10 Best moss killer on roofs of 2025

Save up to 17% off

Best Choice

1

Lilly Miller
Lilly Miller 100503872 Moss Out Roofs Walks Ready To Spray 27-Oz (Pack of 3)
Main highlights

Non-Staining Formula Benefits
The non-staining formula can be used on multiple surfaces including roofs, cedar shakes, stucco, wood decks, and driveways, ensuring versatility and ease of use.

Ideal Use Scenarios
Perfect for removing moss from roofs, cedar siding, fences, bricks, and stone surfaces. See visible results in hours and covers up to 500 sq. ft.

Customer Praised Effectiveness
Customers frequently praise its effectiveness, noting it kills moss on roofs efficiently as advertised, providing quick and reliable results.
9.6

Exceptional

Our Rating
How do we rank?

Powerful technology We scan thousands of products and stores, analyzing reviews to find what matters most to users like you

Careful review Our team ensures quality, value, and fit based on real user feedback

Trusted insights AI and human analysis guide your decisions, reflecting real user priorities
Real users impact

Thousands of users trust our site daily

Based on millions of stores and reviews

Shoppers influence our rankings
Analyzing top stores
Value for Money

2

Lilly Miller

Lilly Miller Moss Out for Roofs and Walks Concentrate 27oz (Pack of 2)
9.5

Excellent

Our Rating
3

BioAdvanced
BioAdvanced 2-in-1 Moss and Algae Killer for Lawns, Roofs, Patios, Decks, Roof Moss Killer, Deck Cleaner and Mildew Remover, 32 oz
Main highlights

Effective Moss Algae Control
Kills moss, algae, lichen, mold, and mildew quickly and protects for months.

Versatile Use Scenarios
Ideal for lawns, patios, roofs, decks, and driveways.

Quick Visible Results
Moss turns brown within hours, praised by customers.
Key specs
- Active Ingredients:fatty acid formula
- Application Method:Spray
- Type:Moss and algae killer
- Effectiveness:Kills moss, algae, lichen
- Item Form:Spray
9.4

Excellent

Our Rating

8.0
Simple to use

8.0
Fashion

8.0
worth the money
4

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

Powerful Hose Attachment
New & improved nozzle sprays up to 30ft for easy cleaning.

Versatile Outdoor Cleaner
Ideal for removing moss, mold, mildew, and algae from roofs, siding, driveways, and decks.

Quick Mold Removal
Customers praise its effectiveness on tough stains, sometimes working faster than expected.
9.1

Excellent

Our Rating

8.0
Simple to use

8.0
Fashion

8.0
worth the money
5

Scotts
Scotts MossEx 3-in-1 Ready Spray, Kills Moss, Algae and Lichens, Fast Acting, Use on Lawns, Roofs, and Patios, 32 fl. oz.

16% Off
Main highlights

Fast and Effective Moss Control
Scotts MossEx 3-in-1 Ready-Spray kills moss within hours, offering a quick solution for lawns and hard surfaces.

Versatile Application
Ideal for lawns, roofs, patios, decks, sidewalks, and more, making it suitable for various outdoor settings.

User-friendly Hose Attachment
Customers appreciate the ease of use with the garden hose sprayer, simplifying application.
9.0

Excellent

Our Rating

8.7
Easy to use

8.4
Simple to use

8.0
Easy installation
See Today’s Deals & Prices
6

Alpha Chemicals

Zinc Sulfate Monohydrate - 35.5% Zn - 10 Pounds
8.9

Very Good

Our Rating
7

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

Effortless Cleaning
Wet & Forget requires no scrubbing, rinsing, or pressure washing for removing stains.

Versatile Application
Ideal for driveways, patios, roofs, siding, decks, and more.

Customer Favorite: Long-Lasting Results
Surfaces can stay clean for up to a year or longer.
Key specs
- cleaning method:No scrubbing, no rinsing
- specific instructions:Mix 1 part Wet & Forget
- volume:128 Fluid Ounces
- assembly required:No
- number of pieces:1
8.8

Very Good

Our Rating
8

Generic

36oz Copper sulfate pet Safe Moss Killer for Roofs, Sidewalks etc. Makes 36 gallons. Moss Removal Powder
8.7

Very Good

Our Rating
9

Spray & Forget
Spray & Forget 1-Gallon Concentrated Roof Cleaner

17% Off
Main highlights

Key Features
Effectively removes black streaks, algae, mold, and mildew. Fast-acting, bleach-free, and covers 1000-2000 sq ft. Easy mix-and-spray application.

Ideal Use Cases
Perfect for asphalt, wood, slate, clay, and tile shingles. Ideal for quickly cleaning and maintaining roof appearance without harsh chemicals.

Customer Praise
Users love its ease of use and effectiveness, especially noting significant stain removal and roof appearance improvement.
Key specs
- cleaning method:Spray and rinse
- specific instructions:Mix 1:9 ratio
- volume:N/A
- assembly required:N/A
- number of pieces:N/A
8.5

Good

Our Rating

8.0
Fashion

8.0
Simple to use

8.0
worth the money
10

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

Quick Application with Trigger Sprayer
Wet & Forget offers a high-capacity trigger sprayer for easy application, removing stains without scrubbing or rinsing.

Ideal for Outdoor Surfaces
Perfect for cleaning porch steps, headstones, fountains, concrete, and more, especially in damp climates like the Pacific Northwest.

Environmentally Safe and Long-Lasting
Praised for being bleach-free and non-acidic, with results lasting up to a year.
8.2

Good

Our Rating

8.2
Simple to use

8.0
Fashion

8.0
worth the money

10 Best moss killer on roofs of 2025

1

Lilly Miller 100503872 Moss Out Roofs Walks Ready To Spray 27-Oz (Pack of 3)

How do we rank?

How do we rank?

Analyzing top stores

2

Lilly Miller Moss Out for Roofs and Walks Concentrate 27oz (Pack of 2)

3

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

8.0

8.0

8.0

4

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

8.0

8.0

8.0

5

Scotts MossEx 3-in-1 Ready Spray, Kills Moss, Algae and Lichens, Fast Acting, Use on Lawns, Roofs, and Patios, 32 fl. oz.

8.7

8.4

8.0

6

Zinc Sulfate Monohydrate - 35.5% Zn - 10 Pounds

7

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

8

36oz Copper sulfate pet Safe Moss Killer for Roofs, Sidewalks etc. Makes 36 gallons. Moss Removal Powder

9

Spray & Forget 1-Gallon Concentrated Roof Cleaner

8.0

8.0

8.0

10

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

8.2

8.0

8.0

Sign up and get exclusive special deals