Best Green Algae Remover of 2026

Last updated on 04/04/2026
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Best Choice
1
9.7
Exceptional
Jarder Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Green Mould & Algae Killer (20L)
Jarder

Jarder Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Green Mould & Algae Killer (20L)

Why we love it
  • Effortless and effective cleaning.
  • Prevents mould regrowth.
  • Safe for kids, pets.
Main Highlights
  • ✓ CLEANS WITH NO EFFORT: Jarder Spray And Leave Kills All Green Mould & Algae With Ease, Without The Need For Scrubbing Or Pressure Washing! Simply Mix, Spray & Walk Away - Works Like Magic!
  • ✓ SUPER CONCENTRATE: One 5 Litre Bottle Of Jarder Spray & Leave Makes A Minimum Of 30 Litres Of Solution Covering A Huge 240m² Area - Jarder Spray & Leave Is a Maximum Strength Super Concentrate Boasting 50% More Active Ingredient Than Other Brands!
  • ✓ ALL HARD SURFACES: Perfect For Use On Patios, Decking, Fencing, Paths, Driveways, Roofs, Sheds, Greenhouses, Garden Statues, Terracotta Pots, UPVC Windows, Boats, Caravans, Motor Homes And All Indoor & Outdoor Hard Surfaces Affected By Green Mould and Algae.
  • ✓ PREVENTS REGROWTH: Once Treated Results Will Show In 2-3 Days. Spray & Leave Penetrates Your Outdoor Surfaces Creating An Invisible Barrier Which Will Help To Prevent Re-Growth For Up To Six Months!
  • ✓ SAFE & GUARANTEED RESULTS: Biodegradable PH8; Non-Caustic, No Acid & No Bleach! Jarder Spray & Leave Is Safe For Children & Pets Once The Area Is Dried. Prepare To Be Amazed!
9.7
Exceptional
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🛡️Trusted by 100M+ UsersWhy?
Best Value
2
9.6
Superb
Save 5%
Wet & Forget Mould, Lichen & Algae Remover, Outdoor Patio Cleaner, Black Spot Remover, Bleach Free, 5L
Wet & Forget

Wet & Forget Mould, Lichen & Algae Remover, Outdoor Patio Cleaner, Black Spot Remover, Bleach Free, 5L

5% Off
Why we love it
  • Efficiently removes mould, mildew, algae.
  • Large coverage for maximum cleaning.
  • No harsh scrubbing required.
Main Highlights
  • No Scrubbing Required: Simply mix 1 part Wet & Forget with 5 parts water, apply to the desired surface, and let it work its magic. No scrubbing, rinsing or jet washing required, just spray and walk away
  • Highly Concentrated Formula: One bottle produces up to 30 litres of solution, covering a large area of 100-300m². Apply in cloudy, dry conditions for best results, ensuring at least 4-5 hours before any rainfall
  • Versatile Application: Perfect for various surfaces, including patios, roofs, bricks, paving, artificial grass, tarmac, decking and more. Whether it's your driveway, headstones, or solar panels, Wet & Forget has you covered
  • Softer Solution: Wet & Forget’s gentle, nearly pH-neutral formula is bleach-free making it safe to use on so many different outdoor surfaces
  • Confidence in Every Spray: While our formula is gentle, we recommend wearing protective gloves and eye protection during use.
9.6
Superb
Save 5%
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3
9.5
Superb
GLEAN Green Clean Patio Cleaner 5L | Covers 200m² | Concentrate | Algae Remover for Moss, Mould, Lichen & Algae | Spray and Leave | For Paths, Fences, Roof Tiles, Decking, Brick & Concrete Surfaces
GLEAN

GLEAN Green Clean Patio Cleaner 5L | Covers 200m² | Concentrate | Algae Remover for Moss, Mould, Lichen & Algae | Spray and Leave | For Paths, Fences, Roof Tiles, Decking, Brick & Concrete Surfaces

Why we love it
  • Versatile outdoor space cleaner.
  • Effortless application, long-lasting effects.
  • Eco-friendly and safe.
Main Highlights
  • 𝗟𝗼𝗻𝗴 - 𝘁𝗲𝗿𝗺 𝗲𝗳𝗳𝗲𝗰𝘁𝗶𝘃𝗲𝗻𝗲𝘀𝘀: Weather: activated algae remover that targets green algae, moss, lichen, and mould on patios, decking, tarmac, fences, concrete paths, and roof tiles. Rain: released for root - level cleaning.
  • 𝗔𝗹𝗹 𝘀𝗲𝗮𝘀𝗼𝗻 𝗽𝗮𝘁𝗶𝗼 𝗰𝗹𝗲𝗮𝗻𝗲𝗿 & 𝗺𝗼𝘀𝘀 𝗸𝗶𝗹𝗹𝗲𝗿: Removes unwanted green growth, and mildew from balconies, brickwork, porcelain paving, resin drives, and paving slabs. A trusted alternative to pressure washing.
  • 𝗢𝘂𝘁𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝘀 𝗯𝗹𝗲𝗮𝗰𝗵 - 𝗯𝗮𝘀𝗲𝗱 𝘀𝗽𝗿𝗮𝘆𝘀: GLEAN removes green mould, moss, and lichen from natural stone walls, paving edges, and steps. No surface bleaching—just lasting results, no rinse.
  • 𝗦𝗮𝗳𝗲 𝗼𝗻𝗰𝗲 𝗱𝗿𝘆 𝗳𝗼𝗿 𝗴𝗮𝗿𝗱𝗲𝗻𝘀 & 𝗽𝗲𝘁𝘀: Confidently spray around lawns, plants, and outdoor furniture. Apply using a garden sprayer, watering can, or trigger bottle - zero harsh runoff.
  • 𝟱𝗟 𝗰𝗼𝗻𝗰𝗲𝗻𝘁𝗿𝗮𝘁𝗲 𝗳𝗼𝗿 𝗳𝘂𝗹𝗹 𝗼𝘂𝘁𝗱𝗼𝗼𝗿 𝗮𝗿𝗲𝗮𝘀: Dilute 1:5 to cover up to 200m². Use on paving slabs, render, composite decking, natural stone, brick paths, and driveways. Compatible with all sprayers.
  • 𝗧𝗿𝘂𝘀𝘁𝗲𝗱 𝗕𝗿𝗮𝗻𝗱 – 𝗣𝗿𝗼𝗳𝗲𝘀𝘀𝗶𝗼𝗻𝗮𝗹 𝗾𝘂𝗮𝗹𝗶𝘁𝘆, 𝗗𝗜𝗬 - 𝗳𝗿𝗶𝗲𝗻𝗱𝗹𝘆: GLEAN is a UK brand leading in outdoor surface cleaners may it be wood, stone, brick, decking, tile maintenance, used by homeowners, gardeners, and tradespeople.
9.5
Superb
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4
9.4
Superb
5 Litre Concentrate Spray & Leave Cleaner - Patio Fencing Decking - Green Mould & Algae Killer
Jarder

5 Litre Concentrate Spray & Leave Cleaner - Patio Fencing Decking - Green Mould & Algae Killer

Why we love it
  • Effortless and powerful cleaning.
  • Prevents regrowth effectively.
  • Super concentrated and economical.
Main Highlights
  • ✓ CLEANS WITH NO EFFORT: Jarder Spray And Leave Kills All Green Mould, Algae & Lichen With Ease, Without The Need For Scrubbing Or Pressure Washing! Simply Mix, Spray & Walk Away - Works Like Magic!
  • ✓ SUPER CONCENTRATE: One 5 Litre Bottle Of Jarder Spray & Leave Makes A Minimum Of 30 Litres Of Solution Covering A Huge 240m² Area - Jarder Spray & Leave Is a Maximum Strength Super Concentrate Boasting 50% More Active Ingredient Than Other Brands!
  • ✓ ALL HARD SURFACES: Perfect For Use On Patios, Decking, Fencing, Paths, Driveways, Roofs, Sheds, Greenhouses, Garden Statues, Terracotta Pots, UPVC Windows, Boats, Caravans, Motor Homes And All Indoor & Outdoor Hard Surfaces Affected By Green Mould and Algae.
  • ✓ PREVENTS REGROWTH: Once Treated Results Will Show In 2-3 Days. Spray & Leave Penetrates Your Outdoor Surfaces Creating An Invisible Barrier Which Will Help To Prevent Re-Growth For Up To Six Months!
  • ✓ SAFE & GUARANTEED RESULTS: Biodegradable PH8; Non-Caustic, No Acid & No Bleach! Jarder Spray & Leave Is Safe For Children & Pets Once The Area Is Dried. Prepare To Be Amazed!
9.4
Superb
Amazon Logo
5
9.2
Superb
Patio Cleaner Concentrate 5L Makes 30L - Green Stain Removal - For Patios, Wood Decking or Fence, Driveways, Roofs & Block Paving Cleaning - Green Growth Remover
Furniture Clinic

Patio Cleaner Concentrate 5L Makes 30L - Green Stain Removal - For Patios, Wood Decking or Fence, Driveways, Roofs & Block Paving Cleaning - Green Growth Remover

Why we love it
  • Removes green staining efficiently.
  • Covers large outdoor areas.
  • Safe for pets and children.
Main Highlights
  • REMOVES GREEN STAINING: Our Green Growth Remover will get rid of green staining from all exterior surfaces. It also prevents regrowth.
  • MAKES 30 LITRES: Both 500ml and 5L bottles dilute with water to make 30 litres and will cover 125m².
  • SPRAY ON AND LEAVE TO WORK: Once diluted, simply spray on, and walk away. The green stain will disappear within five days. No scrubbing or pressure washing required.
  • USE ON MULTIPLE OUTDOOR SURFACES: Use our algae remover to clean and restore the appearance of all hard surfaces including decking, fences, patios, paths, tarmac, roofs, walls, stone garden pots and ornaments, uPVC windows and greenhouses.
  • BIODEGRADABLE: Green Growth Remover is safe to use around children, pets and wildlife. The formula is water-based and contains no bleach or acid.
9.2
Superb
Amazon Logo
6
9.2
Superb
Jarder 2 x 5 Litre Concentrate Spray & Leave Cleaner - Patio Fencing Decking - Green Mould & Algae Killer
Jarder

Jarder 2 x 5 Litre Concentrate Spray & Leave Cleaner - Patio Fencing Decking - Green Mould & Algae Killer

Why we love it
  • Effortless cleaning with no scrubbing.
  • Super concentrate covers large areas.
  • Prevents regrowth for months.
Main Highlights
  • ✓ CLEANS WITH NO EFFORT: Jarder Spray And Leave Kills All Green Mould & Algae With Ease, Without The Need For Scrubbing Or Pressure Washing! Simply Mix, Spray & Walk Away - Works Like Magic!
  • ✓ SUPER CONCENTRATE: One 5 Litre Bottle Of Jarder Spray & Leave Makes A Minimum Of 30 Litres Of Solution Covering A Huge 240m² Area - Jarder Spray & Leave Is a Maximum Strength Super Concentrate Boasting 50% More Active Ingredient Than Other Brands!
  • ✓ ALL HARD SURFACES: Perfect For Use On Patios, Decking, Fencing, Paths, Driveways, Roofs, Sheds, Greenhouses, Garden Statues, Terracotta Pots, UPVC Windows, Boats, Caravans, Motor Homes And All Indoor & Outdoor Hard Surfaces Affected By Green Mould and Algae.
  • ✓ PREVENTS REGROWTH: Once Treated Results Will Show In 2-3 Days. Spray & Leave Penetrates Your Outdoor Surfaces Creating An Invisible Barrier Which Will Help To Prevent Re-Growth For Up To Six Months!
  • ✓ SAFE & GUARANTEED RESULTS: Biodegradable PH8; Non-Caustic, No Acid & No Bleach! Jarder Spray & Leave Is Safe For Children & Pets Once The Area Is Dried. Prepare To Be Amazed!
9.2
Superb
Amazon Logo
7
9.0
Superb
Pro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)
Pro-Kleen

Pro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)

Why we love it
  • Cleans and revives outdoors fast.
  • Safe for pets and children.
  • Incredibly easy to use.
Main Highlights
  • Effortless Cleaning: Transform outdoor spaces effortlessly—Pro-Kleen Simply Spray removes green mould and algae with no scrubbing or pressure washing required
  • Perfect for All Hard Surfaces: Clean patios, decking, fences, pathways, roofs, sheds, UPVC windows, boats, and more—indoors or outdoors—quickly and effectively
  • High-Strength Super Concentrate: Get unbeatable value! A 5L bottle creates 25L of solution, covering 175m² with 50% more active ingredients than competing brands
  • Long-Lasting Regrowth Protection: Enjoy long-lasting results—our powerful formula eliminates regrowth for up to six months. Simply spray, wait, and watch it work!
  • Safe for Families and Pets: Feel confident with our non-caustic, biodegradable formula that’s free of acids, bleach, and harmful chemicals—safe once dry
9.0
Superb
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8
8.9
Excellent
5L Mould Algae & Lichen Remover Spray and Leave Ready To Use With Convenient Long Hose Trigger (1)
STORM TRADING GROUP

5L Mould Algae & Lichen Remover Spray and Leave Ready To Use With Convenient Long Hose Trigger (1)

Why we love it
  • Effective against stubborn growth.
  • Easy application without scrubbing.
  • Convenient long trigger hose included.
Main Highlights
  • MOULD LICHEN & ALGAE REMOVER: Our strong formula works on stubborn mould, lichen, and algae on your outdoor surfaces with our strong ready to use formula. It is designed for hassle-free application (including a long trigger), our solution works over time to clean and protect your surfaces. There is no need for any scrubbing, rinsing or jet-washing.
  • WORKS ON VARIOUS SURFACES: This strong formula is designed for use on patios, roofs, fencing, upvc windows, sheds, caravans, boats, decking and driveways. Helps prevent re-growth see results that last for months. Our remover has been specially formulated to aid in the removal of green growth from paving. Whether you have concrete block paving, concrete slabs/flags, natural stone paving, porcelain paving or tarmacadam, our algae, mould and lichen remover utilises strong dissolving formula technology, which ensures there is no need to scrub, rinse or pressure wash the area following application. You can also apply it straight from the bottle.
  • CONVENIENT TRIGGER HOSE: Each bottle comes complete with a convenient trigger hose. This trigger hose is long which makes it easier to reach them difficult areas and also makes your job that much easier. Our formula is also ready to use straight from the bottle. Simply attach the trigger and spray.
  • SIZE DIMENSIONS: Each bottle is 5 Litres with a trigger hose. Simply select the number of bottles required from the menu above (each bottle will come with a trigger hose).
8.9
Excellent
Amazon Logo
9
8.9
Excellent
GLEAN Green Clean Algae Remover | 1L Covers 10m² | Ready to Use Spray | Patio Cleaner for Moss, Mould, Lichen & Algae | Spray and Leave | Paths, Fences, Roof Tiles, Decking, Brick & Concrete Surfaces
GLEAN

GLEAN Green Clean Algae Remover | 1L Covers 10m² | Ready to Use Spray | Patio Cleaner for Moss, Mould, Lichen & Algae | Spray and Leave | Paths, Fences, Roof Tiles, Decking, Brick & Concrete Surfaces

Why we love it
  • Versatile and cost effective cleaner.
  • Effortless application, lasting results.
  • Eco-friendly and pet safe.
Main Highlights
  • Long Term Affectiveness: Weather: activated algae remover that targets green algae, moss, lichen, and mould on patios, decking, tarmac, fences, concrete paths, and roof tiles. Rain - released for root - level cleaning.
  • All Season Patio Cleaner & Moss Killer: Removes unwanted green growth, and mildew from balconies, brickwork, porcelain paving, resin drives, and paving slabs. Is a mould remover and can be a weed killer. A trusted alternative to pressure washing.
  • Outperforms Bleach Based Stains: GLEAN removes green mould, moss, and lichen from natural stone walls, paving edges, and steps. No surface bleaching—just lasting results, no rinse like mould magic.
  • Safe Once Dry For Kids & Pets: Confidently spray around lawns, plants, decking cleaner and outdoor furniture. Apply using a garden sprayer, watering can, or trigger bottle - zero harsh runoff.
  • 1L Ready To Use Patio Cleaner: Dilute 1:5 to cover up to 200m². Use on paving slabs, render, composite decking, natural stone, brick paths, and driveways. Compatible with all sprayers. Can be seen as patio magic and a great bleach spray and mould spray.
  • Trusted Brand, Professional Quality, DIY Friendly: GLEAN is a UK brand leading in outdoor surface cleaners may it be wood, stone, brick, decking, tile maintenance, used by homeowners, gardeners, and tradespeople. Great to be used as a mold remover spray and black spot remover patio cleaner.
8.9
Excellent
Amazon Logo
10
8.7
Excellent
ULTIMA-PLUS XP Green Mould and Algae Killer Patio Cleaner Simply Spray Leave and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)
ULTIMA-PLUS XP

ULTIMA-PLUS XP Green Mould and Algae Killer Patio Cleaner Simply Spray Leave and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)

Why we love it
  • Powerful against mould and algae.
  • Creates protective, long-lasting barrier.
  • Large coverage value for money.
Main Highlights
  • Ultima-Plus XP is a max-strength patio cleaner that both wipes out green mould and algae and forms a protective barrier that stops it from growing back, keeping your hard surfaces clean for months after treatment
  • You can use Ultima-Plus XP on your patio, paving, decking, tarmac, stonemasonry, bricks, wood, corrugated asbestos, greenhouse glass, and more
  • 100% safe: biodegradable. PH8. Non-caustic, no acid, no bleach and is totally safe for use around children & pets once the area has dried
  • Penetrates your outdoor surfaces creating an invisible barrier which will help to prevent re-growth for up to 6 months
  • Just one bottle makes up to 25L – covering a huge 200 square metres. This makes this patio cleaner superb value for money with it covering a large area - perfect for patios and driveways!
8.7
Excellent
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Related Deals You Might Like for Green Algae Remover

📊We scanned 1395 products
🔍
We reviewed the most relevant Green Algae Remover offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Jarder, Wet & Forget, GLEAN, Furniture Clinic, Pro-Kleen, STORM TRADING GROUP, ULTIMA-PLUS XP, known for dependable quality and smart design.
⭐
To determine today's best Green Algae Remover, we analysed 6976 real customer and expert reviews, focusing on satisfaction, real-world performance and long-term reliability. We also weigh each review's relevance, authenticity and freshness for a fair comparison.

What we concluded:

🏆 #1
Jarder Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Green Mould & Algae Killer (20L)

Our overall winner is Jarder Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Green Mould & Algae Killer (20L) by Jarder. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Effortless and effective cleaning
✓Prevents mould regrowth
✓Safe for kids, pets
💎 Best Value
Wet & Forget Mould, Lichen & Algae Remover, Outdoor Patio Cleaner, Black Spot Remover, Bleach Free, 5L

The best value for most shoppers is Wet & Forget Mould, Lichen & Algae Remover, Outdoor Patio Cleaner, Black Spot Remover, Bleach Free, 5L by Wet & Forget, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Wet & Forget Mould, Lichen & Algae Remover, Outdoor Patio Cleaner, Black Spot Remover, Bleach Free, 5L

The strongest deal right now for Green Algae Remover is Wet & Forget Mould, Lichen & Algae Remover, Outdoor Patio Cleaner, Black Spot Remover, Bleach Free, 5L at Wet & Forget, currently at 5% off.

🔄Our Green Algae Remover ranking is updated regularly to reflect new releases and price changes—check back for the latest picks and deals.