10 Best Wet And Forget Moss of 2025

Tested and Reviewed: Top 10 Wet And Forget Moss deals with expert ratings from 8.1 to a perfect 10

May 2026 Edition

Editor's Choice

9.7

Save 20%

Wet & Forget

Wet & Forget Moss, Mold, Mildew, & Algae Stain Remover Multi-Surface Outdoor Cleaner Concentrate, Original, 128 Fluid Ounces

20% Off

Editor's bottom line:

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

Main Highlights

Wet & Forget Concentrate Outdoor Cleaner removes green and black stains caused by moss, mold, mildew, and algae, no scrubbing, no rinsing, no pressure washing, just wet it and forget
Surfaces including driveway, patio, roof, siding, deck, vinyl, wood, concrete, canvas, aluminum, and upholstery
Mix 1 part Wet & Forget with 5 parts water in a garden sprayer, spray dry surface on a cool day to avoid rapid evaporation of product, do not rinse, apply when rain is not forecasted within 4-5 hours
Apply when the temperature is above 32° F; unused product can be stored mixed and ready in sprayer for future applications
Cleans with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer

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Picked by 397 people today

9.5

Wet & Forget

Wet & Forget Outdoor Moss, Mold, Mildew, & Algae Stain Remover Multi-Surface Cleaner, Xtreme Reach Hose End with New & Improved Nozzle, 48 Fluid Ounces

Main Highlights

New & Improved Nozzle! Xtreme Reach Hose End Outdoor Cleaner attaches to garden hose; jet tip sprays up to 30ft to remove green and black stains caused by moss, mold, mildew, and algae on roofs and siding; fan tip provides quick application to driveways and decks; no rinsing
Spray dry surface on a cool day to avoid rapid evaporation of product, do not rinse, apply when rain is not forecasted within 4-5 hours, apply when the temperature is above 55° F
Cleans over time with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer
It is bleach free and non-acidic; spray 100 feet away from lakes, ponds, rivers, and streams and flush plants with water before and after application
Each bottle treats up to 2,000 square feet, heavy stained and porous surfaces will absorb more product

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9.5

Wet & Forget

Wet & Forget Outdoor Moss, Mold, Mildew, & Algae Stain Remover Multi-Surface Cleaner, Ready to Use, 64 Ounce

Main Highlights

Wet & Forget Ready To Use Outdoor Cleaner comes with a high-capacity trigger sprayer for quick application to smaller surfaces; removes green and black stains caused by moss, mold, mildew, and algae, no scrubbing, no rinsing, no pressure washing, just wet it and forget it on multiple surfaces including, porch steps, headstones, fountains, planters, concrete, canvas, and upholstery
Use attached sprayer apply generously to dry surface on a cool day to avoid rapid evaporation of product, do not rinse, apply when rain is not forecasted within 4-5 hours, apply when the temperature is above 32° F
Cleans over time with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer
It is bleach free and non-acidic; spray 100 feet away from lakes, ponds, rivers, and streams and flush plants with water before and after application
Each bottle treats 60 to 180 square feet; heavy stained and porous surfaces will absorb more product

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9.2

Wet & Forget

Wet & Forget Outdoor Stain Remover Multi-Surface Cleaner, Xtreme Reach Hose End with New & Improved Nozzle, 48 Fluid Ounces, 1 Pack + Refill

Main Highlights

New & Improved Nozzle! Xtreme Reach Hose End Outdoor Cleaner attaches to garden hose; jet tip sprays up to 30ft to remove green and black stains caused by moss, mold, mildew, and algae on roofs and siding; fan tip provides quick application to driveways and decks; no rinsing
Spray dry surface on a cool day to avoid rapid evaporation of product, do not rinse, apply when rain is not forecasted within 4-5 hours, apply when the temperature is above 55° F
Cleans over time with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer
It is bleach free and non-acidic; spray 100 feet away from lakes, ponds, rivers, and streams and flush plants with water before and after application
Each bottle treats up to 2,000 square feet; heavy stained and porous surfaces will absorb more product

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9.0

Save 6%

Wet & Forget

Wet & Forget Moss, Mold, Mildew, & Algae Stain Remover Multi-Surface Outdoor Cleaner Concentrate, Original, 64 Fluid Ounces

6% Off

Main Highlights

Concentrate outdoor cleaner removes stains caused by moss, mold, mildew, and algae with no scrubbing or rinsing, just wet it and forget it for hard, sealed non-porous surface including driveway, patio, roof, siding, deck, vinyl, wood, sealed concrete, canvas, aluminum, and upholstery
Dilute 1 part Outdoor to 5 parts water, apply with a garden sprayer generously to a dry, debris-free surface in mild climate, do not rinse or apply when rain is expected 4-5 hours after application; unused solution can be stored in sprayer for next use
Cleans over time with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer
It is bleach free and non-acidic; spray 100 feet away from lakes, ponds, rivers, and streams and flush plants with water before and after application
One bottle treats 375 - 1,125 square feet, heavy stained and porous surfaces will absorb more product

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8.8

Save 13%

Wet & Forget

Wet & Forget Outdoor Moss, Mold, Mildew, & Algae Stain Remover Multi-Surface Cleaner, Xtreme Reach Hose End Refill, 48 Fluid Ounces

13% Off

Main Highlights

Wet & Forget Xtreme Reach Hose End Refill Outdoor Cleaner using original nozzle attaches to garden hose; jet tip sprays up to 30ft to remove green and black stains caused by moss, mold, mildew, and algae on roofs and 2nd story siding; fan tip provides quick application to large surfaces driveways, patios and decks; no scrubbing, no rinsing, and no pressure washing, just wet it and forget it
Spray dry surface on a cool day to avoid rapid evaporation of product, do not rinse, apply when rain is not forecasted within 4-5 hours, apply when the temperature is above 55° F
Cleans over time with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer
It is bleach free and non-acidic; spray 100 feet away from lakes, ponds, rivers, and streams and flush plants with water before and after application
Each bottle treats up to 2,000 square feet; heavy stained and porous surfaces will absorb more product

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8.6

Save 9%

Wet & Forget

Wet & Forget Moss, Mold, Mildew, & Algae Stain Remover Multi-Surface Outdoor Cleaner Concentrate, Original, 64 Fluid Ounces (2 Pack)

9% Off

Main Highlights

Concentrate outdoor cleaner removes stains caused by moss, mold, mildew, with no scrubbing or rinsing just wet it and forget it for hard, sealed non-porous surface including driveway, patio, roof, siding, deck, sealed concrete, and more
Dilute 1 part concentrate to 5 parts water and apply with a garden sprayer generously to a dry, debris-free surface in mild temperatures, do not rinse or apply when rain is expected within 4-5 hours of application; unused portion can stored for next use
Cleans over time with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer
It is bleach free but spray 100 feet away from any water source and flush plants with water before and after application; includes 2 x 0.5 gallons concentrate which make 2 x 3.0 gallons
Includes 2 x 0.5 gallons concentrate which make 2 x 3.0 gallons of cleaner, has an unlimited shelf life, and results last for a minimum of 1 year
One bottle treats 375 - 1,125 square feet, heavy stained and porous surfaces will absorb more product

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8.3

BioAdvanced

BioAdvanced 2-in-1 Moss and Algae Killer for Lawns, Moss Killer for Roofs, Patios, Decks, and Deck Cleaner, 32 oz

Main Highlights

KILLS MOSS, ALGAE & MORE: 2-in-1 Moss & Algae Killer and Cleaner kills moss, algae, lichen, mold*, and mildew; No-odor formula won't stain surfaces or harm lawns when used as directed (*Not including species considered public health pests)
PROTECTS FOR MONTHS: Algae and moss killer kills within hours and provides protection for months; Protects against Algae, Lichens, Liverworts, Mildew*, Mold*, Moss, and Green Slime
2-IN-1 KILLER & CLEANER: Ideal for use on roofs, patios, decks, lawns, buildings, driveways, concrete walkways, fences, asphalt, and other listed areas
KILLS WITHIN HOURS: Moss will quickly turn yellow and then brown; Must be physically removed after treatment; Convenient and ready-to-use spray; Simply connect to a garden hose for easy application; Apply every two weeks
GET MORE FROM THE BLUE BOTTLE: From simple spot treatments to season-long protection, BioAdvanced's science-based solutions make it simple to control weeds, feed your lawn, and protect against diseases without harming the lawn, when used as directed

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8.1

Save 8%

Bloranda

Wet and Forget Moss, Mold, and Mildew Control3

8% Off

Main Highlights

Wet And Forget Moss, Mold, And Mildew Control3

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8.1

Wet & Forget

Wet & Forget Window & Screen Cleaner – Outdoor Window Cleaner Spray & Hose Attachment; No Scrubbing, Superior Scrub-Free Shine for Windows & Screens; 48oz (Pack of 2)

Main Highlights

SIMPLE WINDOW & SCREEN CLEANING: The NEW Wet & Forget Outdoor Window and Screen Cleaner, use with your garden hose to dissolving dirt & grime in minutes. No need for ladders or heavy scrubbingjust spray, rinse, and enjoy clearer, brighter views.
POWERFUL & TIME-SAVING: Clean up to 36 windows per bottle and reach up to 30 feet! This window cleaner tool is perfect for second-story windows and hard-to-reach areas, making outdoor cleaning quick, safe, and hassle-free. *Coverage is dependant upon application volume.
NO NEED TO REMOVE SCREENS: Unlike traditional window washing kits, this sudsing glass cleaner cleans both windows and screens at the same time dissolving dirt and grime. The powerful formula features a unique sheeting action that minimizes water spotting, delivering a superior scrub-free shine.
MAXIMUM COVERAGE, MINIMAL EFFORT: For a superior scrub-free shine we reccomend using Wet & Forget Window & Screen Cleaner on cool windows not in direct sunlight. This spray glass cleaner eliminates the need for extra tools or manual scrubbing. *Different water quality may affect final results.
REUSABLE & LESS WASTE: Included Hose End sprayer fits both bottles for a cleaner planet and fewer parts to toss. Designed for controlled use, the hose-end nozzle ensures high-reaching and efficient application.

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Our Best Overall Choice

Best Choice

9.7

Wet & Forget

Wet & Forget Moss, Mold, Mildew, & Algae Stain Remover Multi-Surface Outdoor Cleaner Concentrate, Original, 128 Fluid Ounces

20% Off

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

Wet & Forget Concentrate Outdoor Cleaner removes green and black stains caused by moss, mold, mildew, and algae, no scrubbing, no rinsing, no pressure washing, just wet it and forget
Surfaces including driveway, patio, roof, siding, deck, vinyl, wood, concrete, canvas, aluminum, and upholstery
Mix 1 part Wet & Forget with 5 parts water in a garden sprayer, spray dry surface on a cool day to avoid rapid evaporation of product, do not rinse, apply when rain is not forecasted within 4-5 hours
Apply when the temperature is above 32° F; unused product can be stored mixed and ready in sprayer for future applications
Cleans with the wind and rain, green stains clean up within 1-2 weeks, black stains or heavy, stubborn stains can take several months, long-established stains may take 6-12 months; surfaces can stay clean up to 1 year or longer

Show Price

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