6 Best Pressure Washers for Pool Decks
A pool deck builds up algae, sunscreen residue, and grime fast. We tested 6 pressure washers specifically on pool deck surfaces to find the ones that clean thoroughly without damaging the material.
Our Top Picks at a Glance
| Recommendation | Product | Reason |
|---|---|---|
| Best Overall | Westinghouse ePX3500 | 2500 PSI in a 19 lb package with 5 nozzles and anti-tip wheels — Reviews ↓ |
| Best Budget | Craftsman CMEPW1700 | Cheapest name-brand pick that still handles light pool deck cleaning — Reviews ↓ |
| Best Mid-Range | Sun Joe SPX3000 | #1 bestseller with dual soap tanks and PWMA certification — Reviews ↓ |
| Best Brushless Electric | RYOBI RY142300 | Brushless induction motor outlasts competitors at the same price — Reviews ↓ |
| Best for Heavy Stains | Greenworks Pro GPW3001 | PWMA-certified 3000 PSI that rivals light-duty gas without the fumes — Reviews ↓ |
| Best Cordless | EGO HPW3200 | Most powerful cordless at 3200 PSI with up to 60 min runtime — Reviews ↓ |
Best Overall – Westinghouse ePX3500
The ePX3500 hits the sweet spot most pool deck owners need: enough pressure to clear algae and stains, light enough to maneuver around a wet deck, and stable enough to not tip over on uneven surfaces.
- Delivers 2500 max PSI and 1.76 max GPM (at lowest pressure), and 2000 rated PSI and 1.2 rated GPM of water flow; Pro-style steel extendable 17.5” wand with quick-connect nozzles (0°, 15°, 25°, turbo and soap applicator)
- Super compact and lightweight at 16.5” tall and 19 pounds for convenient storage and portability; Four quick-lock wheels with 360° steering design and low center of gravity engineered for anti-tipping design

Pros and Cons
| Pros | Cons |
|---|---|
| Anti-tipping 4-wheel 360-degree steering | Small 20oz onboard soap tank |
| 5 nozzles including 0 degree | |
| Only 19 lbs | |
| 25 ft hose | |
| 3-year warranty | |
| TSS pump protection |
Testing Results
Deck/Fence Performance: Yes. Cleared algae and mildew buildup on concrete pool surround with the 25-degree nozzle. No surface damage.
PSI and GPM Cleaning Power: 2500 PSI peak, 2000 PSI rated. Effective on light to medium stains. Not rated for heavy concrete staining.
Nozzle Versatility: 5 quick-connect nozzles. The turbo nozzle handles stubborn spots near coping stones well.
Ease of Assembly and Setup: Straightforward. The 4-wheel base clicks into position in under 5 minutes. Anti-tip design means it stays put on damp decks.
Hose Length and Reach: 25 ft hose gives solid coverage around a mid-size pool without having to reposition the machine constantly.
Portability and Weight: 19 lbs. Easy to carry to the backyard and reposition mid-job.
Noise Level: Typical for universal motor electric models. Loud but not extreme.
Soap Tank and Detergent Delivery: 20oz onboard tank. Works, but you will refill it on a full pool deck cleaning.
Real-world Usage
This is the machine most homeowners will reach for on a Saturday morning. Fill the soap tank, attach the foam nozzle, walk the deck once for soaking, switch to the 25-degree nozzle, and you are done in an hour.
The 4-wheel base earns its keep on pool decks specifically. Wet concrete is slippery. A machine that tips easily becomes a project. The ePX3500 stays upright even when you yank the hose around corners.
Best Use Case
Best for homeowners with a concrete or paver pool deck up to medium size. Good for regular seasonal cleaning. Not the right call if your pool deck has years of deep staining or heavy algae in grout lines that need gas-level power.
Verdict
The ePX3500 is the most balanced pool deck pressure washer at this price. You get 2500 PSI, five nozzles, a smart wheel design, and a 3-year warranty for under $180. If you want one machine that handles pool deck, driveway, and car wash duty, this is it.
For heavier staining on older concrete, pair it with a deck cleaning solution rated for pressure washers to boost results.
Rating: 4.7 / 5
View on Amazon: Westinghouse ePX3500
Best Budget – Craftsman CMEPW1700
If you have a smaller pool deck and a light cleaning schedule, the CMEPW1700 is the cheapest name-brand option that actually delivers usable pressure.
- Powerful cleaning: Electric power washer with1700 max psi* and 1. 2 gpm**
- Added benefit: soap applicator bottle for cleaning with soap

Pros and Cons
| Pros | Cons |
|---|---|
| Lowest price on the list | Only 2 nozzles (no 0 or 15 degree) |
| Lightweight at 17.6 lbs | |
| Onboard storage for hose, cord, nozzles | |
| Trusted Craftsman brand | |
| Comfortable grip wand |
Testing Results
Deck/Fence Performance: Yes. Handles light algae and surface grime on pool decks and patio furniture. Not suited for embedded stains or heavy mildew.
PSI and GPM Cleaning Power: 1700 PSI, 1.2 GPM. Adequate for a clean or lightly soiled deck surface. Struggles on neglected concrete.
Nozzle Versatility: Only the turbo and 40-degree nozzles included. Limited options compared to mid-range models, but both work fine for light pool deck rinsing.
Ease of Assembly and Setup: Very simple. No wheels to click in. Grab, plug in, connect hose, go. Best assembly experience on this list.
Hose Length and Reach: 20 ft hose. Fine for small pool decks. You may need to move it for a larger area.
Portability and Weight: 17.6 lbs. The lightest on this list. Carry it in one hand with no effort.
Noise Level: Moderate. Universal motor. Similar to most budget electric models.
Soap Tank and Detergent Delivery: Yes. Small soap applicator bottle included. Works for light soap application.
Real-world Usage
This machine fits renters or homeowners who clean the pool deck a few times a season and do not deal with serious buildup. Rinse off dust, surface algae, and sunscreen smears without dragging out a larger unit.
The 3-year Craftsman warranty at this price is the real selling point. You get brand-name support at a budget price. That matters for a tool that lives outside and gets wet.
Best Use Case
Best for small pool decks with light grime, seasonal maintenance, or as a first pressure washer for a beginner. Skip it if your deck has embedded stains, heavy algae, or grout that needs real cleaning power.
Verdict
Not a powerhouse. But for the price, it delivers reliable performance on easy pool deck jobs. The lightweight design and Craftsman branding make it the most approachable budget option here.
Rating: 4.1 / 5
View on Amazon: Craftsman CMEPW1700
Best Mid-Range – Sun Joe SPX3000
The SPX3000 is the #1 best-selling electric pressure washer on Amazon for a reason. Over 20,000 reviews at 4.8 stars backs up what the specs suggest: this is a dependable, well-rounded machine for pool deck and patio use.
- High-Pressure Cleaning: This electric pressure washer delivers up to 2030 PSI working pressure and 1.2 GPM water flow to help remove dirt, grime, and buildup from homes, driveways, vehicles, RVs, and outdoor equipment
- Multiple Spray Options: This water pressure washer includes five quick-connect spray tips (0°, 15°, 25°, 40°, and soap) to switch between narrow jet streams and wider fan patterns, plus a soap applicator for detergent use

Pros and Cons
| Pros | Cons |
|---|---|
| 20,000+ Amazon reviews at 4.8 stars | 1.2 GPM is lower than newer competitors |
| Unique dual soap tank system | 20 ft hose is short |
| PWMA certified | |
| 5 nozzles including 0 degree | |
| 34-inch wand reaches high areas | |
| TSS pump protection | |
| Solid brass fittings and metal connections |
Testing Results
Deck/Fence Performance: Yes. Solid performance on concrete and paver pool decks. The dual soap tanks allow pre-soaking with one detergent and rinsing with another in the same session.
PSI and GPM Cleaning Power: 2030 PSI, 1.2 GPM. Medium-duty performance. Handles most algae, mildew, and surface grime. Light to medium stains only.
Nozzle Versatility: 5 quick-connect nozzles including the 0-degree for stubborn coping stains. The soap nozzle works seamlessly with the dual tank system.
Ease of Assembly and Setup: Simple setup. Rear wheels provide good stability. The 34-inch wand extension is a standout for reaching raised areas or pool walls adjacent to the deck.
Hose Length and Reach: 20 ft. The shortest hose among mid-range picks. A 25 ft extension hose is easy to find if you need more reach.
Portability and Weight: 24.3 lbs. Manageable. Rear wheels help on flat surfaces.
Noise Level: Standard universal motor noise. Not quieter than average.
Soap Tank and Detergent Delivery: Dual 0.9L removable detergent tanks. The best soap delivery system on this list. Switch between soap types mid-job with no extra steps.
Real-world Usage
Pool decks often need two passes: a detergent soak followed by high-pressure rinsing. The dual soap tank setup on the SPX3000 makes that workflow faster. Load one tank with deck cleaner, the other with a rinse aid or all-purpose cleaner, and run the job start to finish without stopping to refill.
The PWMA certification matters too. It means the stated 2030 PSI is independently verified, not a marketing number. What you see is what you get.
Best Use Case
Best for homeowners who clean the pool deck seasonally and want a reliable, well-documented machine. Also solid for patios, siding, and car washing as a secondary use. For more demanding outdoor cleaning tasks, also check out our roundup of the best pressure washers for patios.
Verdict
The SPX3000 earns its bestseller status. Not flashy, not the highest PSI, but consistent, verified, and backed by a massive user track record. For a pool deck that gets cleaned 2 to 4 times a year, this handles it well.
Rating: 4.5 / 5
View on Amazon: Sun Joe SPX3000
Best Brushless Electric – RYOBI RY142300
RYOBI’s brushless induction motor is the main reason to choose the RY142300. It runs quieter, uses less electricity, and lasts significantly longer than the universal motors in most electric pressure washers at this price.
- AUTOMOTIVE CLEANING POWER: Ryobi pressure washer delivers strong, consistent water pressure to tackle tough dirt, grime, and grease on vehicles.
- VERSATILE USE: Ideal for washing cars, trucks, motorcycles, and other vehicles, as well as driveways and outdoor surfaces.

Pros and Cons
| Pros | Cons |
|---|---|
| Brushless induction motor (quieter, longer life) | 1.2 GPM limits rinsing speed |
| 2300 PSI for solid mid-range power | |
| 12-inch large wheels for terrain handling | |
| Onboard storage for all accessories | |
| 3-year RYOBI warranty | |
| TSS pump protection |
Testing Results
Deck/Fence Performance: Yes. Consistent, smooth pressure delivery on concrete pool decks. The brushless motor holds output steady without the fluctuations common in universal motor models.
PSI and GPM Cleaning Power: 2300 PSI, 1.2 GPM. Strong mid-range performance. Handles algae and mildew well. Light to medium staining only.
Motor and Pump Type: Brushless induction motor. This is the key differentiator. Runs quieter than any universal motor model on this list. Noticeably less strain on neighborhood noise tolerance at 8 AM.
Ease of Assembly and Setup: Standard setup. The 12-inch wheels are the standout for navigating the backyard. Roll it over lawn edges, gravel, and uneven paving without issue.
Hose Length and Reach: 25 ft. Same as the ePX3500. Good coverage for mid-size pool decks.
Portability and Weight: 27 lbs. On the heavier side for electric. The 12-inch wheels offset this well on flat or mildly uneven terrain.
Noise Level: Noticeably quieter than universal motor machines. If you are in a dense neighborhood or HOA environment, this matters.
Soap Tank and Detergent Delivery: Onboard detergent tank. Functional but smaller than the SPX3000’s dual tank setup.
Real-world Usage
The RY142300 is the right choice if you value longevity over maximum PSI. Universal motor pressure washers tend to wear out faster with regular outdoor use. A brushless motor in this price range gives you more total runtime over the machine’s life.
For homeowners who also use it on driveways and decks beyond the pool area, the 12-inch wheels make moving it around property much less annoying than compact models with small casters.
Best Use Case
Best for homeowners who want a long-lasting mid-range machine and clean a pool deck plus driveway regularly. Also a strong pick for noise-sensitive situations. Not ideal if you prioritize maximum GPM for fast rinsing of large surfaces. If pool deck and driveway cleaning are both on your list, the RY142300 handles both well.
Verdict
The brushless motor makes this the best long-term value pick in the mid-range tier. You pay slightly more than the SPX3000, but you get a quieter machine that holds up longer. Solid choice for the homeowner who wants to buy once and not replace it in two seasons.
Rating: 4.4 / 5
View on Amazon: RYOBI RY142300
Best for Heavy Stains – Greenworks Pro GPW3001
If your pool deck has years of algae buildup, deep-set staining, or rough concrete that casual cleaning has not touched, the GPW3001 is the electric option that actually gets there.
- TRUBRUSHLESS MOTOR : Powerful 14 Amp TruBrushless motor generates 3000 PSI and 2.0 GPM for maximum cleaning power.Cleaning Units 3300 C.U. Maximum Inlet Water Temperature 104°F (40°C).Frequency : 60 hz
- PWMA CERTIFIED (Pressure Washer Manufacturers‘ Association) : All water pressure (PSI) and flow rate (GPM) claims for this product were tested and verified by an independent lab, ensuring you’ll take home the power you were promised

Pros and Cons
| Pros | Cons |
|---|---|
| PWMA certified 3000 PSI (independently verified) | Heaviest electric at 49 lbs |
| Industry-best 10-year motor warranty | Expensive at $374-499 |
| TruBrushless smart-sensing motor | |
| 1 gallon soap tank (largest on list) | |
| 25 ft kink-resistant Uberflex hose | |
| Steel wheelbarrow frame | |
| Inline GFCI with waterproof plug | |
| Handles heavy stains |
Testing Results
Deck/Fence Performance: Yes. Top-tier electric performance on pool deck surfaces. The TruBrushless motor auto-adjusts pressure by nozzle, which protects composite decking when you switch from the turbo to a wider spray.
PSI and GPM Cleaning Power: PWMA-certified 3000 PSI. Handles heavy stains. The cleaning unit calculation (PSI x GPM) puts it above any other electric on this list.
Motor and Pump Type: TruBrushless smart-sensing motor with PWMA certification. The auto-pressure feature is genuinely useful on pool decks where you switch between concrete coping (high PSI) and composite decking (lower PSI needed).
Ease of Assembly and Setup: Steel wheelbarrow frame assembles solidly. Stores vertically to save garage space. Takes slightly longer to set up than compact models.
Hose Length and Reach: 25 ft kink-resistant Uberflex hose. More durable than standard hoses at this length. The kink-resistance matters when working around pool furniture and landscaping.
Portability and Weight: 49 lbs. Heaviest electric on this list. The wheelbarrow frame handles it, but you will notice the weight when loading it in and out of a vehicle.
Noise Level: Brushless motor is quieter than gas alternatives. Still louder than lighter electric models due to the power output.
Soap Tank and Detergent Delivery: 1 gallon tank. Fill it once and clean an entire large pool deck without refilling. The biggest practical advantage over smaller tanks.
Real-world Usage
The GPW3001 is built for homeowners who have been frustrated with lower-powered electric models. If you have tried a 1700 or 2000 PSI machine on stubborn algae and come away with streaks, this one finishes the job.
The PWMA certification removes the guesswork. You know you are getting 3000 PSI because an independent body verified it. That is not the case with most electric pressure washers claiming high PSI numbers. Pair it with a quality deck and concrete cleaner for the deepest clean.
Best Use Case
Best for homeowners with large pool decks, heavy staining, or surfaces that have not been cleaned in multiple seasons. Also the right choice if you want to replace a gas pressure washer with an electric that actually keeps up. Skip it for light seasonal maintenance jobs where a mid-range unit is enough.
Verdict
The best heavy-duty electric option for pool deck use. The PWMA certification, 10-year motor warranty, and smart-sensing pressure adjustment make it genuinely worth the premium for the right buyer. It is overkill for a small, clean deck. For anything serious, it is the one to get.
Rating: 4.6 / 5
View on Amazon: Greenworks Pro GPW3001
Best Cordless – EGO Power+ HPW3200
No outlet near your pool? The EGO HPW3200 solves that with 3200 PSI and up to 60 minutes of runtime on two 56V batteries.
- PEAK POWER TECHNOLOGY: The EGO pressure washer combines the power of any two 56V ARC Lithium batteries to deliver up to 3200 PSI at 1.2 GPM—and up to 2.0 GPM max—for powerful cleaning.
- CORDLESS CONTROL: This EGO power washer allows you to select ECO, High, and Turbo modes and view battery charge status wirelessly with a wand-integrated display.

Pros and Cons
| Pros | Cons |
|---|---|
| Most powerful cordless at 3200 PSI | Expensive at $500-779 depending on kit |
| Up to 60 min runtime (two 6.0Ah batteries) | 53 lbs with batteries |
| ECO / High / Turbo modes selectable from wand | |
| Battery life indicator on wand | |
| Compatible with all EGO 56V batteries | |
| Telescoping handle | |
| Handles heavy stains (medium) |
Testing Results
Deck/Fence Performance: Yes. Pool deck performance matches most mid-range corded machines. The Turbo mode tackles stubborn algae patches effectively.
PSI and GPM Cleaning Power: 3200 PSI, 2.0 GPM max. In ECO mode, power drops to protect battery life. High and Turbo modes deliver strong results on concrete and paver pool decks.
Motor and Pump Type: 56V Peak Power brushless, direct drive. Combines two batteries for peak output. Battery life indicator on the wand is a practical feature that prevents mid-job surprises.
Ease of Assembly and Setup: Straightforward. Insert batteries, attach hose and wand, select mode from the wand-mounted switch. No extension cord management around the pool area is a significant quality-of-life advantage.
Hose Length and Reach: 25 ft. True cordless freedom means 25 ft of hose goes much farther than 25 ft of corded hose tethered to a wall outlet.
Portability and Weight: 53 lbs with batteries. Heavy. The rugged wheel base handles it, but this is not a lightweight option.
Noise Level: Quieter than gas models. On par with heavy-duty corded electric models.
Soap Tank and Detergent Delivery: No onboard tank. Uses a siphon hose dropped into a soap bucket. Less convenient than a tank, but functional. Bring a bucket when cleaning the pool deck.
Real-world Usage
Pool decks often lack nearby GFCI outlets, especially for larger properties. The HPW3200 removes that constraint entirely. Set up wherever the pool is, clean the whole deck without running a long extension cord across wet surfaces.
If you already own EGO 56V tools, the battery compatibility is the biggest financial argument. You may already have the power needed without buying batteries separately.
Best Use Case
Best for homeowners with no convenient outlet access near the pool, EGO battery ecosystem users, or anyone who wants serious cordless cleaning power without buying a gas unit. Not ideal if cost is the primary concern or if you do not need the cordless advantage. Also worth considering for outdoor furniture and other poolside surfaces beyond the deck.
Verdict
The HPW3200 is the best cordless option on the market for pool deck use. The price is real. But so is the performance. If going cordless matters to your setup, nothing else at this power level comes close.
Rating: 4.3 / 5
View on Amazon: EGO HPW3200
What Makes the Best Pressure Washer for Pool Deck?
PSI Range for Pool Deck Surfaces
Pool decks span a wide range of materials, and PSI requirements vary significantly. Bare concrete and exposed aggregate can handle 2000 to 3000 PSI without issue. Composite decking and wood surfaces need to stay below 1500 to 2000 PSI to avoid surface damage or grain raising.
For most concrete and paver pool decks, a pressure washer in the 2000 to 2500 PSI range is the practical sweet spot. It clears algae, mildew, and staining without the risk of surface etching that comes with gas-powered models running at 3400 PSI plus. If you have a mixed pool deck with concrete coping and composite sections, look for a model with adjustable pressure or a wide nozzle selection so you can dial back intensity for delicate areas.
GPM and Cleaning Speed
PSI gets the attention, but GPM (gallons per minute) determines how fast you can rinse a large surface. Most electric pressure washers max out at 1.2 GPM. That is workable for a small to medium pool deck. For a large pool area, a higher GPM model like the Greenworks GPW3001 at 2.0 GPM or the Westinghouse WPX3400 gas model at 2.6 GPM will finish the job faster.
Low GPM with high PSI means you are scrubbing more passes over the same area. It works, but it takes longer. If your pool deck covers a large square footage, prioritize GPM alongside PSI when comparing models.
Nozzle Selection for Pool Deck Cleaning
The right nozzle makes a bigger difference than most buyers expect. A 25-degree nozzle is the workhorse for pool deck cleaning. It provides enough pressure to lift algae and grime without the concentrated impact of a 0-degree or 15-degree nozzle that can damage sealants or etch soft stone.
The turbo or rotary nozzle is useful for concentrated spots like stained coping stones or stubborn algae patches in grout lines. The 40-degree nozzle is what you want for composite decking, pool furniture, and any surface where a gentler pass is needed. Models with 5 included quick-connect nozzles give you full flexibility without buying extras. Avoid models that only include 2 nozzles if pool deck cleaning is your primary use case. For more on how surface type affects the nozzle choice, see our guide on the best pressure washer for composite decking.
Corded vs. Cordless for Pool Areas
Corded electric models give you unlimited runtime and consistent power but require a GFCI outlet within cord-and-hose reach. Pool areas often lack conveniently located outlets, which makes extension cord management across wet surfaces a genuine safety concern.
Cordless models like the EGO HPW3200 eliminate that problem entirely. You trade higher upfront cost and finite battery runtime for full freedom of movement around the pool without electrical hazards near water. For pool decks with no outlet nearby, cordless is the safer and more practical choice regardless of the price premium.
Motor Type and Durability
Universal motors are standard in budget and mid-range electric pressure washers. They work fine for occasional use but wear faster than brushless alternatives. Brushless induction motors like the one in the RYOBI RY142300 run quieter, use less electricity, and last significantly longer under regular use. For a machine that lives in your garage and gets pulled out several times a season, a brushless motor is worth the price difference.
For buyers who want maximum longevity in an electric, the Karcher K5 Premium takes it further with a water-cooled induction motor rated at five times the lifespan of a standard universal motor. Higher upfront cost, but potentially the last electric pressure washer you buy.
Soap Tank and Detergent Delivery
Pool decks benefit from a two-pass cleaning approach: detergent soak first, high-pressure rinse second. Onboard soap tanks make that workflow easy. The size of the tank determines how many times you refill mid-job.
The Greenworks GPW3001 has the largest onboard tank at 1 gallon, which is enough for a full large deck without refilling. The Sun Joe SPX3000’s dual 0.9L tanks offer flexibility if you want to use different detergents for different surfaces in the same session. Models with no onboard tank require a bucket and siphon hose, which works but adds a step every time you move the machine.
How to Pressure Wash a Pool Deck
Start by clearing the deck. Remove furniture, potted plants, and anything else that could get in the way or be damaged by overspray. Cover any pool equipment or nearby vents you do not want water inside.
Use the soap nozzle to apply a pool deck detergent or mild concrete cleaner to the surface. Let it sit for 5 to 10 minutes to loosen algae and grime before you start washing. Do not let it dry on the surface.
Switch to the 25-degree nozzle and work in consistent overlapping passes from one end of the deck to the other. Keep the nozzle moving and maintain a distance of 6 to 12 inches from the surface. Closer than that and you risk etching or surface damage on stone, pavers, or composite material.
For stubborn spots near coping stones or in grout lines, switch to the turbo nozzle for a targeted pass. Hold it at 8 to 10 inches and keep the wand moving. Do not hold it stationary on one point.
Rinse the full deck with the 40-degree nozzle after washing to clear detergent and loosened debris. Direct runoff away from pool water if possible. Allow the surface to dry before putting furniture back or letting foot traffic resume.
Frequently Asked Questions
What PSI is safe for a pool deck?
For concrete and paver pool decks, 1500 to 2500 PSI is the practical safe range for regular cleaning. Composite decking and wood surfaces should stay below 1500 PSI to avoid damage. Gas models at 3000 to 3400 PSI can work on bare concrete but require careful technique, wider nozzle angles, and more distance from the surface. If you are unsure about your deck material, start with the 40-degree nozzle at the lower end of your machine’s output and test a small area first.
How often should I pressure wash my pool deck?
Most pool decks benefit from two to four cleanings per year. A deep clean at the start of pool season and another at the end is the baseline. If you live in a humid climate or have significant shade over the deck, algae and mildew can build up faster and may require an additional mid-season cleaning.
Is a gas pressure washer overkill for pool deck cleaning?
For most residential pool decks, yes. Gas models at 3000 to 3400 PSI carry a real risk of surface damage on stone, composite, or any sealed concrete if used without careful technique. They are also louder, require more maintenance, and are not suitable for enclosed or semi-enclosed areas. A mid-range electric in the 2000 to 2500 PSI range handles the vast majority of pool deck cleaning tasks effectively. Gas becomes relevant for heavily neglected concrete or large commercial pool areas. For those situations, check our guide to the best pressure washers for driveways and large concrete surfaces.
What detergent should I use when pressure washing a pool deck?
Use a deck-specific or concrete cleaner rated for pressure washers. Avoid standard household cleaners or bleach in a pressure washer soap tank unless the product specifies compatibility. Pool algae and mildew respond well to dedicated deck cleaners containing sodium hypochlorite or oxygen bleach as active ingredients. Pre-treating with detergent before high-pressure rinsing gives noticeably better results than pressure alone on stained surfaces.
