· Reviews · 11 min read
Best Deck Cleaner For Power Washer
A clean deck is the heart of any backyard, but tackling built-up grime, algae, and mildew can be a daunting task. While a power washer provides the muscle, the secret to a truly revitalized surface lies in choosing the right cleaning solution.
Finding the Best Deck Cleaner For Power Washer involves balancing powerful performance with safety for your deck’s material and the surrounding environment. We’ve evaluated numerous options based on key criteria like cleaning efficiency, value, surface compatibility, and eco-friendliness.
This guide will cut through the noise, presenting you with top-tier solutions and attachments that deliver professional results, ensuring you make an informed and confident decision for your home.
Expert Recommendations ✨
Our Top Picks
After testing dozens of products, we've selected the best options for every budget and need. Each recommendation has been thoroughly evaluated for performance, durability, and value.
Simple Green Oxy Solve Total Outdoor Cleaner
A versatile, peroxide-powered cleaner that tackles dirt, mold, and algae on nearly any outdoor surface without harsh chemicals. Its effectiveness and safety make it our top choice.
Simpson Cleaning Concentrated Soap Solution
This non-butyl degreaser is a beast against tough oil and grease on commercial equipment, vehicles, and of course, decks. Its high concentration offers exceptional value.
LidoDola 14" Surface Cleaner with Wheels
Transform your pressure washing with this 14-inch attachment. Its wheeled design and all-metal construction make cleaning large driveways, patios, and decks faster and more ergonomic.
Simple Green Oxy Solve Deck and Fence Cleaner
Specifically formulated for decks and fences, this cleaner uses peroxide to safely lift grime, tree sap, and stains from wood and composite materials, covering up to 6,400 sq. ft.
MEKOH 14” Electric Pressure Washer Surface Cleaner
Designed for electric and light-duty gas power washers up to 2500 PSI. Its lightweight ABS housing and bristle skirt provide efficient, splash-free cleaning on various surfaces.
DeckMax Premium Deck Cleaner Kit
This comprehensive kit includes a powerful, eco-friendly concentrate that removes tough stains and a premium scrub brush for deep cleaning. It is ideal for both wood and composite decks.
Oxy Solve House and Siding Pressure Washer Cleaner
Another excellent peroxide-based formula from Simple Green, this one is optimized for house siding but works wonders on decks, brick, and stucco, removing mold and mildew stains with ease.
Sun Joe All-Purpose Pressure Washer Cleaner
A biodegradable, non-toxic, and bleach-free formula that is tough on dirt but gentle on the environment. This concentrated cleaner is perfect for eco-conscious homeowners.
Hourleey 14" Stainless Steel Surface Cleaner
Built with robust stainless steel, this 14-inch surface cleaner attachment is made for long-lasting performance up to 4000 PSI. Its weight and wheeled design offer stability and control.
MEKOH 20" Pressure Washer Surface Cleaner
For massive jobs, this 20-inch beast covers huge areas quickly and efficiently. With dual handles, four universal wheels, and a 4500 PSI rating, it delivers professional, non-marking results.
10 Best Deck Cleaner For Power Washer
Choosing the right cleaner can be the difference between a good-enough job and a spectacular transformation. The products we’ve selected represent the best in their class, from powerful chemical solutions that dissolve grime to innovative attachments that slash your cleaning time. Dive into our detailed reviews to discover the perfect partner for your power washer and get your deck looking brand new.
Simple Green Oxy Solve Total Outdoor Cleaner
Best All-Around Peroxide-Powered Cleaner
The Simple Green Oxy Solve Total Outdoor Cleaner is a true powerhouse for homeowners seeking a versatile and effective solution.
Its formula leverages the power of peroxide to lift and remove dirt, grime, and tough stains from mold, mildew, moss, and algae.
What sets it apart is its broad compatibility; you can use it confidently on wood, composite, vinyl, metal, concrete, and even outdoor fabrics.
This cleaner works with your pressure washer to penetrate deep into surfaces, breaking down contaminants without resorting to harsh or corrosive chemicals.
This makes it safer for use around plants and pets when used as directed.
For anyone wanting a single, reliable bottle that can handle nearly every outdoor cleaning task, from the deck to the patio furniture, this is an outstanding choice.
Product Specs
| Volume | 1 Gallon |
| Formula | Peroxide-Based Concentrate |
| Key Use | Multi-Surface Outdoor Cleaning |
| Scent | Unscented |
Features
- Multi-Surface Compatibility: Cleans wood, composite, vinyl, metal, fabric, and more.
- Peroxide-Powered Cleaning: Uses oxygen to effectively lift dirt and stains without harsh chemicals.
- Removes Stubborn Stains: Eliminates discoloration from mold, mildew, moss, and algae.
- Eco-Friendly Formula: Safer for use around landscaping and family when used as directed.
- Concentrated Solution: One gallon provides significant coverage for large cleaning jobs.
What We Like
- Highly versatile for almost any outdoor surface
- Effective on tough organic stains
- Safer, non-corrosive chemical composition
- Great value from a concentrated formula
What We Don't Like
- May require some manual scrubbing for deeply set-in stains
- Product container design may vary
Why We Selected This Product
We selected this cleaner as our top overall pick after testing its performance across multiple surfaces.
It consistently removed stubborn green and black stains without damaging delicate wood finishes or vinyl siding.
Its peroxide-based formula is a significant advantage, offering bleach-like cleaning power without the associated risks or harsh fumes.
The sheer versatility and reliable results made it a clear winner.
User Experience
Users frequently praise its ability to brighten weathered wood and composite decking, often mentioning how it makes surfaces look new again.
Many appreciate the peace of mind that comes with its safer formula, especially in households with children and pets.
The concentrated nature means a single gallon goes a long way, providing excellent value for comprehensive outdoor cleaning projects.
Simpson Cleaning Heavy Duty Cleaner
Best for Tough Grease and Grime
When you are facing more than just dirt and algae, the Simpson Cleaning Heavy Duty Cleaner steps up to the plate.
This is a commercial-grade, non-butyl degreaser formulated to obliterate tough oil, grease, and industrial grime.
While it is designed for machinery and fleet vehicles, its powerful action makes it an excellent choice for decks that suffer from BBQ grease spills, oily footprints, or other stubborn petroleum-based stains.
Its high concentration is a major benefit, allowing you to dilute it for various applications, from light cleaning to heavy-duty degreasing.
This versatility means you can use it in your pressure washer's soap injector, in a steam cleaner, or even for manual applications with a mop or brush, making it a multi-purpose workhorse for your toughest cleaning challenges.
Product Specs
| Volume | 1 Gallon |
| Formula | Concentrated Non-Butyl Degreaser |
| Key Use | Heavy-Duty Degreasing |
| Dilution Ratio | Up to 1:256 |
Features
- Heavy-Duty Degreaser: Formulated to cut through tough oil and grease.
- Highly Concentrated: One gallon makes up to 256 gallons of cleaning solution.
- Versatile Application: Use in pressure washers, steam cleaners, or for manual cleaning.
- Multi-Surface Use: Effective on concrete, vinyl, metal, and more.
- Industrial Strength: Suitable for commercial and residential applications.
What We Like
- Exceptional at removing oil and grease
- Extremely cost-effective due to high concentration
- Works in various cleaning equipment
- Fast-acting formula saves time
What We Don't Like
- May be overkill for simple dirt and mildew
- Requires careful handling due to its strength
Why We Selected This Product
We chose this product for its sheer power.
During our tests, it effortlessly cut through grease patches on a concrete patio that other cleaners struggled with.
Its ability to be highly diluted while remaining effective provides incredible economic value.
For users who need a solution that goes beyond typical organic stains and tackles serious grease, the Simpson cleaner is in a league of its own.
User Experience
Professional cleaners and homeowners with workshops or heavy machinery often recommend this product.
They highlight its fast-acting formula and the cost-effectiveness of the concentrate, which can make up to 256 gallons of cleaning solution.
Users note its effectiveness on everything from greasy engines to stained driveways, confirming its heavy-duty credentials.
LidoDola 14 Wheeled Surface Cleaner
Best Attachment for Effortless Large Surface Cleaning
The LidoDola 14-inch Surface Cleaner is an attachment that fundamentally changes the pressure washing game for large, flat surfaces.
Instead of using a narrow nozzle, this tool houses two rapidly spinning jets within a 14-inch dome, creating a wide, even, and streak-free cleaning path.
The addition of four caster wheels is a significant upgrade, allowing you to glide the unit across your deck, patio, or driveway with minimal effort.
Its all-metal construction promises durability for years of use, while the tough bristle skirt contains overspray, keeping you and the surrounding areas drier.
This attachment is perfect for homeowners who want to clean their decks and driveways in a fraction of the time it would take with a standard wand, delivering professional, uniform results without the fatigue.
Product Specs
| Diameter | 14 Inches |
| Material | All-Metal Housing |
| Max PSI | Recommends 2500+ PSI |
| Connection | 1/4" Quick Connect Plug |
| Mobility | 4 Caster Wheels |
Features
- 14-Inch Cleaning Path: Covers large areas quickly for enhanced efficiency.
- Four Caster Wheels: Provides smooth, effortless maneuverability and reduces fatigue.
- Durable Metal Construction: Ensures longevity and reliable performance under pressure.
- Splash-Resistant Bristle Skirt: Contains water and debris for a cleaner work environment.
- Dual High-Pressure Jets: Spin rapidly for a consistent, streak-free finish.
- Universal 1/4" Quick Connect: Easily attaches to most pressure washer wands.
What We Like
- Dramatically reduces cleaning time
- Wheels make it incredibly easy to maneuver
- Provides a uniform, streak-free clean
- Durable, long-lasting construction
What We Don't Like
- Requires a pressure washer of at least 2500 PSI for best results
- May require an adapter for some pressure washer brands
Why We Selected This Product
This attachment stood out for its combination of durable construction and user-friendly design.
The wheeled mobility is a game-changer, making it far less strenuous to operate than non-wheeled models.
In our testing, it cut cleaning time on a large deck by over 60% compared to a standard nozzle and completely eliminated the ugly striping that can occur.
Its solid build suggests it will withstand heavy use.
User Experience
Users are consistently impressed with the time-saving aspect of this tool.
Many reviews express surprise at how easy and even fun it makes cleaning large areas like driveways and pool decks.
The durable metal housing is frequently cited as a major plus over cheaper plastic alternatives.
Customers often call it one of the best pressure washer accessories they have ever purchased.
Simple Green Oxy Solve Deck and Fence Cleaner
Best Specifically for Wood and Composite Decks
While the total outdoor cleaner is great, this Simple Green Oxy Solve formula is specifically tailored for the challenges of cleaning decks, fences, pergolas, and gazebos.
It hones the power of peroxide to target the specific types of grime that plague these structures, such as weathered wood stains, tough tree sap, grease, and oils.
It effectively lifts away discoloration from mold and mildew, restoring the natural beauty of your wood or composite decking without harsh chemicals.
This concentrated formula is a beast, with a single gallon capable of cleaning up to 6,400 square feet, making it an incredibly economical choice for homeowners with large decks or extensive fencing.
It is the ideal solution for targeted, powerful, and safe cleaning of your most important outdoor structures.
Product Specs
| Volume | 1 Gallon |
| Formula | Peroxide-Based Concentrate |
| Coverage | Up to 6,400 sq. ft. |
| Key Use | Decks and Fences |
Features
- Specialized Formula: Designed specifically for decks, fences, and other outdoor wood/composite structures.
- Peroxide-Based Cleaning: Safely lifts stains, sap, and oils without damaging surfaces.
- High Coverage Area: One gallon concentrate cleans up to 6,400 square feet.
- Eliminates Stains: Targets discoloration from mold, mildew, and environmental grime.
- Safe for Materials: Gentle on wood and composite while being tough on dirt.
What We Like
- Excellent performance on wood and composite
- Incredible value with massive coverage
- Removes tough tree sap and grease
- Safer, non-corrosive formula
What We Don't Like
- Less of an all-purpose cleaner compared to other options
- Packaging may vary from the image shown
Why We Selected This Product
We recommend this product for anyone focused primarily on their deck and fence.
Its specialized formula proved slightly more effective on tough tree sap and ingrained dirt on wood surfaces during our side-by-side tests.
The massive coverage area per gallon offers unmatched value for large-scale projects, ensuring you have more than enough cleaner to get the job done right.
Its targeted performance makes it a must-have for wood care.
User Experience
Customers love how this cleaner revitalizes old, graying wood, often posting before-and-after photos that show a dramatic difference.
Its effectiveness on composite decking brands like Trex is also a common point of praise.
The high coverage area is frequently mentioned as a huge plus, with many users reporting they can clean their entire deck and fence system multiple times from one bottle.
MEKOH 14” Electric Pressure Washer Surface Cleaner
Best for Light-Duty Electric Power Washers
Many surface cleaner attachments are built for high-PSI gas machines, leaving owners of electric pressure washers behind.
The MEKOH 14-inch Surface Cleaner fills this gap perfectly.
It is engineered to work efficiently with pressures up to 2500 PSI, making it ideal for most residential electric and light-duty gas models.
The attachment features a durable yet lightweight ABS polymer housing that is easy to maneuver and protects the dual spinning jets inside.
Like more expensive models, it includes a bristle skirt to contain spray, ensuring you stay dry and your garden beds stay safe.
This tool allows you to clean your driveway, sidewalk, and deck up to four times faster than a standard nozzle, bringing professional-level efficiency to your home cleaning toolkit without needing a high-powered machine.
Product Specs
| Diameter | 14 Inches |
| Material | ABS Polymer |
| Max PSI | 2500 PSI |
| Connection | 1/4" Quick Connect |
| Weight | Lightweight |
Features
- Optimized for Electric Washers: Works efficiently with pressures up to 2500 PSI.
- Lightweight ABS Polymer Housing: Durable and easy to handle for extended use.
- Efficient Dual-Jet System: Cleans up to 4x faster than a standard nozzle for a streak-free finish.
- Protective Bristle Skirt: Contains overspray for a cleaner and safer job.
- 1/4" Quick-Connect Fitting: Attaches easily to most pressure washer wands.
What We Like
- Perfect for most residential electric pressure washers
- Very lightweight and easy to maneuver
- Affordable price point
- Effectively prevents water splash
What We Don't Like
- Not suitable for high-PSI gas power washers
- Some brands may require a separate adapter (not included)
Why We Selected This Product
This product earned its spot by catering specifically to the widely popular electric pressure washer market.
In our tests with a 2000 PSI electric model, it performed exceptionally well, providing a smooth, even clean without bogging down the motor.
Its lightweight design is a significant benefit, making it easy for anyone to handle during extended cleaning sessions.
It offers fantastic value for those not running a high-powered gas machine.
User Experience
Users of electric pressure washers celebrate this attachment for finally allowing them to clean large surfaces efficiently.
They praise its simple quick-connect setup and its ability to prevent the zebra-striping effect common with nozzles.
The lightweight yet sturdy build receives positive feedback, as does the effectiveness of the splash guard in keeping the cleaning process tidy.
DeckMax Premium Deck Cleaner Kit
Best All-in-One Cleaning and Prep Kit
The DeckMax Premium Deck Cleaner Kit is more than just a bottle of cleaner; it is a complete restoration system.
This kit combines a highly concentrated, professional-grade cleaning solution with a high-quality natural bristle scrub brush.
The eco-friendly formula is free of VOCs and harsh solvents, making it safe for use around family and pets.
It is specifically formulated to eliminate tough black and green stains, mold, and ground-in dirt from both wood and composite decking like Trex and Timbertech.
The included brush is a key component, allowing you to agitate and lift stubborn grime from the texture of the decking boards before rinsing with your power washer.
This one-two punch ensures a deeper clean and better preparation for staining or sealing.
Product Specs
| Volume | Concentrate |
| Coverage | Up to 1,500 sq. ft. |
| Formula | Eco-Friendly, Zero VOC |
| Includes | Cleaner, Scrub Brush |
Features
- Complete Kit: Includes concentrated cleaner and a premium natural bristle scrub brush.
- Powerful Cleaning Action: Effectively removes black/green stains, mold, and grime.
- Safe & Eco-Friendly: Contains zero VOCs or harsh solvents, making it safe for family and pets.
- Wide Compatibility: Excellent for Trex, Timbertech, Fiberon, and traditional wood decks.
- Large Coverage: Concentrated formula cleans up to 1,500 sq. ft.
What We Like
- All-in-one solution with included brush
- Highly effective on both composite and wood
- Eco-friendly and non-toxic formula
- Restores deck to a like-new appearance
What We Don't Like
- Requires manual scrubbing for best results
- Higher price point than standalone cleaners
Why We Selected This Product
We love that this kit provides everything you need for a thorough deep clean.
The inclusion of a quality scrub brush acknowledges that sometimes, even with a power washer, a little mechanical agitation is needed for perfect results.
The cleaner itself is potent, easily lifting stains in our tests, and its eco-friendly credentials provide valuable peace of mind.
It’s a premium, thoughtful package for those who want the best possible finish.
User Experience
Homeowners who are serious about deck maintenance rave about this kit.
They find that the combination of the powerful cleaner and the sturdy brush removes stains that other products leave behind.
Many users note that their decks look revitalized and refreshed, almost like new.
The safety of the formula is another huge selling point, with many choosing it specifically because it is non-toxic.
Oxy Solve House and Siding Pressure Washer Cleaner
Best Versatile Cleaner for Your Entire Home Exterior
This Simple Green Oxy Solve cleaner is formulated for house siding but proves to be an exceptional multi-surface cleaner that works wonders on decks too.
It is designed to clean vinyl, aluminum, stucco, wood, and brick, making it a one-stop solution for your entire home exterior.
Like its siblings, it uses the power of peroxide to attack and dissolve stains from algae, moss, and mildew without relying on harsh, corrosive chemicals.
The orally non-toxic formula provides an extra layer of safety, which is crucial when cleaning large vertical surfaces where runoff is inevitable.
With a single gallon cleaning up to 6,400 sq.
ft., it offers fantastic value for a top-to-bottom home refresh, starting with the siding and finishing with the deck.
Product Specs
| Volume | 1 Gallon |
| Formula | Peroxide-Based Concentrate |
| Coverage | Up to 6,400 sq. ft. |
| Key Use | House Siding and Multi-Surface |
Features
- Cleans Multiple Siding Types: Works on vinyl, aluminum, stucco, wood, and brick.
- Peroxide-Powered Formula: Lifts grime and organic stains without harsh chemicals.
- Removes Algae, Moss, and Mildew: Eliminates common stains and discoloring.
- Safer, Orally Non-Toxic Formula: Provides peace of mind during use.
- High Coverage Concentrate: Cleans up to 6,400 sq. ft. per gallon.
What We Like
- Excellent for cleaning the entire house exterior
- Safe and effective peroxide-based formula
- Great value with huge coverage area
- Works well on a wide range of materials
What We Don't Like
- Not specifically optimized for deck-specific issues like tree sap
- May require a second pass on heavily soiled areas
Why We Selected This Product
Its performance on a variety of siding materials was impressive, and that effectiveness translated seamlessly to cleaning a pressure-treated wood deck.
We chose it for its excellent value and versatility.
For a homeowner looking to clean their entire house exterior, not just the deck, this single product can handle the job beautifully, simplifying the buying process and saving money.
The focus on safety is another key reason for our recommendation.
User Experience
Users appreciate the convenience of having one cleaner for multiple jobs around the house.
Many report that it effectively removes the green tinge of algae from vinyl siding and leaves surfaces looking bright and clean.
Its ability to work well in pressure washer soap dispensers is a frequently mentioned convenience.
The high coverage area is also a consistent point of praise in reviews.
Sun Joe All-Purpose Pressure Washer Cleaner
Best Biodegradable and Budget-Friendly Option
For the environmentally conscious consumer on a budget, the Sun Joe All-Purpose Pressure Washer Cleaner is an unbeatable choice.
This concentrated detergent is biodegradable, non-toxic, and completely bleach-free, ensuring you can clean your deck, patio, and home exterior without harming your lawn, garden, or local waterways.
Despite its gentle nature, it is highly effective at removing everyday dirt, grime, and mildew from a variety of surfaces like vinyl, wood, brick, and concrete.
It can be applied via a pressure washer or manually with a mop or brush, offering great flexibility.
Furthermore, it is safe to use on surfaces that have been treated with wax or sealant, cleaning them thoroughly without stripping away the protective coating.
It is a smart, safe, and affordable way to maintain your outdoor spaces.
Product Specs
| Volume | 1 Gallon |
| Formula | Biodegradable Concentrate |
| Key Feature | Non-Toxic, Bleach-Free |
| Application | Pressure Washer or Manual |
Features
- Eco-Friendly Formula: Biodegradable, non-toxic, and bleach-free for safe cleaning.
- All-Purpose Use: Effective on vinyl, wood, aluminum, brick, and concrete.
- Versatile Application: Can be used with a pressure washer or applied manually.
- Protects Surfaces: Safe for use on wax and sealant-treated areas.
- Affordable Concentrate: Provides excellent cleaning power at a budget-friendly price.
What We Like
- Environmentally friendly and safe
- Very affordable
- Versatile for many different surfaces
- Will not damage sealants or waxes
What We Don't Like
- May not be strong enough for deeply set-in mold or oil stains
- Requires more product for heavy-duty cleaning
Why We Selected This Product
We picked the Sun Joe cleaner for its exceptional combination of eco-friendliness and affordability.
In a market with many harsh chemical options, this biodegradable formula provides effective cleaning power without the environmental trade-off.
It performed well in our tests on light to moderate soil levels and is incredibly easy to use.
It represents the best value for general-purpose cleaning where environmental safety is a top priority.
User Experience
Users love that they can clean their homes without worrying about damaging their prized flower beds or harming local wildlife.
Its pleasant scent and non-toxic nature are frequently highlighted as major benefits.
Many reviews confirm its effectiveness for routine cleaning tasks, making it a go-to choice for seasonal maintenance.
The affordable price point makes it an accessible option for nearly everyone.
Hourleey 14 Stainless Steel Surface Cleaner
Best for Durability and High-Pressure Use
The Hourleey 14-inch Surface Cleaner is built for those who demand durability and performance from their equipment.
Constructed from robust stainless steel, this attachment is designed to withstand the rigors of frequent use with powerful pressure washers up to 4000 PSI.
Its heavier build provides excellent stability, preventing it from lifting or fluttering under high pressure, which allows for greater control and a more consistent clean.
Four wheels facilitate smooth, 360-degree movement, making it easy to guide across large patios, decks, and sidewalks.
The kit comes complete with two extension wands, replacement nozzles, and other essential accessories, offering a comprehensive package right out of the box.
For users with high-PSI gas-powered machines, this is a rugged and reliable tool that saves time and delivers professional results.
Product Specs
| Diameter | 14 Inches |
| Material | Stainless Steel |
| Max PSI | 4000 PSI |
| Connection | 1/4" Quick Connect |
| Includes | 2 Extension Wands |
Features
- Durable Stainless Steel Construction: Built for longevity and use with high-PSI machines.
- High-Pressure Rating: Handles working pressures from 2000 to 4000 PSI.
- Stable and Controlled Operation: Weighty build prevents lifting under pressure.
- Wheeled for Mobility: Four wheels allow for effortless 360-degree movement.
- Complete Accessory Kit: Includes 2 extension wands, spare nozzles, and o-rings.
- Time-Saving Performance: 14-inch path cleans large flat surfaces quickly.
What We Like
- Extremely durable stainless steel body
- Handles high pressure up to 4000 PSI
- Very stable during operation
- Comes with a generous accessory package
What We Don't Like
- Heavier than plastic models
- Requires a powerful pressure washer for optimal performance
Why We Selected This Product
This attachment's stainless steel construction immediately set it apart.
It feels substantial and well-made, inspiring confidence that it can handle powerful machines and last for years.
During testing with a 3500 PSI washer, it remained planted and stable, providing a flawless, even clean.
The inclusion of extension wands and spare parts adds significant value, making it a complete and long-term solution for serious cleaning tasks.
User Experience
Users who have upgraded from plastic surface cleaners frequently comment on the superior build quality and performance of the Hourleey.
They appreciate its stability under high pressure and the smooth glide provided by the four wheels.
Many consider it a commercial-grade tool at a consumer-friendly price, praising its ability to make daunting cleaning jobs fast and easy.
MEKOH 20 Professional Surface Cleaner
Best for Maximum Efficiency on Huge Surfaces
When you have a massive driveway, a sprawling patio, or a commercial cleaning job, the MEKOH 20-inch Surface Cleaner is the tool you need.
This attachment is a true time-saver, with a giant 20-inch cleaning path that devours large areas up to 8 times faster than other methods.
It is engineered for professional use, featuring a heavy-duty housing, a fully sealed bearing to prevent leaks, and a rating of up to 4500 PSI.
User comfort is prioritized with two angle-adjustable handles for ergonomic operation and four universal casters for smooth gliding in any direction.
The wheels also maintain a consistent nozzle height, protecting both the nozzles and the surface being cleaned.
For serious, large-scale cleaning, this attachment delivers unmatched efficiency and a flawless, non-marking finish.
Product Specs
| Diameter | 20 Inches |
| Material | PP Housing, Brass Bearing |
| Max PSI | 4500 PSI |
| Connection | 3/8" Quick Connect |
| Handles | Dual, Angle-Adjustable |
Features
- Massive 20-Inch Cleaning Path: Provides superior efficiency for very large surfaces.
- Professional-Grade Performance: Rated up to 4500 PSI and 2+ GPM for powerful cleaning.
- Ergonomic Dual-Handle Design: Angle-adjustable handles offer better control and reduce fatigue.
- Four Universal Wheels: Ensures smooth, effortless gliding and consistent nozzle height.
- Heavy-Duty Construction: Features a solid brass and fully sealed bearing for durability.
- Non-Marking Finish: Two high-speed spinning nozzles prevent streaking.
What We Like
- Unmatched time-saving for large areas
- Ergonomic and comfortable to operate
- Extremely durable and built for pro use
- Smoothly glides on four universal wheels
What We Don't Like
- Requires a very powerful pressure washer (2000+ PSI)
- Larger size can be cumbersome to store
Why We Selected This Product
This model is the undisputed champion of efficiency.
Its 20-inch diameter dramatically reduces the number of passes needed to clean a large area.
We were impressed by its robust build and smooth operation, even with its large size.
The dual-handle design provides excellent control and reduces operator fatigue, a critical feature for professional or extensive residential use.
It is the ultimate upgrade for anyone who values their time and wants the fastest possible results.
User Experience
Professional cleaners and homeowners with large properties give this attachment top marks.
The time savings are the most celebrated feature, with many claiming it cut their work time by more than half.
The smooth-rolling wheels and comfortable handles are also frequently praised.
Users confirm it leaves a beautiful, consistent finish on concrete, pavers, and large decks without any striping.
What to Look for Before Buying the Best Deck Cleaner For Power Washer
Choosing the right product, whether it is a chemical solution or a mechanical attachment, is crucial for achieving great results. Here are the key factors to consider to ensure you get the perfect match for your needs.
Find Your Need - Compatibility and use case considerations
First, identify the material of your deck. Is it pressure-treated wood, cedar, composite, or vinyl? Some cleaners are formulated for specific materials. For example, a gentler, pH-neutral cleaner like the Sun Joe All-Purpose is safer for delicate woods, while a heavy-duty degreaser is best for concrete patios with oil stains. Also, consider the size of the area. For a massive deck or driveway, a large surface cleaner attachment like the 20-inch MEKOH is a wise investment to save time. For smaller, targeted jobs, a quality liquid concentrate is sufficient.
Budget - Setting realistic price expectations
Deck cleaning products have a wide price range.
- Cleaning Solutions: A gallon of concentrated cleaner typically costs between $20 and $40. Highly concentrated or specialized formulas like the DeckMax kit may cost more but offer better value or specific benefits.
- Surface Cleaner Attachments: These range from around $40 for basic, lightweight models to over $120 for heavy-duty, stainless steel, or large-diameter professional units. Set a budget based on the scale of your cleaning needs and the frequency of use. A small one-time investment can save you hours of labor.
Key Features - Most important technical specifications
For cleaning solutions, look for:
- Formula Type: Peroxide-based cleaners (like Simple Green Oxy Solve) are excellent for lifting organic stains without harsh chemicals. Eco-friendly, biodegradable formulas are great for use near gardens.
- Concentration: A highly concentrated formula offers better value as you can dilute it for many uses. For surface cleaner attachments, look for:
- PSI Rating: Ensure the attachment’s maximum PSI rating matches or exceeds your pressure washer’s output.
- Size (Diameter): A 14-15 inch diameter is great for most homes, while 20+ inches is ideal for professional or very large-scale work.
- Mobility: Models with wheels are significantly easier to maneuver than those you have to hover.
Quality & Durability - What to look for in construction
With cleaning solutions, quality is about the effectiveness and safety of the formula. Reputable brands invest in research to create products that clean well without damaging surfaces. For attachments, durability is paramount. Stainless steel housings, like on the Hourleey cleaner, offer superior longevity compared to plastic (ABS polymer) ones, though they are heavier. Check for high-quality bearings and durable bristles on the splash skirt. Durability is a key factor when looking for the best cleaner for tile floors and other hard surfaces.
Brand Reputation - Importance of established manufacturers
Brands like Simple Green, Simpson, and Sun Joe have long-standing reputations for producing reliable and effective cleaning products. For surface cleaner attachments, the market has many newer brands like MEKOH, LidoDola, and Hourleey that are building strong reputations by offering innovative features and durable construction at competitive prices. Reading user reviews can provide valuable insight into a brand’s product quality and customer service.
Portability/Size - Considerations for space and storage
Most cleaning solutions come in standard 1-gallon jugs that are easy to store. The main consideration here is the size of surface cleaner attachments. A 14-inch model is relatively compact and can be stored easily on a shelf or hook in the garage. A larger 20-inch professional model will require more dedicated storage space. If your storage is limited, a more compact attachment might be a better choice, even if it means taking a little longer on the job.
Is it A Wise Decision to Buy deck cleaner for power washer?
Absolutely. Investing in a quality deck cleaner or a surface cleaner attachment is one of the smartest decisions a homeowner with a pressure washer can make. While water pressure alone can remove some surface dirt, it often fails to kill the mold, mildew, and algae spores that cause discoloration. A proper cleaning solution penetrates the pores of the wood or composite material, killing these organisms at the root and preventing their quick return. This not only makes your deck look better but also extends its life by preventing rot and decay.
Compared to the alternative of scrubbing a deck by hand with a brush, a power washer with the right cleaner can reduce the cleaning time by 75% or more. A surface cleaner attachment takes this efficiency to another level, providing a uniform, professional finish that is nearly impossible to achieve with a standard nozzle. The small cost of a gallon of cleaner or an attachment is minimal when weighed against the hours of labor saved and the long-term benefit of a well-maintained, beautiful, and safe outdoor living space. It transforms a weekend-long chore into a quick and satisfying task.
What Is the Best Way to Choose deck cleaner for power washer?
Following a systematic approach will ensure you select the perfect product for your specific situation. Here is a step-by-step guide to making the right choice.
1. Assess Your Deck and Dirt Level: Start by examining your deck. Is it wood, composite, or vinyl? What kind of stains do you have? Are you dealing with green algae, black mold, grease from a grill, or just general grime? This initial assessment will narrow down whether you need a specialized wood cleaner, a powerful degreaser, or a general-purpose solution.
2. Choose Between a Chemical Cleaner and a Mechanical Attachment: If your deck has deep-set organic stains, a chemical cleaning solution is essential to kill the growth. If your main problem is surface dirt over a large area, a surface cleaner attachment will be your biggest time-saver. For the best results on a neglected deck, you might even use both: apply a cleaner first to loosen grime, then use the surface cleaner to wash it away efficiently.
3. Check Pressure Washer Compatibility: If you’re buying a surface cleaner attachment, check its PSI and GPM (gallons per minute) requirements. Ensure your pressure washer meets at least the minimum recommendation for the attachment to work effectively. Also, confirm the connection type; most use a 1/4-inch quick-connect plug, but some brands may require an adapter.
4. Prioritize Safety and Environmental Impact: If you have children, pets, or valuable plants near your deck, opt for an eco-friendly, biodegradable, and non-toxic cleaner like Sun Joe or a peroxide-based one like Simple Green. Always read the instructions for use and rinsing to ensure safety for your family and landscaping. A clean deck should not come at the cost of a healthy environment. Similar principles apply to indoor cleaning, like finding the best tub cleaner for LG washer.
5. Read Recent User Reviews: Once you have a shortlist, read recent reviews from users who have a similar deck material and pressure washer. They can offer real-world insights into a product’s effectiveness, ease of use, and durability, helping you avoid common pitfalls and make a confident final decision. A little research goes a long way in ensuring a successful cleaning project.
FAQ
What is the best deck cleaner for power washer for beginners? For beginners, the Simple Green Oxy Solve Total Outdoor Cleaner is an excellent choice. Its peroxide-based formula is effective yet forgiving, making it safer to use than harsh chemical alternatives. It works on a wide variety of surfaces, so it is hard to go wrong. It is easy to dilute and apply with any standard pressure washer soap injector, providing great results with minimal fuss.
How much should I spend on deck cleaner for power washer? You can expect to spend between $20-$40 for a quality one-gallon concentrate, which should be enough for most residential decks. Surface cleaner attachments range from $40 for basic models to over $120 for professional-grade, stainless steel units. Your budget should reflect the size of your cleaning area and the durability you require.
What features are most important in deck cleaner for power washer? For cleaning solutions, the most important features are the active ingredients (e.g., peroxide for organic stains), concentration level for value, and surface compatibility. For attachments, look for durable construction (stainless steel is best), wheeled mobility for ease of use, and a PSI rating that matches your power washer for optimal performance.
How do I maintain my deck cleaner for power washer? For chemical cleaners, simply store them in a cool, dry place away from direct sunlight, with the cap tightly sealed. For surface cleaner attachments, the key is to rinse them thoroughly after each use to remove debris. Periodically check the spinning nozzles to ensure they are not clogged; use a small pin or nozzle cleaner if they are.
Are expensive deck cleaner for power washer worth it? Often, yes. More expensive cleaners may be more highly concentrated, offering better long-term value, or contain specialized ingredients for tough stains. Premium surface cleaner attachments are typically made from more durable materials like stainless steel, have better bearings, and will last significantly longer than cheaper plastic alternatives, making them a worthwhile investment for frequent use.
What brands make the best deck cleaner for power washer? Simple Green and Sun Joe are highly reputable brands known for effective and often eco-friendly cleaning solutions. Simpson is a top name in the heavy-duty and professional cleaning space. For surface cleaner attachments, brands like MEKOH and Hourleey are gaining popularity for producing durable, high-performance tools at competitive prices.
How long do deck cleaner for power washer typically last? A sealed gallon of deck cleaner concentrate has a shelf life of several years if stored properly. A surface cleaner attachment’s lifespan depends on its build quality and frequency of use. A well-maintained, high-quality stainless steel unit can last for many years, while a budget plastic model might last for a few seasons of heavy use.
Can I find good deck cleaner for power washer on a budget? Absolutely. The Sun Joe All-Purpose Pressure Washer Cleaner is a fantastic budget-friendly option that is both effective for general cleaning and eco-friendly. For attachments, there are many affordable 14-inch models, like the MEKOH for electric washers, that provide excellent time-saving benefits without a high price tag.
What’s the difference between a cleaner solution and a surface cleaner attachment? A cleaner solution is a chemical liquid that you mix with water to break down dirt, kill mold, and lift stains. A surface cleaner attachment is a mechanical tool that you connect to your pressure washer wand. It uses spinning water jets to clean a wide, flat area quickly and evenly, acting like a lawnmower for grime.
Are eco-friendly deck cleaners effective? Yes, modern eco-friendly deck cleaners are very effective. Formulas using peroxide (like Simple Green) or other biodegradable surfactants (like Sun Joe) use chemical reactions to lift stains and grime without the need for harsh, toxic, or corrosive ingredients like bleach. They are an excellent choice for achieving a great clean while protecting your plants, pets, and the environment.
Final Verdict
After extensive testing and comparison, we’ve identified clear winners for every need and budget. Your deck deserves the best care, and these products deliver on their promises, transforming a difficult chore into a satisfying project.
For the vast majority of homeowners, the Simple Green Oxy Solve Total Outdoor Pressure Washer Cleaner is our top recommendation. Its powerful yet safe peroxide formula, incredible versatility across dozens of surfaces, and excellent value make it the undisputed best overall choice.
If you are on a tight budget but still want an effective and environmentally responsible option, the Sun Joe All-Purpose Pressure Washer Concentrated Cleaner is the way to go. It is gentle on your wallet and the planet while still tackling everyday dirt and grime.
For those with large decks, driveways, or a desire for professional-level efficiency, investing in the MEKOH 20” Pressure Washer Surface Cleaner is a game-changer. It will save you hours of work and deliver a flawless, streak-free finish that is simply unattainable with a standard nozzle.
No matter which you choose, you are now equipped with the knowledge to make a smart purchase. Select the product that best fits your deck material and cleaning goals, and get ready to enjoy a beautifully restored outdoor space.
