Best Moss Killer For Pavers: 10 Options for Patios and Walkways

#1 · Best Overall

1. Lilly Miller Moss Out Roofs

• Weight: 1.8 lb
• Form: Liquid

Best for: Hose-end patio and roof use.

Why it ranks #1: Its stated uses include patios, sidewalks, brick, and unpainted cement; the hose-end sprayer covers up to 500 square feet and reaches 25 feet.

An included hose nozzle sprays Lilly Miller Moss Out up to 25 feet, giving buyers a way to reach broad surfaces without carrying a separate applicator. Although specially made for roofs, its listed uses also include patios, sidewalks, brick, and unpainted cement, making it relevant to pavers.

The hose-connected nozzle and ready-to-spray format let you distribute treatment across outdoor surfaces, while the listed 25-foot spray reach can help when working toward less accessible areas. Coverage is up to 500 square feet, a useful boundary for planning a patio application. Its non-staining formula is specified for shingles, and the product is also listed for brick and unpainted cement. It is primarily roof-oriented, so paver buyers should weigh that emphasis against their surface needs.

Skip it if you prefer dry granules for walkways; Lilly Miller Moss Out! Dry Formula is listed for patios and covers up to 4,000 square feet.

Consider this for a paver owner who values hose-end application and also has roof moss to treat. The 500-square-foot coverage and roof-focused positioning are important boundaries when sizing it for a patio.

Listed on Amazon as: CENTRAL GARDEN BRANDS Moss Out Roofs, 27-Ounce

#2 · Fast-Acting Surface Spray

2. Scotts MossEx Ready Spray

• Weight: 8 oz
• Form: Spray

Best for: Fast-acting hose-end surface spray.

Why it ranks #2: Listed for patios, sidewalks, and concrete, its non-staining liquid formula is described as killing moss within hours and attaches to a garden hose.

Scotts MossEx connects to a garden hose and kills moss within hours, enabling direct treatment of patios, concrete, and sidewalks without a separate mixing step. Its non-staining formula is specifically described for concrete and other surfaces, a useful consideration when treating visible pavers.

The ready-spray hose connection keeps application simple across a patio or sidewalk, while the fast-acting liquid is listed to kill moss within hours. Scotts also says the formula controls algae, lichens, and liverworts, broadening its role where more than moss is present. Its non-staining claim applies to concrete and other surfaces, which matters for hardscape appearance. The product is also listed for lawns, ornamental gardens, and roofs, so it can serve multiple outdoor areas.

Skip it if you need a stated coverage area before planning a large job; BioAdvanced 2-in-1 lists coverage of 500 square feet.

Choose this for paver owners seeking hose-connected treatment and fast action on moss, algae, or lichens. Its non-staining claim suits visible hardscape, but the supplied details do not state an area of coverage.

Listed on Amazon as: Scotts MossEx 3-in-1 Ready Spray, 32 fl. oz.

#3 · Highest Stated Coverage

3. Lilly Miller Dry Moss Out

• Weight: 6 lb
• Form: Granule

Best for: Granule treatment for larger areas.

Why it ranks #3: This dry microgranule product is listed for patios, sidewalks, brick, and unpainted cement, with stated coverage up to 4,000 square feet.

Lilly Miller’s dry micro-granule formula covers up to 4,000 square feet, making it a practical format to consider for extensive paver paths or patios. It is listed for patios, sidewalks, brick, and unpainted cement, and can be used either wet or dry.

The micro-granule form gives buyers an alternative to hose-end sprays, while the option to apply it wet or dry allows the treatment method to follow the directions and surface workflow. Its 4,000-square-foot coverage can serve a large hardscape area with fewer coverage calculations. The non-staining formula is also described as non-corrosive to galvanized gutters, a relevant point when pavers sit near roof runoff. Its listed uses include brick and unpainted cement.

Skip it if you want to spray directly from a hose; Lilly Miller Moss Out Roofs comes with a hose nozzle and sprays up to 25 feet.

This suits buyers treating broad paver areas who are comfortable applying granules and want wet-or-dry use. Check that the surface is among its listed uses, and follow the directions around nearby planted areas.

Listed on Amazon as: Lilly Miller Moss Out! For Roofs And Structures Dry Formula 6 Pounds

#4 · Broad-Surface Spray

4. BioAdvanced Moss and Algae Killer

• Weight: 2 lb
• Form: Spray

Best for: Ready-to-spray patio treatment.

Why it ranks #4: The ready-to-spray formula is listed for patios and hardscapes, covers 500 square feet, and kills moss, algae, and lichen within hours.

A hose attachment turns BioAdvanced’s ready-to-spray moss and algae killer into a straightforward option for treating pavers without first mixing concentrate. Its 2-in-1 formula also cleans while killing moss, algae, lichen, mold, and mildew, and the product is listed for patios, driveways, and other hardscapes.

The spray format and included hose attachment make application a direct fit for paver patios and driveways; the listed coverage is 500 square feet. BioAdvanced says it kills within hours and protects for months, so it may suit a surface where longer-lasting treatment matters. Dead moss still needs to be physically removed, however, so account for a cleanup step after treatment. It is also listed for lawns and ornamental grasses when used as directed.

Skip it if you want a no-scrub, no-rinse cleaner; Wet & Forget Outdoor Cleaner is mixed with water and applied without rinsing.

Choose this for paver owners who want hose-end application, broad growth control, and protection that lasts for months. It covers 500 square feet, but plan to remove dead moss physically after the treatment takes effect.

Listed on Amazon as: BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner, Ready-to-Spray, 32 oz, 500 SQ FT

#5 · OMRI-Listed Formula

5. Safer Moss and Algae Killer

• Weight: 2.3 lb
• Form: Spray

Best for: Hose-ready potassium-salt treatment.

Why it ranks #5: Its ready-to-use hose sprayer is listed for walkways, decks, and roofs, and the product is identified as OMRI listed for organic use.

Safer Brand’s ready-to-use formula attaches directly to a hose, letting paver owners apply moss and algae control without first mixing a concentrate. The product uses potassium salts and is listed for walkways, decks, roofs, siding, and lawns, with OMRI-listed status for organic use.

The hose attachment supports direct application across walkways, while the ready-to-use format avoids a separate dilution step. Safer identifies potassium salts of fatty acids as the active approach for moss and algae, and lists use on decks, roofs, siding, and lawns as well as walkways. OMRI-listed status for organic use may matter to buyers evaluating product credentials. The supplied details do not give a coverage figure, so area planning cannot rely on a listed square-foot amount.

Skip it if you need a listed square-foot coverage figure; Lilly Miller Moss Out! Dry Formula states coverage up to 4,000 square feet.

Consider this for paver owners who want a hose-ready moss and algae treatment with OMRI-listed status. Its walkway use is relevant, but the missing coverage figure makes it harder to plan a large area.

Listed on Amazon as: Safer Brand 5324-6 Moss and Algae Killer and Surface Cleaner, 32 oz. Hose Sprayer

#6

6. Bonide MossMax Ready-to-Spray

• Weight: 2.3 lb
• Form: Spray

Best for: Lawn-and-patio hose-end spray.

Why it ranks #6: This non-staining ready-to-spray product is listed for patios, sidewalks, and fences, and is described as killing actively growing moss and algae within hours.

Bonide MossMax arrives ready to spray from a hose-end bottle, enabling application to patios and sidewalks without preparing a separate mixture. Its listed structural uses include roofs, decks, patios, sidewalks, and fences, while the formula is described as non-staining on concrete.

The bottle automatically mixes concentrate with water as you spray, simplifying the transition from lawn treatment to a paver patio or sidewalk. Bonide says it kills actively growing moss and algae within hours, and its structural-surface list includes patios and sidewalks. The product also targets lawn moss, so it can cover both turf and hardscape needs in one format. Its lawn-focused claims should not be confused with a stated square-foot coverage figure, which is not provided here.

Skip it if you need a stated coverage amount for pavers; BioAdvanced 2-in-1 lists 500 square feet of coverage.

This fits households treating lawn moss as well as paver patios or sidewalks, with hose-end mixing keeping application direct. Consider the lawn emphasis and lack of a listed coverage figure when sizing a hardscape job.

Listed on Amazon as: Bonide MossMax, 32 oz Ready-to-Spray Control for Algae, Moss and Lichens, Outdoor Home and Garden Use, Nonstaining Formula

#7

7. Central Garden Brands Moss Killer

• Weight: 3.2 lb
• Form: Spray

Best for: Dry-or-mixed patio moss control.

Why it ranks #7: The product is described for patios and walkways and can be applied dry or mixed with water; its listed formula is 99% zinc sulfate monohydrate.

CENTRAL GARDEN BRANDS Moss Killer can be applied dry or mixed with water, giving paver owners two listed application approaches for patios and walkways. Its description says it improves those surfaces and also lists use on concrete, while noting roof and gutter considerations.

The dry-or-water-mixed application options let buyers choose a workflow suited to the surface and directions, and the product is specifically described as improving patios and walkways. Its zinc sulfate monohydrate formulation is listed at 99%, and the product is also described for structures made of composition material, wood, and concrete. The non-staining and non-corrosive claims for aluminum and galvanized gutters apply when used as directed; protect gutters during application as the safety information instructs.

Skip it if you want a ready-to-spray product with no dry-or-mix choice; Bonide MossMax arrives in a hose-end bottle that mixes as you spray.

This suits paver owners who want a moss killer listed for patios and walkways and are comfortable choosing dry or mixed application. Protect nearby gutters as directed, particularly when treating close to roof drainage.

Listed on Amazon as: CENTRAL GARDEN BRANDS Moss Killer, 3-Pound

#8

8. Wet & Forget Outdoor Cleaner

• Form: Liquid

Best for: No-rinse concentrate for patios.

Why it ranks #8: This bleach-free concentrate lists patios, driveways, and concrete, but requires mixing one part product with five parts water and does not rinse clean immediately.

Wet & Forget’s concentrate is applied without scrubbing, rinsing, or pressure washing, enabling a low-intervention approach to moss and stain cleanup on pavers. The directions call for mixing one part product with five parts water in a garden sprayer and applying it to a dry surface.

The 1:5 dilution instructions make a garden sprayer part of the application workflow, while the no-rinse direction avoids a planned wash-down after spraying. Its listed surfaces include patios, driveways, and concrete, giving paver owners relevant hardscape applications. The formula is fragrance-free and bleach-free according to the specifications. Application directions call for a cool day to reduce rapid evaporation, so timing and surface conditions matter when planning treatment.

Skip it if you want a ready-to-use hose-end spray; Safer Brand 5324-6 attaches directly to a hose without a listed dilution step.

This fits paver owners who prefer a diluted spray and no-rinse workflow for outdoor stains. Follow the cool-day and dry-surface directions, and be comfortable measuring and mixing before filling a garden sprayer.

Listed on Amazon as: Wet & Forget Outdoor Cleaner – Mold, Mildew, Moss & Algae, 128oz

#9

9. Wet & Forget Stain Remover

• Weight: 8.4 lb
• Form: Liquid

Best for: Concentrate for multi-surface cleaning.

Why it ranks #9: The concentrate is listed for patios and concrete and requires a one-to-five dilution; its description focuses on removing moss-related stains rather than quick kill claims.

Wet & Forget concentrate treats moss-related green and black stains without scrubbing, rinsing, or pressure washing, enabling a low-maintenance approach to paver cleanup. Its listed surfaces include patios, driveways, and concrete, and the directions specify dilution in a garden sprayer.

Mixing one part concentrate with five parts water prepares the product for a garden sprayer, while the no-rinse direction removes a wash-down step from the application workflow. Patio, driveway, and concrete are among its listed surfaces, making it relevant to pavers. The product also addresses stains associated with moss, mold, mildew, and algae across multiple outdoor materials. Apply to a dry surface on a cool day, avoid forecast rain within four to five hours, and flush plants before and after application.

Skip it if you want to avoid measuring and mixing concentrate; Scotts MossEx Ready Spray connects to a garden hose for application.

Choose this for paver owners who want multi-surface stain treatment without scrubbing or rinsing and can follow dilution and weather directions. Keep the stated rain window and nearby-plant precautions in mind.

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

#10

10. Sunday Dandelion Doom

• Form: Liquid

Best for: Spot treatment for mossy edges.

Why it ranks #10: This iron-based spot treatment targets moss and algae, but its listed emphasis is broadleaf weeds and lawn use rather than paver surfaces.

SUNDAY Dandelion Doom uses chelated iron to target moss and other listed growth, with visible results described within hours. Its spot-treatment approach is a fit for focused paver patches rather than an unspecified broad-area application, and the listing identifies a two-bottle pack.

The product is described for spot treatment of moss, algae, lichen, and broadleaf weeds, giving paver owners a targeted option for isolated growth. Chelated iron (FeHEDTA) is the named active approach, and visible results are described within hours. The listing says to repeat as needed for long-lasting control throughout the season, so follow-up may be part of the workflow. It is also positioned to keep grass unharmed when targeting weeds, making care around lawn borders relevant.

Skip it if you need treatment for a whole patio; Lilly Miller Moss Out! Dry Formula is listed for patios and covers up to 4,000 square feet.

Choose this for isolated moss patches on pavers, especially where spot treatment near lawn edges suits the job. It is not presented as a broad-area surface treatment, and its directions call for repeat application as needed.

Listed on Amazon as: Sunday Dandelion Doom, Iron-Based Weed & Moss Killer, 32oz 2-Pack