Best Algae Remover Patio of 2026

Last updated on 04/04/2026
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Best Choice
1
9.9
Exceptional
Save 11%
Wet & Forget Rapid Application, Ready-to-Use Mould, Lichen & Algae Remover, Black Spot Remover, Outdoor Cleaner for Patio Slabs, Driveways & Roofs, Bleach Free, 2L, Packaging May Vary
Wet & Forget

Wet & Forget Rapid Application, Ready-to-Use Mould, Lichen & Algae Remover, Black Spot Remover, Outdoor Cleaner for Patio Slabs, Driveways & Roofs, Bleach Free, 2L, Packaging May Vary

11% Off
Why we love it
  • Efficiently removes mould and mildew.
  • Convenient and easy application.
  • Works on various surfaces.
Main Highlights
  • No Scrubbing Required: Effectively works to removes outdoor mould, mildew, and algae, with no scrubbing, jet washing or rinsing needed. Simply saturate dry surface with solution and wait for product to work its magic; apply on day with no rain forecasted
  • Versatile Application: Perfect for covering large outdoor surfaces, including patios, roofs, driveways, paving, tarmac, decking and more. Whether it's your driveway or solar panels, Wet & Forget has you covered
  • Powerful Reach: The attached Reach Nozzle allows you to cover up to 200m² in just 10 minutes and reach up to 8m high, making it perfect for taller buildings
  • Hassle-Free: Simply attach to your hose, and the solution automatically mixes with water, just spray and walk away
  • Confidence in Every Spray: While our formula is gentle, we recommend wearing protective gloves and eye protection during use
  • New Packing Update: Due to a packaging refresh, you may receive either the original Pink bottle or the new Blue bottle. Formula and contents remain exactly the same.
9.9
Exceptional
Save 11%
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Best Value
2
9.8
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!
9.8
Exceptional
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3
9.7
Exceptional
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.
9.7
Exceptional
Save 5%
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4
9.6
Superb
Porcelain Patio Spring Clean - Mould, Algae & Leaf Stain Remover (5 Litre)
Floorseal Premium Surface Sealers & Cleaners

Porcelain Patio Spring Clean - Mould, Algae & Leaf Stain Remover (5 Litre)

Why we love it
  • Powerful removal of organic growth.
  • Easy to apply solution.
  • Offers huge coverage area.
Main Highlights
  • PERFECT FOR THE REMOVAL OF ORGANIC GROWTH & DIRT: This effective porcelain tile cleaner is for all porcelain tiled patio’s. Floorseal Porcelain Patio Spring Clean is a powerful & highly effective cleaning agent – solvent, acid & VOC free. Perfect for cleaning all types of porcelain patio’s, paths & driveways of clag, algae, slime, lichen & grime which typically forms in the colder wetter months. This product can also be used at any time of the year to deep clean. Remove slippery algae, lichen, slimes & leaf staining with ease
  • SUITABLE FOR: Any kind of exterior porcelain tile. Specifically targets organic contaminations such as algae, black lichen, slime, moss, fungi, bird droppings, tannin & leaf staining. Also removes general ingrained dirt & grime caused by general use & pets – including odours.
  • HUGE COVERAGE: This product is to be diluted at 1:3 with clean water for general cleaning or undiluted for severe tannin contaminations. 5 litres of concentrate diluted at 1:3 will produce 20 litres of cleaning fluid, easily covering 100m2+ of surface area. Apply to the entire surface and associated grout lines, periodically agitating with a medium stiff brush. Rinse off after use. This cleaner can be applied at stronger or weaker concentrations when required.
  • EASY TO APPLY: This porcelain tile cleaner is very easy to apply with a sprayer, bucket or plastic watering can. Keep the product wet during the treatment time (add more cleaning fluid or a little water to do this) and agitate periodically with a medium stiff brush if required. Rinse off after use. You will require no more than a 15 minute dwell time for the product to remove all organic staining, often only a few minutes is sufficient to thoroughly clean your porcelain patio.
  • TACKLES LEAF STAINING & SLIPPERY SURFACES: Apply to patio’s suffering from leaf staining, successfully removes tannin staining form leaf drop. Also removes the slippery film which forms on porcelain patios.
  • STRUGGLING TO CLEAN YOUR PORCELAIN PATIO? Use this product to cut through dirt and grime to restore the just laid appearance of your tiles! No pressure washer required!
  • FURTHER DETAILS: Located at the foot of the page.
9.6
Superb
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5
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
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6
9.3
Superb
Patio Magic! Concentrate: Ideal Patios, Paths And Driveways (Kills Algae And Lichens), 5 Litres
Patio Magic!

Patio Magic! Concentrate: Ideal Patios, Paths And Driveways (Kills Algae And Lichens), 5 Litres

Why we love it
  • Easy use on outdoor surfaces.
  • Scrubbing, pressure washing not required.
  • Quick and safe results.
Main Highlights
  • Use on outdoor hard surface
  • No need for scrubbing and pressure washing
  • Visible results in 2-4 days
  • Biodegradable and children and pets need not be excluded from treated areas once dry
9.3
Superb
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7
9.3
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.
9.3
Superb
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8
9.2
Superb
Sodium Hypochlorite Patio Cleaner – 2 x 5 Litres of Industrial-Strength Algae & Black Spot Remover – Powerful Driveway & Paving Cleaner – Professional Outdoor Cleaning Solution for Concrete
Chemiphase

Sodium Hypochlorite Patio Cleaner – 2 x 5 Litres of Industrial-Strength Algae & Black Spot Remover – Powerful Driveway & Paving Cleaner – Professional Outdoor Cleaning Solution for Concrete

Why we love it
  • Effective for targeted use.
  • Ensures safety for humans, pets.
  • Exceptionally strong formula.
Main Highlights
  • POWERFUL PATIO CLEANER – High-strength Sodium Hypochlorite solution, ideal for removing algae, lichen, and stains from patios, driveways, and outdoor surfaces.
  • EFFECTIVE ALGAE REMOVER – Quickly eliminates green algae, black mold, and lichen from concrete, brick, decking, roof tiles, and fences. Helps restore surfaces to their original condition.
  • MULTI-PURPOSE CLEANER – Perfect for use as a driveway cleaner, patio restorer, industrial bleach, and disinfectant. Ideal for both residential and commercial outdoor cleaning.
  • FAST-ACTING & EASY TO USE – Simply dilute and apply using a sprayer, watering can, or brush. Works in minutes to break down stubborn dirt, grime, and organic growth.
  • HIGHLY CONCENTRATED FORMULA – Professional-grade strength for tough cleaning jobs. Provides superior coverage and results compared to standard outdoor cleaners.
9.2
Superb
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9
9.0
Superb
Pro-Kleen Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Paths Patios Fencing Decking Resin Driveways 2 x 5 Litre Concentrate (Makes 50 Litres)
Pro-Kleen

Pro-Kleen Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Paths Patios Fencing Decking Resin Driveways 2 x 5 Litre Concentrate (Makes 50 Litres)

Why we love it
  • Powerful against mould and algae.
  • Long-lasting, easy-to-use solution.
  • Safe for children, pets.
Main Highlights
  • Simply Spray & Walk Away by Pro-Kleen is a super powerful outdoor green mould and algae removing solution – the intense cleaning fluid revives your patio, decking, fencing, outdoor furniture, and so much more and is safe for children and pets once dry!
  • For super quick results in cases of severe mould and algae, you can use it neat. With more active ingredient than most other outdoor cleaning fluids, Simply Spray & Walk Away really is the better way to clean and revive your outdoor area (with hardly any effort required at all)! This concentrated patio cleaner fluid is all you need to keep your garden looking clean all year round and 5 litres of solution makes up to 25 LITRES!
  • Safe for use on all outdoor hard surfaces including driveways, patios, fencing, roofs, uPVC windows, boats, caravans, motor homes, sheds, decking, and anywhere green mould and algae forms. You’ll see results in a few days that last for months.
  • This outdoor cleaning solution is super easy to use! Simply mix 1 litre of Simply Spray & Walk Away with 4 litres of water - (or 1 part solution with 4 parts water), spray on with your low pressure garden sprayer or watering can then walk away, forget about it, and the green stuff will be gone within a few days! This powerful cleaning solution even helps to prevent the regrowth of mould and algae for up to 6 MONTHS!
  • No pressure washer needed ✓ Super concentrate ✓ Non-acidic ✓ Non caustic ✓ No bleach ✓ No shelf life ✓ Biodegradable pH8 ✓ Children and pet safe once dry ✓
9.0
Superb
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10
8.9
Excellent
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.
8.9
Excellent
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Related Deals You Might Like for Algae Remover Patio

📊We scanned 1376 products
🔍
We reviewed the most relevant Algae Remover Patio offers across Amazon and leading retailers, covering major brands and models. Our shortlist features trusted names like Wet & Forget, Jarder, Floorseal Premium Surface Sealers & Cleaners, Patio Magic!, Furniture Clinic, Chemiphase, Pro-Kleen, GLEAN, known for dependable quality and smart design.
⭐
To determine today's best Algae Remover Patio, we analysed 6881 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
Wet & Forget Rapid Application, Ready-to-Use Mould, Lichen & Algae Remover, Black Spot Remover, Outdoor Cleaner for Patio Slabs, Driveways & Roofs, Bleach Free, 2L, Packaging May Vary

Our overall winner is Wet & Forget Rapid Application, Ready-to-Use Mould, Lichen & Algae Remover, Black Spot Remover, Outdoor Cleaner for Patio Slabs, Driveways & Roofs, Bleach Free, 2L, Packaging May Vary by Wet & Forget. It stands out for the right balance of quality, performance and value.

✨ What sets it apart:
✓Efficiently removes mould and mildew
✓Convenient and easy application
✓Works on various surfaces
💎 Best Value
Jarder Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Green Mould & Algae Killer (20L)

The best value for most shoppers is Jarder Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Green Mould & Algae Killer (20L) by Jarder, with consistently high satisfaction across expert and customer reviews.

💰 Best Deal
Wet & Forget Rapid Application, Ready-to-Use Mould, Lichen & Algae Remover, Black Spot Remover, Outdoor Cleaner for Patio Slabs, Driveways & Roofs, Bleach Free, 2L, Packaging May Vary

The strongest deal right now for Algae Remover Patio is Wet & Forget Rapid Application, Ready-to-Use Mould, Lichen & Algae Remover, Black Spot Remover, Outdoor Cleaner for Patio Slabs, Driveways & Roofs, Bleach Free, 2L, Packaging May Vary at Wet & Forget, currently at 11% off.

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