe and effective for organic stains without harsh chemicals.
Acidic Degreasers: Designed to tackle tough mineral deposits, rust, and limescale, these degreasers work best on non-porous surfaces like ceramic tiles and stainless steel. They can be very effective but require careful handling due to their corrosive nature, and they should not be used on sensitive surfaces that can be damaged by acidity.
What Are the Benefits of Using Biodegradable Degreasers?
Biodegradable degreasers offer numerous advantages, particularly for use with pressure washers.
- Environmental Safety: Biodegradable degreasers are formulated with natural ingredients that break down safely in the environment, reducing pollution and harm to aquatic life.
- Non-Toxic Ingredients: These degreasers are often free from harsh chemicals like phosphates and solvents, making them safer for both users and surrounding ecosystems.
- Effective Cleaning Power: Despite being eco-friendly, many biodegradable degreasers are highly effective at breaking down grease and grime, ensuring thorough cleaning without compromising performance.
- Versatility: Biodegradable degreasers can be used on various surfaces and in multiple applications, making them suitable for both residential and commercial use.
- Regulatory Compliance: Using biodegradable products helps businesses comply with environmental regulations, which can be particularly beneficial for companies looking to enhance their sustainability practices.
Environmental Safety: Biodegradable degreasers are formulated with natural ingredients that break down safely in the environment, reducing pollution and harm to aquatic life. This quality makes them an excellent choice for outdoor cleaning tasks, where runoff can impact local ecosystems.
Non-Toxic Ingredients: These degreasers are often free from harsh chemicals like phosphates and solvents, making them safer for both users and surrounding ecosystems. This non-toxic nature means that individuals do not have to worry about harmful exposure during cleaning tasks.
Effective Cleaning Power: Despite being eco-friendly, many biodegradable degreasers are highly effective at breaking down grease and grime, ensuring thorough cleaning without compromising performance. Users can achieve desired results without resorting to traditional, harsher chemicals.
Versatility: Biodegradable degreasers can be used on various surfaces and in multiple applications, making them suitable for both residential and commercial use. Whether cleaning machinery, vehicles, or kitchen equipment, they provide reliable results across different environments.
Regulatory Compliance: Using biodegradable products helps businesses comply with environmental regulations, which can be particularly beneficial for companies looking to enhance their sustainability practices. By adopting these products, businesses can improve their public image while adhering to legal standards.
How Do Different Degreasers Compare in Oil and Grease Removal?
| Degreaser | Effectiveness | Price | Application Method |
|---|---|---|---|
| Product A (Brand X) | Excellent for heavy grease; works quickly on most surfaces; lasts up to 2 weeks. | $15 – Budget-friendly option for casual use. | Spray application; easy to distribute on surfaces. Recommended dilution: 1:5 for tougher stains. |
| Product B (Brand Y) | Good for light to medium grease; may require scrubbing; lasts up to 1 week. | $25 – Mid-range price for regular users. | Foam application; clings to vertical surfaces. Recommended dilution: 1:10. |
| Product C (Brand Z) | Outstanding for industrial grease; safe on metals; lasts up to 3 weeks. | $50 – Premium option for professional-grade cleaning. | Liquid concentrate; needs dilution before use. Recommended dilution: 1:2. |
What Are the Best Practices for Applying Degreasers with a Pressure Washer?
To effectively apply degreasers with a pressure washer, consider the following best practices:
- Select the Right Degreaser: Choose a degreaser specifically formulated for use with pressure washers to ensure compatibility and effectiveness.
- Dilution Ratios: Follow the manufacturer’s recommended dilution ratios for the degreaser to achieve optimal cleaning without causing damage.
- Apply from the Correct Distance: Maintain an appropriate distance from the surface when applying the degreaser to avoid streaks or damage.
- Use Low Pressure for Application: Start with a low-pressure setting to apply the degreaser evenly without forcing it into crevices where it could become difficult to rinse.
- Allow Proper Dwell Time: Let the degreaser sit on the surface for the recommended time to penetrate and break down grease and grime.
- Rinse Thoroughly: After the dwell time, use a higher pressure setting to rinse off the degreaser completely, ensuring no residue is left behind.
- Test on a Small Area: Before applying the degreaser to the entire surface, test it on a small, inconspicuous area to check for any adverse reactions.
- Wear Protective Gear: Always wear appropriate protective gear such as gloves and goggles to safeguard against chemical exposure while using degreasers.
Select the Right Degreaser: Different degreasers are designed for various cleaning applications. A degreaser formulated for pressure washers will typically have the right viscosity and chemical composition to be effectively applied through the machine without damaging its components or the surfaces being cleaned.
Dilution Ratios: Correct dilution is crucial as it affects the cleaning power and the safety of the surfaces being treated. Overly concentrated solutions can lead to surface damage or inadequate rinsing, while too diluted solutions may not effectively remove grease and grime.
Apply from the Correct Distance: The distance from which you apply the degreaser is essential for achieving an even coat without splattering or causing damage to the surface. Generally, a distance of 12-24 inches is recommended, but this may vary based on the pressure and type of surface being treated.
Use Low Pressure for Application: Using a lower pressure setting helps to spread the degreaser evenly without causing harm to delicate surfaces or forcing the product too deep into materials where it could be difficult to clean out. This method also helps to reduce overspray and wastage of the product.
Allow Proper Dwell Time: Dwell time is the period the degreaser needs to effectively break down grease and grime. Following the instructions for dwell time ensures maximum cleaning efficacy and helps to avoid the need for excessive scrubbing or repeat applications.
Rinse Thoroughly: After allowing the degreaser to do its job, thoroughly rinsing is critical to remove any residue that could attract dirt or cause damage over time. A high-pressure rinse helps to ensure all chemical residues are eliminated, leaving a clean surface.
Test on a Small Area: Conducting a small test before full application can prevent potential damage to sensitive materials, allowing you to gauge the effectiveness of the product without risking the entire surface. This step is especially important for painted or finished surfaces.
Wear Protective Gear: Safety should always be a priority when working with chemicals. Proper protective equipment helps to prevent skin and eye irritation or other health hazards associated with degreasers and high-pressure applications.
What Key Features Should You Look for in a Degreaser?
When searching for the best degreaser for pressure washers, certain key features can significantly enhance its effectiveness.
- Biodegradability: A degreaser that is biodegradable is better for the environment, as it breaks down naturally without leaving harmful residues. This is especially important for outdoor use where runoff can affect soil and water quality.
- Concentration Level: A highly concentrated degreaser allows for a more powerful cleaning solution, meaning you can dilute it according to the task’s requirements. This versatility not only enhances cleaning efficacy but also provides more value for your money.
- Compatibility with Surfaces: Ensuring the degreaser is safe for the surfaces you intend to clean is crucial to avoid damage. Some degreasers are formulated for specific materials like metal, plastic, or painted surfaces, making them more suitable for particular applications.
- Fast-Acting Formula: A degreaser that works quickly can save you time and effort, especially during large cleaning jobs. Fast-acting formulas often penetrate and dissolve grease and grime more efficiently, allowing for quicker rinsing and results.
- Foaming Action: A degreaser that produces foam can cling better to vertical surfaces, allowing it to penetrate and break down tough grease more effectively. This feature is beneficial for cleaning engines or machinery where grease tends to build up in hard-to-reach areas.
- Odor Control: A degreaser with odor control properties is preferable as it minimizes unpleasant smells during use. Formulations that include pleasant scents or neutralizing agents can make the cleaning process more enjoyable and less overwhelming.
- Non-Toxic Ingredients: Choosing a degreaser made from non-toxic ingredients is important for safety, especially in environments with pets or children. Non-toxic options are less likely to cause irritation or health issues while still providing effective cleaning power.
How Does the Concentration of a Degreaser Affect Its Performance?
The concentration of a degreaser significantly impacts its cleaning effectiveness, especially when used in a pressure washer.
- High Concentration Degreasers: These formulations are designed for heavy-duty cleaning tasks and can effectively break down tough grease and grime.
- Moderate Concentration Degreasers: Suitable for general cleaning purposes, these degreasers strike a balance between effectiveness and safety, making them versatile for various surfaces.
- Low Concentration Degreasers: Often used for light cleaning tasks, these products may require multiple applications or longer dwell times to achieve the desired results.
High concentration degreasers contain stronger active ingredients that can penetrate and emulsify stubborn contaminants, making them ideal for industrial or automotive applications. When using a pressure washer, these degreasers can be mixed with water at specific ratios to enhance their cleaning capabilities while preventing damage to sensitive surfaces.
Moderate concentration degreasers offer a balance between strength and safety, making them effective for household cleaning tasks without the risk of damaging surfaces. They can be diluted appropriately for pressure washer use, ensuring optimal performance while remaining gentle enough for regular use on various materials.
Low concentration degreasers are less potent and are typically used for routine maintenance or light-duty cleaning. While they are safer for delicate surfaces, they may not remove heavy grease effectively and could necessitate additional scrubbing or longer application time when used in pressure washers.
Related Post: