All homeowners and commercial facility owners eventually run into issues with heavy dirt, grime, mildew, and other dirty substances that can be difficult to get rid of. Sometimes, they cannot clean these surfaces with regular detergents and cleaning equipment. In these situations, they may need pressure washers to clean the surfaces effectively.

People and businesses around the world are projected to spend over $3 billion on pressure-washing products and services by 2026. However, they don't always make the best purchasing decisions. Using the wrong pressure washing detergent can damage equipment or fail to clean surfaces effectively.          

Therefore, it is important to research the best pressure-washing detergent before making a purchase.

The 20 best pressure washing detergents for 2023

1. Loni Bio Detergent
2. Purple Power Heavy-Duty Vehicle and Boat Pressure Wash Concentrate
3. Zep 64 oz. All-in-One Pressure Wash Cleaner
4. Sun Joe SPX-APC1G All-Purpose Heavy Duty Pressure Washer
5. Ripper I Detergent
6. Value Collection 5 Gal Pressure Washing All-Purpose Detergent
7. Karcher Pressure Washer Multi-Purpose Cleaning Soap Concentrate 
8. Mean Green Multi-Purpose - Pressure Washer Ultra Concentrated
9. Krud Kutter 1-Gallon Multi-Purpose Pressure Washer Cleaner
10. Mold Armor - E-Z Multi-Purpose Pressure Washer Concentrate
11. BE Semi-Pro Heavy Duty Degreaser Pressure Washer Concentrated Detergent 
12. Simple Green - SMP13421CT 13421 Pro HD Unscented Heavy-Duty Cleaner
13. Simple Green Oxy Solve Concrete and Driveway Cleaner
14. Simpson Cleaning Heavy-Duty, Multi-Purpose Pressure Washer Cleaner
15. Generac Universal All-Purpose Pressure Washer Detergent
16. Krud Kutter 128-oz House and Siding Pressure Washer Cleaner
17. Kleen-Rite Kleen-Pak High Pressure Detergent
18. Ecolab 1 gal. All Purpose Premium Pressure Wash
19. AR Blue Clean Pressure Washer Detergent
20. Casco LCW Pressure Washer General Cleaner

A pressure washer is only as good as the detergent that it uses. Here are the 20 best pressure washing detergents on the market.

1. Loni Bio Detergent

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Loni sells one of the best eco-friendly detergents on the market. This formula is made with bio enzymes that are designed to quickly break down stains and thoroughly clean clothes during the entire washing cycle. There are many reasons that Loni Bio Detergent is one of the best detergents on the market:

• It is an ethical product that is made with plant-based ingredients and is not tested on animals.
• It is also safe for young children and pets.
• It is made with a hyper-concentrated formula that can clean even the dirtiest messes.
• It is highly affordable compared to cleaning products of similar quality.
• The formula is hypoallergenic, so it is ideal for people with sensitive skin.

Overall, Loni is one of the best detergents on the market, especially for people that want to use a safe and environmentally friendly cleaning product.

1. Purple Power Heavy-Duty Vehicle and Boat Pressure Wash Concentrate

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Purple Power Heavy-Duty Vehicle and Boat Pressure Wash Concentrate is an excellent cleaning product for anybody that wants to wash boats or vehicles. Commercial cleaning companies use this power-washing detergent because it is very effective.

This is a highly concentrated detergent. A single gallon can cover up to 5,000 square feet.

This industrial-strength detergent can loosen and remove dirt, algae, grime, and mildew in less than a minute. It is an excellent option for people that want to thoroughly clean their boats, trucks, tractors, or other vehicles quickly.

1. Zep 64 oz. All-in-One Pressure Wash Cleaner

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The Zep 64 oz. All-in-One Pressure Wash Cleaner is excellent for cleaning outdoor surfaces like siding, decks, and driveways. It's extremely powerful and can remove dirt, grease, oil, mildew stains, and other common contaminants quickly. Plus, it's safe to use around pets, plants, and other sensitive areas because it is non-corrosive, non-flammable, and biodegradable. To use it, just add the cleaner to the pressure washer tank and start cleaning.

1. Sun Joe SPX-APC1G All-Purpose Heavy-Duty Pressure Washer

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Sun Joe SPX-APC1G All-Purpose Heavy Duty Pressure Washer is a highly versatile pressure washer detergent that can clean brick and other hard, abrasive surfaces. This pressure washer has received a 4.4 average rating on Amazon since it is sheer, lightweight, and easy to use. Furthermore, it is safe to use this all-purpose cleaner on metal surfaces.

In addition to being highly effective at cleaning tough messes, this pressure washer detergent is biodegradable. Therefore, it is an excellent option for customers that care about sustainability.

1. Ripper I Detergent

Ripper I Detergent does a fantastic job getting rid of soil, grime, and dirt. This pressure-washing detergent is typically used on tractors, boats, and other heavy-duty equipment. However, it can also thoroughly clean walls, driveways, stone floors, and other rough surfaces. Ripper I also works great in high-temperature environments.

This all-purpose cleaning product has a dilution ratio of 1:100. This means that it can be mixed with water to get 100 gallons of cleaning liquid for every gallon of detergent. Therefore, it is one of the most economical pressure-washing detergents on the market.

1. Value Collection 5 Gal Pressure Washing All-Purpose Detergent

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The Value Collection 5 Gal Pressure Washing All-Purpose Detergent is a cleaning solution that eliminates dirt, grime, and stains from various surfaces. It works on machinery, driveways, decking, and buildings. This detergent is specially formulated for pressure washers and can be used on concrete, vinyl, brick, and wood. It is highly concentrated, providing maximum cleaning power per gallon. It is perfect for customers with large cleaning jobs who want to get their money's worth.

1. Karcher Pressure Washer Multi-Purpose Cleaning Soap Concentrate

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Karcher Pressure Washer Multi-Purpose Cleaning Soap Concentrate is a powerful multi-purpose detergent that is capable of cleaning all types of surfaces, including buildings, sidewalks, pavement, driveways, decks, patios, industrial equipment, RVs, cars, boats, and fencing.

This detergent has received an average 4.4-star rating on Amazon since it is highly versatile, easy to use, and strong. The formula is also highly concentrated, so customers can make up to 20 gallons of detergent from one gallon of concentrate.

In addition, this multi-purpose cleaner is biodegradable and eco-friendly. Therefore, it is a great option for customers that care about sustainability.

1. Mean Green Multi-Purpose - Pressure Washer Ultra Concentrated

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This powerful pressure-washing detergent is highly effective at cleaning vehicles. It is used to clean everything from go-karts to RVs. This cleaning agent has been carefully formulated to loosen and remove grime, algae, dirt, and other unwanted substances.

While the formula is highly effective at cleaning all types of surfaces, it is also very safe for people and animals. The formula is made with biodegradable ingredients and does not contain any ammonia, acid, or bleach.

1. Krud Kutter 1-Gallon Multi-Purpose Pressure Washer Cleaner

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Krud Kutter 1-Gallon Multi-Purpose Pressure Washer Cleaner is a powerful cleaning formula that can be used for commercial applications. This detergent is strong enough to eliminate oil and grease stains, heavy mold, and mildew. It can be used on a variety of surfaces, including driveways, siding, patios, and decking.

This detergent is also made from biodegradable ingredients, making it safe for people and the environment. It is also a highly cost-effective formula and can create 20 gallons of detergent from a single gallon of concentrate. A single gallon of concentrate is strong enough detergent to cover 5, 800 square feet.

1. Mold Armor - E-Z Multi-Purpose Pressure Washer Concentrate

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Mold Armor - E-Z Multi-Purpose Pressure Washer Concentrate is a powerful cleaning product that can be used in various outdoor applications. This detergent has been carefully formulated to kill many different species of mold and mildew. It can also eliminate crime from siding, metal, and brick surfaces.

1. BE Semi-Pro Heavy Duty Degreaser Pressure Washer Concentrated Detergent

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This heavy-duty pressure washer concentrate is highly effective at cleaning a variety of different types of equipment, including lawnmowers, tractors, and industrial machinery. While it's very tough on grime and stains, it won't damage pumps or seals if it is properly diluted.

1. Simple Green - SMP13421CT 13421 Pro HD Unscented Heavy-Duty Cleaner

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Simple Green - SMP13421CT 13421 Pro HD Unscented Heavy-Duty Cleaner is excellent at cleaning concrete, metal, plastic, wood, vinyl, and carpeted surfaces. This cleaner is made with a powerful formula that thoroughly breaks down grime and stains and removes them without damaging the underlying surface.

This heavy-duty cleaning product can be used in many different types of cleaning equipment, including floor scrubbers and pressure washers. A number of commercial cleaning companies use it since it is one of the most effective detergents available.

1. Simple Green Oxy Solve Concrete and Driveway Cleaner

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Simple Green Oxy Solve Concrete, and Driveway Cleaner is a potent pressure-washing concentrate that can clean driveways, patios, and other hard surfaces. This fantastic detergent can remove the toughest stains caused by oil, rust, grease, tire marks, automotive fluids, and other substances.

Despite its highly effective cleaning capabilities, it is safe for people and pets. The formula is biodegradable and contains no chlorine or other harsh chemicals.

This cleaning product is manufactured by a small business brand, which should appeal to customers who prefer supporting smaller companies over large corporations. However, it is still a very high-quality detergent. 

1. Simpson Cleaning Heavy-Duty, Multi-Purpose Pressure Washer Cleaner

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Simpson has a great reputation for producing quality cleaning products. This detergent is no exception. Both residential and commercial cleaning companies can attest to its quality.

Simpson Cleaning Heavy-Duty, Multi-Purpose Pressure Washer Cleaner is a powerful pressure washing concentrate that can be used on various commercial and industrial equipment. It is also a great detergent for cleaning floors, walls, driveways, and patios. This cleaning product can efficiently cut through even the toughest grease, grime, and oil.

1. Generac Universal All-Purpose Pressure Washer Detergent

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Generac Universal All Purpose Pressure Washer Detergent is a potent detergent that is safe for pressure washers. It has been specifically formulated so that it won't damage pressure washer pumps.

This concentrated detergent is strong enough to remove even the toughest grime, grease, and dirt. It can be used on a variety of surfaces, including cement, concrete, finished wood, and stone.

It uses a biodegradable and water-based formula. Therefore, it is safe for people, plants, and animals.

1. Krud Kutter 128-oz House and Siding Pressure Washer Cleaner

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Krud Kutter 128-oz House and Siding Pressure Washer Cleaner is a powerful pressure washing concentrate that can clean grime, mold, dirt, and stains from driveways, walls, gutters, roofing, and other hard surfaces. It is made with a highly concentrated formula that can create 20 gallons of detergent from every gallon of concentrate.

This formula is made with biodegradable ingredients, so it is an ideal option for customers concerned about sustainability and protecting their pets and family from harsh chemicals. Customers can save 5% off their order if they are Lowe's subscribers

1. Kleen-Rite Kleen-Pak High-Pressure Detergent

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Kleen-Rite Kleen-Pak High Pressure Detergent is a very highly concentrated cleaning product that works very effectively in pressure washers. It is advertised as being the perfect solution for self-serve washing. It has a lot of suds and a dilution ratio of 2,000:1.  

1. Ecolab 1 gal. All Purpose Premium Pressure Wash

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Ecolab 1 gal. All Purpose Premium Pressure Wash is a highly concentrated, versatile cleaning product that can be used on driveways, buildings, and most other outdoor surfaces. It can be used in a variety of different types of cleaning equipment, including pressure washers. Although the formula is hard on grime, it won't damage pumps or other parts.

1. AR Blue Clean Pressure Washer Detergent

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AR Blue Clean Pressure Washer Detergent is especially effective at cleaning large vehicles, including boats, trucks, and RVs. This detergent concentrate is non-toxic and doesn't cause rust. In addition, it Doesn't damage pumps or other parts of cleaning equipment, so it can be used in pressure washers. 

1. Casco LCW Pressure Washer General Cleaner

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Casco LCW Pressure Washer General Cleaner is a highly concentrated cleaning product that can remove oil, dirt, and mildew from driveways, decks, and other hard surfaces. This product produces a few suds so that it won't damage the pumps or other pressure washer parts.