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10 Best Bioadvanced Moss And Algae Killer Reviews of 2025

Tested and Reviewed: Top 10 Bioadvanced Moss And Algae Killer Reviews deals with expert ratings from 8.1 to a perfect 10

May 2026 Edition

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1

Editor's Choice

9.7

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

BioAdvanced

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

Editor's bottom line:

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

Main Highlights

LAWN MOSS KILLER: Moss turns yellow and then brown, but must be physically removed once dead
2-in-1 KILLER and CLEANER: Use on lawns, patios, roofs, buildings, decks, driveways, mulch, and more
MOSS and ALGAE KILLER and CLEANER: Moss killer for algae, lichen, mold*, and mildew* for protection that lasts for months (*not including species considered public health concerns)
NON-STAINING FORMULA: Non-staining formula will not stain and will wont harm lawns when used as directed
NON-BLEACH FORMULA: BioAdvanced non-bleach formula will not stain or harm lawns

Picked by 397 people today

2

9.5

Save 7%

BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner, Ready-to-Spray, 32 oz with BioAdvanced Fungus Control for Lawns, Ready-to-Spray, 32 oz

BioAdvanced

BioAdvanced 2-in-1 Moss and Algae Killer and Cleaner, Ready-to-Spray, 32 oz with BioAdvanced Fungus Control for Lawns, Ready-to-Spray, 32 oz

Main Highlights

MOSS and ALGAE KILLER and CLEANER: Kills moss, algae, lichen, mold, and mildew wherever it grows and protects for months
2-in-1 KILLER and CLEANER: Use on lawns, patios, roofs, buildings, decks, driveways, mulch, and more. KILLS WITHIN HOURS: Moss will quickly turn yellow and then brown, but must be physically removed once dead
NON-BLEACH FORMULA: BioAdvanced non-bleach formula will not stain or harm lawns
FUNGUS CONTROL: Fungus control for lawns cures and prevents listed lawn diseases
DISEASE CONTROL: Fungicide controls red thread, brown patch, dollar spot, rust, and other listed diseases
RAINPROOF PROTECTION: Systemic fungicide is absorbed by grass and will not wash off

3

9.5

Save 9%

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

Scotts

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

Main Highlights

Scotts MossEx 3-in-1 Ready-Spray is a fast and effective way to control moss, algae, lichens, and liverworts
This fast-acting liquid formula kills within hours and does not stain concrete or other surfaces
Use this moss control product any time during the year by connecting the sprayer to a garden hose and spraying
For use on lawns, ornamental gardens, around homes and on roofs, patios, decks, sidewalks, and more (as listed)
One 32 fl.oz. container of Scotts MossEx 3-in-1 Ready Spray treats up to 500 sq. ft.

4

9.2

Save 16%

Safer

Safer Brand 5324-6 Moss and Algae Killer and Surface Cleaner, 32 oz. Hose Sprayer

Main Highlights

This moss and algae killer utilizes the effectiveness of potassium salts to rid your deck, roof, siding, walkways, lawn and more of algae and moss
Ready-to-use formula attaches directly to your hose for an economical and convenient solution
Kills algae and mosses
OMRI listed for organic use

5

9.0

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

Bonide

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

Main Highlights

KILLS MOSS - MossMax quickly kills lawn moss, giving your lawn grass the opportunity to fill in & reclaim the lawn. Enjoy a beautiful moss free lawn!
FAST ACTING-Kills actively growing moss and algae within hours.
PROMOTES A GREEN LAWN - MossMax Lawn Granules not only kills lawn moss quickly, it also turns lawns a deep green.
USE ON STRUCTURAL SURFACES-Can also be used on surfaces such as roofs, decks, patios, sidewalks and fences. Does not stain concrete or other surfaces.
EASY TO APPLY - Product instantly mixes with water and should be applied as a spray using a mist blower, hose-end sprayer or pressurized hand sprayer. Product can be applied up to the day of harvest.

6

8.8

Scotts MossEx, Moss Killer for Lawns, Easy-To-Use Shaker Jug, Contains Fertilizer to Green Grass, 4.59 lbs.

Scotts

Scotts MossEx, Moss Killer for Lawns, Easy-To-Use Shaker Jug, Contains Fertilizer to Green Grass, 4.59 lbs.

Main Highlights

Scotts MossEx in an easy-to-use shaker jug kills moss without harming your lawn
These ready-to-use moss killer granules contain nutrients to help develop green grass
Apply this lawn care treatment in the winter or spring when moss is actively growing
Product is best applied when lawn is moist and tall grass has been mowed to expose low growing moss
One 4.59 lb. jug of Scotts MossEx treats 1,250 sq. ft.

7

8.6

Bonide Captain Jack's Lawnweed Brew, 32 oz Ready-to-Use Spray, Fast-Acting Formula Controls Weeds, Moss, Algae, Lichens & Disease

Bonide

Bonide Captain Jack's Lawnweed Brew, 32 oz Ready-to-Use Spray, Fast-Acting Formula Controls Weeds, Moss, Algae, Lichens & Disease

Main Highlights

CONTROLS WEEDS AND DISEASE - Use to control dandelion, moss, algae, lichens, chickweed, oxalis, clover, ground ivy and more. It also suppresses diseases such as dollar spot, rust, snow mold plus many more.
QUICK RESULTS - Injury to weeds can be noticed within hours of application. Treated weeds, moss or algae will turn brown or black.
FOR USE ON GRASS - Designed to kill a variety of weeds and diseases, not lawn grasses. When used as directed it kills a variety of weeds in lawns, roots and all.
DERIVED FROM IRON - Iron is an essential nutrient to the development and growth of plants.
READY TO USE - This product is conveniently ready to use when it arrives because it is not a concentrate that needs mixing. The nozzle makes this product easy to deploy.

8

8.3

Save 21%

Scotts Turf Builder Triple Action for Moss Control, Moss Killer and Lawn Fertilizer, Covers Up to 4,000 sq. ft., 20 lbs.

Scotts

Scotts Turf Builder Triple Action for Moss Control, Moss Killer and Lawn Fertilizer, Covers Up to 4,000 sq. ft., 20 lbs.

Main Highlights

Scotts Turf Builder Triple Action for Moss Control kills moss without harming your lawn
Added fertilizer feeds grass for a healthier, greener lawn and thickens grass to help protect against future problems
Apply our moss killer plus fertilizer to a moist, mowed lawn during winter or spring when moss is actively growing
This lawn care product can be used on most grass types
One 20 lb. bag of Scotts Turf Builder Triple Action for Moss Control covers up to 4,000 sq. ft.

9

8.1

Save 8%

BioAdvanced 3-in-1 Insect and Mite Plant Bug Spray, Pest Control Ready-to-Spray 32 oz, Disease Control

BioAdvanced

BioAdvanced 3-in-1 Insect and Mite Plant Bug Spray, Pest Control Ready-to-Spray 32 oz, Disease Control

Main Highlights

3-in-1 FORMULA: For use on roses, flowers, shrubs and trees to control listed insects, disease and mites
COVERAGE AREA: Treats up to 192 roses with outdoor bug spray
INSECT KILLER: Insect spray kills Aphids, Spider Mites, adult Japanese Beetles, Caterpillars, and more
RAINPROOF PROTECTION: Fungicide for plants offers rainproof protection lasting up to 14 days
DISEASE CONTROL: Plant fungicide controls Black Spot, Powdery Mildew, and other listed pests

Our Best Overall Choice

9.7

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

BioAdvanced

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

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

LAWN MOSS KILLER: Moss turns yellow and then brown, but must be physically removed once dead
2-in-1 KILLER and CLEANER: Use on lawns, patios, roofs, buildings, decks, driveways, mulch, and more
MOSS and ALGAE KILLER and CLEANER: Moss killer for algae, lichen, mold*, and mildew* for protection that lasts for months (*not including species considered public health concerns)
NON-STAINING FORMULA: Non-staining formula will not stain and will wont harm lawns when used as directed
NON-BLEACH FORMULA: BioAdvanced non-bleach formula will not stain or harm lawns

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Special Amazon deal ends in:

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

Special Amazon deal ends in: