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Electric Pressure Washer with Foam Cannon
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Westinghouse 15" Surface Cleaner Attachment
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Kärcher 15" Pressure Washer Surface Cleaner
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Sun Joe Pressure Washer Cleaning Solution Trio
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STAR BRITE Non-Skid Deck Cleaner
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Protects and cleans boat decks effectively
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When it comes to maintaining the aesthetic appeal and longevity of your deck, one of the biggest challenges can be removing green algae, mold, and mildew. These unsightly green stains not only make your deck look dirty, but they can also cause the wood to deteriorate over time. That’s why using an effective detergent with your pressure washer is essential.

One of the best detergents for removing green from your deck is a bleach-based solution. Bleach is a powerful cleaning agent that can kill and remove algae, mold, and mildew, leaving your deck looking fresh and clean. However, it’s important to dilute the bleach properly and follow the manufacturer’s instructions to avoid damaging your deck or nearby vegetation.

Another excellent option for cleaning green stains from your deck is an oxygen-based cleaner. These cleaners are environmentally friendly and can be just as effective as bleach. Oxygen-based cleaners work by releasing oxygen molecules that break down and remove organic stains. They are safe to use on wood and do not pose any health risks.

Must-Have
Sun Joe Pressure Washer Cleaning Solution Trio
Versatile cleaning power with biodegradable formula
The Sun Joe 3 Pack Pressure Washer Concentrate Trio includes a house and deck wash, auto foam, and all-purpose cleaner that is biodegradable and safe for multiple surfaces. It's designed to remove dirt, grime, and mildew effectively while being gentle on surfaces.
Amazon price updated: November 27, 2025 4:51 am

In addition to bleach and oxygen-based cleaners, there are also specialized deck-cleaning detergents available on the market. These detergents are formulated to remove tough stains, including green algae, without damaging the wood. They often contain a combination of surfactants, brighteners, and mold inhibitors to ensure a thorough cleaning without causing any harm.

Regardless of the detergent you choose, it’s important to follow the instructions carefully and perform a spot test on a small area of your deck to ensure compatibility. With the right detergent and your trusty pressure washer, you can easily remove green stains and keep your deck looking beautiful for years to come.

Why You Need a Detergent for Pressure Washer

A pressure washer is a powerful tool that can efficiently clean various surfaces, from decks and driveways to siding and vehicles. However, often water alone may not be enough to remove tough stains and grime. This is where a detergent for pressure washer comes in handy.

Top Rated
Electric Pressure Washer with Foam Cannon
2.5 GPM power for efficient cleaning
This Electric Pressure Washer is equipped with four quick-connect nozzles and a foam cannon, making it ideal for various surfaces including driveways and cars. It offers powerful cleaning up to 2.5 GPM while conserving water and energy.
Amazon price updated: November 27, 2025 4:51 am

Using a detergent in conjunction with your pressure washer can significantly enhance its cleaning capabilities. Detergents are specially formulated to break down and remove stubborn dirt, grease, mildew, and other types of stains effectively. They can penetrate deep into the surface, loosening grime and making it easier to wash away.

Moreover, a good detergent can also help prevent future stains and keep surfaces looking cleaner for longer. Some detergents are designed with protective properties, creating a barrier that helps repel dirt and grime. This ensures that your newly cleaned deck or driveway stays in pristine condition for a more extended period, reducing the frequency of pressure washing.

When choosing a detergent for your pressure washer, it is essential to consider the surface you will be cleaning and the type of stain you need to remove. Different detergents are formulated for specific purposes, such as removing algae or grease. It is advisable to follow the manufacturer’s instructions regarding dilution ratios and application methods for optimal results.

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In conclusion, incorporating a detergent into your pressure washing routine can make a significant difference in the cleanliness and longevity of your surfaces. It can effortlessly remove tough stains and provide added protection, ensuring that your deck, driveway, or other surfaces remain in top condition.

Factors to Consider When Choosing Detergent for Pressure Washer

Choosing the right detergent for your pressure washer is crucial to achieving optimal cleaning results. There are several factors that you should consider before making your decision.

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Westinghouse 15" Surface Cleaner Attachment
Compatible with gas and electric pressure washers
This 15” Universal Surface Cleaner Attachment provides a quick and efficient clean for flat areas, harnessing up to 3400 PSI. It features a plug-and-go design, making it easy to attach to most pressure washers for effective cleaning.
Amazon price updated: November 27, 2025 4:51 am

1. Surface Type: The type of surface you are cleaning will determine the detergent you should use. Different surfaces, such as wood, concrete, or vinyl, require specific formulas that are designed to effectively remove dirt and grime without causing any damage.

2. Cleaning Power: The cleaning power of the detergent is another important factor to consider. You should choose a detergent that has enough strength to remove tough stains and debris but is not too harsh that it can cause harm to the surface or the environment.

3. Environmental Impact: Environmental friendliness is becoming increasingly important when choosing cleaning products. Look for detergents that are biodegradable and eco-friendly, as they will not harm the ecosystem or contaminate the water supply.

4. Compatibility: Ensure that the detergent you choose is compatible with your specific pressure washer model. Some pressure washers have specific requirements regarding the type of detergent they can use, so it is essential to check the manufacturer’s recommendations.

5. Cost: Consider the cost of the detergent and compare it to the size of the container. Make sure to factor in the cost per gallon or liter to determine the most cost-effective option.

By considering these factors, you can choose the best detergent for your pressure washer that will effectively clean your surfaces and protect the environment.

Top Recommendations for Effectively Removing Green from Your Deck

When it comes to cleaning outdoor decks, removing stubborn green stains caused by algae, moss, or mildew can be a challenging task. Fortunately, there are several highly effective detergents specifically designed for pressure washers that can help tackle this problem. Here are our top picks:

Hot Pick
Wet & Forget Outdoor Stain Remover
Effortlessly removes moss and mold stains
The Wet & Forget Outdoor Cleaner uses a unique formula that attaches to your garden hose and can reach up to 30ft to eliminate stubborn stains without scrubbing. It's effective over time and doesn't require rinsing after application.
Amazon price updated: November 27, 2025 4:51 am

1. Algae and Moss Remover Concentrate:

This concentrated detergent is specially formulated to remove green stains caused by algae and moss on outdoor surfaces, including decks. It is designed to be used with a pressure washer for maximum effectiveness. The detergent breaks down the green buildup and helps remove it from the surface without causing any damage to the deck material.

2. Mildew Remover Solution:

This mildew remover solution contains powerful cleaning agents that effectively eliminate green stains caused by mildew. It is safe to use on various deck materials and is specifically formulated to be used with a pressure washer. The solution penetrates the green stains, loosening them from the surface, making it easier to rinse them away.

3. Deck Cleaner and Brightener:

This versatile detergent combines cleaning and brightening agents to effectively remove green stains and revive the appearance of your deck. It is designed to be used with a pressure washer and is safe for use on most deck materials. The detergent not only removes the stubborn green stains but also helps restore the natural beauty of the wood or composite material.

4. Multi-Surface Cleaner:

This multi-surface cleaner is suitable for various outdoor cleaning tasks, including removing green stains from decks. It is compatible with pressure washers and effectively removes algae, mildew, and moss. The cleaner is safe to use on different surfaces, and its concentrated formula ensures that a little goes a long way.

Must-Have
Kärcher 15" Pressure Washer Surface Cleaner
Reduces cleaning time and water usage
This Kärcher Surface Cleaner is designed for pressure washers with a ¼” quick-connect fit, cleaning large surfaces quickly with its dual nozzles. It’s perfect for driveways and patios, providing a thorough clean without streaks.
Amazon price updated: November 27, 2025 4:51 am

Regardless of which detergent you choose, always make sure to follow the manufacturer’s instructions and use the proper equipment, such as a pressure washer, to achieve the best results while protecting your deck. Regular maintenance and cleaning are essential to keep your deck looking beautiful and free of green stains.

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Tips for Using Detergent with Pressure Washer Efficiently

Using detergent with a pressure washer can greatly improve the efficiency and effectiveness of your cleaning tasks. However, it is important to follow some tips to ensure that you are using the detergent properly. Here are some essential tips for using detergent with a pressure washer efficiently:

  1. Read the instructions: Before using any detergent with your pressure washer, make sure to carefully read and understand the instructions provided by the manufacturer. Different detergents may have specific dilution ratios or application techniques, so it is important to follow the guidelines.
  2. Choose the right detergent: Select a detergent that is specifically designed for use with pressure washers. These detergents are formulated to effectively remove dirt, grime, mold, and other stains from various surfaces without causing any damage. Avoid using regular household cleaning products or harsh chemicals, as they can damage the pressure washer or the surfaces being cleaned.
  3. Dilute the detergent: Most pressure washer detergents require dilution with water. Follow the recommended dilution ratio mentioned on the product label. It is important not to use more detergent than recommended, as it can leave a residue on the surfaces or even damage them.
  4. Apply the detergent evenly: Use the pressure washer’s detergent application feature to spray the detergent evenly onto the surface. Start from the bottom and work your way up to ensure that the entire area is covered. Avoid applying the detergent in direct sunlight or on hot surfaces, as it can cause the detergent to dry too quickly and reduce its effectiveness.
  5. Allow the detergent to dwell: After applying the detergent, let it dwell on the surface for the recommended amount of time mentioned on the product label. This allows the detergent to penetrate and loosen the dirt, making it easier to remove during the rinsing process.
  6. Rinse thoroughly: Once the detergent has had enough time to work, use the pressure washer to thoroughly rinse the surface. Start from the top and work your way down, making sure to remove all traces of detergent. Leaving detergent residue can lead to streaks or discoloration.

By following these tips, you can ensure that you are using detergent with your pressure washer efficiently, resulting in cleaner and more effective cleaning results. Remember to always prioritize safety, wear protective gear, and read and follow the manufacturer’s instructions for both the pressure washer and the detergent.

Top Rated
Westinghouse ePX3100 Electric Washer
Compact design with anti-tipping technology
The Westinghouse ePX3100 Electric Pressure Washer offers 2300 Max PSI and a variety of quick-connect nozzles, ideal for cleaning a range of surfaces from vehicles to driveways. Its anti-tipping design ensures stability during operation.
Amazon price updated: November 27, 2025 4:51 am

10 Best Detergent For Pressure Washer To Remove Green From Deck

Must-Have

Sun Joe Pressure Washer Cleaning Solution Trio

Versatile cleaning power with biodegradable formula
$39.97
Amazon.com
Amazon price updated: November 27, 2025 4:51 am

Features

Part Number SPX-ASST3Q
Model SPX-ASST3Q
Color multicolor
Size 32 Fl Oz (Pack of 3)
The Sun Joe 3 Pack Pressure Washer Concentrate Trio includes a house and deck wash, auto foam, and all-purpose cleaner that is biodegradable and safe for multiple surfaces. It's designed to remove dirt, grime, and mildew effectively while being gentle on surfaces.
Top Rated

Electric Pressure Washer with Foam Cannon

2.5 GPM power for efficient cleaning
$99.97 $199.99
PRIMEPRIME
Amazon.com
Amazon price updated: November 27, 2025 4:51 am

Features

Part Number S5-01
Model S5
Color Green
Is Adult Product
Size 18*14*11 inch
This Electric Pressure Washer is equipped with four quick-connect nozzles and a foam cannon, making it ideal for various surfaces including driveways and cars. It offers powerful cleaning up to 2.5 GPM while conserving water and energy.
Trending Now

Westinghouse 15" Surface Cleaner Attachment

Compatible with gas and electric pressure washers
$44.99
Amazon.com
Amazon price updated: November 27, 2025 4:51 am

Features

Part Number PWSC
Model PWSC
Warranty 180 days
Color Black
This 15” Universal Surface Cleaner Attachment provides a quick and efficient clean for flat areas, harnessing up to 3400 PSI. It features a plug-and-go design, making it easy to attach to most pressure washers for effective cleaning.
Hot Pick

Wet & Forget Outdoor Stain Remover

Effortlessly removes moss and mold stains
$31.19 $36.54
Amazon.com
Amazon price updated: November 27, 2025 4:51 am
Must-Have

Kärcher 15" Pressure Washer Surface Cleaner

Reduces cleaning time and water usage
$59.88 $91.99
Amazon.com
Amazon price updated: November 27, 2025 4:51 am

Features

Part Number 8.641-035.0
Model 8.641-035.0
Warranty 90 Days Consumer Warranty
Color Black
Size 15"
This Kärcher Surface Cleaner is designed for pressure washers with a ¼” quick-connect fit, cleaning large surfaces quickly with its dual nozzles. It’s perfect for driveways and patios, providing a thorough clean without streaks.
Top Rated

Westinghouse ePX3100 Electric Washer

Compact design with anti-tipping technology
$139.00
Amazon.com
Amazon price updated: November 27, 2025 4:51 am

Features

Part Number ePX3050
Model ePX3100
Warranty 2 Year Limited
Color Black
Size 2300 Max PSI
The Westinghouse ePX3100 Electric Pressure Washer offers 2300 Max PSI and a variety of quick-connect nozzles, ideal for cleaning a range of surfaces from vehicles to driveways. Its anti-tipping design ensures stability during operation.
Trending Now

STAR BRITE Non-Skid Deck Cleaner

Protects and cleans boat decks effectively
$28.25 $38.45
Amazon.com
Amazon price updated: November 27, 2025 4:51 am

Features

Part Number 085900N
Model 085900N
Color Clear
Release Date 2009-06-11T00:00:01Z
Size 1 Gallon
This STAR BRITE Non-Skid Deck Cleaner easily lifts stains on contact and leaves behind a UV protective coating, ensuring your boat's surfaces remain clean and protected against future stains.

FAQ:

Can I use regular household detergent with a pressure washer?

Yes, you can use regular household detergent with a pressure washer, but it is recommended to use a detergent specifically formulated for pressure washers for optimal cleaning performance.

Trending Now
STAR BRITE Non-Skid Deck Cleaner
Protects and cleans boat decks effectively
This STAR BRITE Non-Skid Deck Cleaner easily lifts stains on contact and leaves behind a UV protective coating, ensuring your boat's surfaces remain clean and protected against future stains.
Amazon price updated: November 27, 2025 4:51 am

How much detergent should I use with my pressure washer?

The amount of detergent to use with a pressure washer will depend on the specific instructions provided by the detergent manufacturer. It is important to follow these instructions to avoid using too much or too little detergent, which can affect the cleaning effectiveness.

Should I dilute the detergent before using it with a pressure washer?

Most detergents designed for pressure washers are concentrated and need to be diluted before use. Follow the instructions on the detergent packaging to determine the proper dilution ratio, as it can vary depending on the brand and type of detergent.

Can I use hot water with detergent in my pressure washer?

Yes, you can use hot water with detergent in your pressure washer. Hot water can increase the cleaning power of the detergent and help remove tougher stains and dirt. However, always check the pressure washer manufacturer’s guidelines to ensure that your machine is compatible with hot water.

Is it necessary to rinse the surface after using detergent with a pressure washer?

Yes, it is necessary to rinse the surface after using detergent with a pressure washer. This will remove any remaining detergent residue and ensure a clean and streak-free finish. Use the pressure washer without detergent or switch to a rinsing nozzle to thoroughly rinse the surface.

How much detergent should I use with a pressure washer?

It is recommended to follow the instructions provided by the manufacturer of the pressure washer and the detergent. Generally, a dilution ratio of 1:10 or 1:20 is common, but this can vary depending on the specific detergent and the cleaning task at hand.

Conclusion

In conclusion, using detergent with a pressure washer efficiently can greatly enhance the cleaning capabilities of the machine and make your cleaning tasks easier. By following these tips, such as choosing the right detergent for the job, pre-treating the surface, and applying the detergent at the correct concentration, you can achieve better results in less time. Additionally, proper storage and maintenance of your pressure washer and detergent can help prolong their lifespan and ensure optimal performance. So, make sure to keep these tips in mind the next time you are using detergent with a pressure washer for a successful and efficient cleaning experience.