10 Best Soft Wash Chemicals of 2025

Tested and Reviewed: Top 10 Soft Wash Chemicals deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Generic

Southeast Softwash Southern Twang - Professional Exterior House Cleaner, Siding Cleaner & Roof Wash Surfactant for Pressure Washing & Soft Wash Applications | Crisp Apple Scent, 1 Gallon (1 Pack)

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Editor's bottom line:

“This soft wash chemicals is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Apple Scented Soft Wash Power That Hits Hard. Southern Twang is a professional grade soft wash surfactant that gives you a gentle yet extremely effective clean. Rinses clean from windows, vinyl siding, gutters, and roofs so you get pro level results without harsh scrubbing.
Complete Exterior House Wash Solution. Use Southern Twang as your go to exterior house cleaner and power washer soap. Pair it with a pressure washer or soft wash system to clean siding, trim, gutters, and more.
Roof Wash That Works - Our new and improved surfactant formula is perfect for roof washing. Works great on metal roofing, slate, tile, and asphalt shingles for a brighter, longer lasting clean.
Concentrated, Professional Grade Formula. The O.G. Southern Twangl, probably the most popular soft wash surfactant on earth, and Cotys personal favorite. Each 1 gallon jug is a true concentrate that mixes at roughly 15 gallons of water to 1 gallon of product.
Designed to Supercharge Bleach. Batch mix our siding cleaner with chlorine, liquid bleach, sodium hypochlorite, or sodium percarbonate and run it through a downstream injector, blend manifold, or softwash gun. Southern Twang helps your mix stay on the surface longer so the chemistry can do the heavy lifting.

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Picked by 397 people today

9.5

Generic

Southeast Softwash Southern Swag - Professional Exterior House Cleaner, Siding Cleaner & Roof Wash Surfactant for Pressure Washing & Soft Wash Applications | Fresh Rain Scent, 1 Gallon (1 Pack)

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Main Highlights

Fresh Rain Scented Soft Wash Power That Hits Hard. Southern Swag is a professional grade soft wash surfactant that gives you a gentle yet extremely effective clean. Rinses clean from windows, vinyl siding, gutters, and roofs so you get pro level results without harsh scrubbing.
Complete Exterior House Wash Solution. Use Southern Swag as your go to exterior house cleaner and power washer soap. Pair it with a pressure washer or soft wash system to clean siding, trim, gutters, and more.
Roof Wash That Works - Our new and improved surfactant formula is perfect for roof washing. Works great on metal roofing, slate, tile, and asphalt shingles for a brighter, longer lasting clean.
Concentrated, Professional Grade Formula. The O.G. Southern Swag, probably the most popular soft wash surfactant on earth, and Cotys personal favorite. Each 1 gallon jug is a true concentrate that mixes at roughly 15 gallons of water to 1 gallon of product.
Designed to Supercharge Bleach. Batch mix our siding cleaner with chlorine, liquid bleach, sodium hypochlorite, or sodium percarbonate and run it through a downstream injector, blend manifold, or softwash gun. Southern Swag helps your mix stay on the surface longer so the chemistry can do the heavy lifting.

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9.5

Generic

Gutter Guard by Southeast Softwash | Heavy Duty Gutter Cleaner for Black Streak Removal

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Main Highlights

Strong Black Streak Remover for Gutters - Remove black streaks from gutters with Gutter Guard. Lift the oxidation and gutter stains that regular pressure washing cannot remove. Safe on aluminum, vinyl and most exterior gutter surfaces.
Fast Action for Cleaner Gutters - Easily spray it on, let it dwell, and watch stains loosen fast. Use as a touchless water gutter cleaner or lightly brush for deep gutter cleaning on older or stubborn streaks.
Super Concentrated Gutter Cleaner for Pressure Washer - Mix two parts water to one part product or dilute up to three parts water for lighter cleaning. A powerful and cost saving gutter cleaning solution for any job size.
Made for Pressure Washers and Soft Wash - Works with a pressure washer chemical injector or as a ready to use spray. Great gutter cleaner solution for oxidation removal and restoring curb appeal on residential homes.
Reliable for Homes and Contractors - Perfect gutter cleaning chemical for homeowners, exterior cleaners and anyone dealing with black streaks. Available in 1 Gallon and 4 Gallon Case sizes. Not for use on polished or anodized aluminum.

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9.2

PressureTek

PressureTek Elemonator: House Wash Surfactant for Siding, Roof and Concrete Cleaning, Bleach Additive, Soft Wash Soap, 1/2 Gallon, 64 Fl Oz (QTY 1)

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Main Highlights

Sizing Options: This container is 64oz (1/2 gallon). Elemonator also comes in 1 gallon containers.
Bleach Stability: Elemonator is the perfect partner for your bleach. Its unique formulation ensures compatibility with bleach, allowing you to achieve exceptional cleaning results without compromising the strength of your bleach solution.
Foaming and Rinsing Excellence: Elemonator's remarkable foaming and rinsing properties enhance your cleaning experience. Its rich foam effectively lifts and removes dirt and grime, while its easy rinsing process leaves surfaces spotless and streak-free.
Refreshing Lemon Scent: Elemonator's invigorating lemon scent transforms your cleaning routine. Not only does its powerful fragrance revitalize your surroundings, but it also effectively masks the harsh odor of bleach, leaving your home smelling clean and fresh.
Economical Usage: Elemonator offers exceptional value for money. Just one ounce per gallon of water is required when used in downstreaming, making it a cost-effective solution for all your cleaning needs.
pH Boost: Elemonator distinguishes itself by its ability to boost the pH of bleach. This feature optimizes your cleaning solution's effectiveness, ensuring that tough stains and grime are effortlessly removed, leaving your surfaces pristine.

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9.0

Simple Green

Simple Green Oxy Solve Total Outdoor Pressure Washer Cleaner – 1 Gal

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Main Highlights

Cleans a wide variety of surfaces such as wood, composite, vinyl, metal, fabric, plastic, wicker, concrete, stone, brick and asphalt
Lifts dirt, grime and stains from mold, mildew, Moss and algae
Uses the power of peroxide to lift grime without harsh chemicals
Pressure washer concentrate cleans up to 6, 400 sq. Ft.

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8.8

Generic

Elemonator with Chlora-Boost (1G) - Liquid House Wash Surfactant for Siding, Roof & Concrete Cleaning. Works great as Soft Wash Soap. Sodium Hypochlorite Bleach Additive

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Main Highlights

Bleach Stability: Elemonator is designed to be your bleach's best friend. Its unique formulation ensures stability when combined with bleach, allowing you to achieve superior cleaning results without compromising the strength of your bleach solution.
Foaming and Rinsing Excellence: Elemonator boasts remarkable foaming and rinsing properties. The rich, luxurious foam clings to surfaces, breaking down dirt and grime, while the easy rinsing process leaves your surfaces spotless and streak-free.
Refreshing Lemon Scent: Experience the delight of a fresh, invigorating lemon scent as you clean. Elemonator's powerful fragrance not only revitalizes your surroundings but also effectively masks the sometimes harsh odor of bleach, leaving your home smelling clean and refreshing.
Economical Usage: A little goes a long way with Elemonator. Just one ounce per gallon of water is all you need when used in downstreaming, making it a cost-effective solution for all your cleaning needs.
pH Boost: What sets Elemonator apart is its ability to boost the pH of bleach, ensuring that your cleaning solution is optimized for tackling tough stains and grime. Say goodbye to stubborn marks and hello to pristine surfaces.

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8.6

Zep

ZEP INC 128OZ House/Siding Wash

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Main Highlights

Covers up to 5,000 SQ FT
Concentrate makes up to 20 gallons

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8.3

Southeast Softwash

Southeast Softwash Southern Swag - Professional Exterior House Cleaner, Siding Cleaner & Roof Wash Surfactant for Pressure Washing & Soft Wash Applications | Fresh Rain Scent, 1 Gallon (4 Pack)

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Main Highlights

Fresh Rain Scented Soft Wash Power That Hits Hard. Southern Swag is a professional grade soft wash surfactant that gives you a gentle yet extremely effective clean. Rinses clean from windows, vinyl siding, gutters, and roofs so you get pro level results without harsh scrubbing.
Complete Exterior House Wash Solution. Use Southern Swag as your go to exterior house cleaner and power washer soap. Pair it with a pressure washer or soft wash system to clean siding, trim, gutters, and more.
Roof Wash That Works - Our new and improved surfactant formula is perfect for roof washing. Works great on metal roofing, slate, tile, and asphalt shingles for a brighter, longer lasting clean
Concentrated, Professional Grade Formula. The O.G. Southern Swag, probably the most popular soft wash surfactant on earth, and Cotys personal favorite. Each 1 gallon jug is a true concentrate that mixes at roughly 15 gallons of water to 1 gallon of product
Designed to Supercharge Bleach. Batch mix our siding cleaner with chlorine, liquid bleach, sodium hypochlorite, or sodium percarbonate and run it through a downstream injector, blend manifold, or softwash gun. Southern Swag helps your mix stay on the surface longer so the chemistry can do the heavy lifting.

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8.1

PressureTek

PressureTek Elemonator: House Wash Surfactant for Siding, Roof and Concrete Cleaning, Bleach Additive, Soft Wash Soap, 1 Gallon (2)

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Main Highlights

Bleach Stability: Elemonator is the perfect partner for your bleach. Its unique formulation ensures compatibility with bleach, allowing you to achieve exceptional cleaning results without compromising the strength of your bleach solution.
Foaming and Rinsing Excellence: Elemonator's remarkable foaming and rinsing properties enhance your cleaning experience. Its rich foam effectively lifts and removes dirt and grime, while its easy rinsing process leaves surfaces spotless and streak-free.
Refreshing Lemon Scent: Elemonator's invigorating lemon scent transforms your cleaning routine. Not only does its powerful fragrance revitalize your surroundings, but it also effectively masks the harsh odor of bleach, leaving your home smelling clean and fresh.
Economical Usage: Elemonator offers exceptional value for money. Just one ounce per gallon of water is required when used in downstreaming, making it a cost-effective solution for all your cleaning needs.
pH Boost: Elemonator distinguishes itself by its ability to boost the pH of bleach. This feature optimizes your cleaning solution's effectiveness, ensuring that tough stains and grime are effortlessly removed, leaving your surfaces pristine.

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8.1

Soft Wash depot

Apple Scented Surfactant for Soft Wash & Pressure Washing – Bleach Compatible Soap Additive with Red Track Marker for Full Coverage – Downstream & Proportioner Ready (Pail (5 Gallons))

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Main Highlights

SMELL THE DIFFERENCE APPLE FRESH CLEAN Stop choking on harsh chemical odors. This apple scented surfactant turns every wash job into a clean, fresh experience with a crisp, professional scent.
BUILT FOR SOFT WASH & PRESSURE WASHING PROS Designed for house wash, roof wash, siding, concrete pre-treat, and exterior cleaning. Delivers better cling, better dwell time, and better results.
RED TRACK MARKER = ZERO MISSED SPOTS Our formula includes a red tracking dye so you can SEE your coverage while applying. Spray it, track it, and know the job is getting done right.
BLEACH COMPATIBLE + EASY TO MIX Works perfectly in sodium hypochlorite (bleach) mixes. Great for downstreaming, batch mixing, and proportioner systems.
DIAL IN THE FOAM YOU WANT Increase concentration for more foam and cling, but dont overuse. Too much surfactant can thicken your mix and slow down application.

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Our Best Overall Choice

Best Choice

9.7

Generic

Southeast Softwash Southern Twang - Professional Exterior House Cleaner, Siding Cleaner & Roof Wash Surfactant for Pressure Washing & Soft Wash Applications | Crisp Apple Scent, 1 Gallon (1 Pack)

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Apple Scented Soft Wash Power That Hits Hard. Southern Twang is a professional grade soft wash surfactant that gives you a gentle yet extremely effective clean. Rinses clean from windows, vinyl siding, gutters, and roofs so you get pro level results without harsh scrubbing.
Complete Exterior House Wash Solution. Use Southern Twang as your go to exterior house cleaner and power washer soap. Pair it with a pressure washer or soft wash system to clean siding, trim, gutters, and more.
Roof Wash That Works - Our new and improved surfactant formula is perfect for roof washing. Works great on metal roofing, slate, tile, and asphalt shingles for a brighter, longer lasting clean.
Concentrated, Professional Grade Formula. The O.G. Southern Twangl, probably the most popular soft wash surfactant on earth, and Cotys personal favorite. Each 1 gallon jug is a true concentrate that mixes at roughly 15 gallons of water to 1 gallon of product.
Designed to Supercharge Bleach. Batch mix our siding cleaner with chlorine, liquid bleach, sodium hypochlorite, or sodium percarbonate and run it through a downstream injector, blend manifold, or softwash gun. Southern Twang helps your mix stay on the surface longer so the chemistry can do the heavy lifting.

Show Price

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