Top 10 Magic Patio Cleaner

Discover our curated selection of high-quality products.

Last update: 12-07-2026

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1
Wet & Forget Mould, Lichen & Algae Remover, Outdoor Cleaning Solution, Black Mould Remover, Bleach Free, 5 Litre
Wet & Forget

Wet & Forget Mould, Lichen & Algae Remover, Outdoor Cleaning Solution, Black Mould Remover, Bleach Free, 5 Litre

  • Removes Mould Easily: Just wet & walk away, leaving the product to effectively remove mould, mildew, and algae without the need to scrub.
  • Large Coverage: Mix one part solution to 5 parts waters to make 30 litres of solution. 100-300m2 surface area is covered; allowing for maximum amount of contamination to be treated.
  • Multiple Surfaces: Our non-bleach formula is perfect for cleaning ANY outdoor surface such as, roofs, bricks, natural stone pavers, headstones, patios, driveways, paintwork glass houses, solar panels, tarmac, artificial grass and more.
  • Spray & Leave: No scrubbing needed, simply saturated desired dry surface with solution and allow the product to work its magic. Ensure you have at least 5hrs before any rainfall.
  • Use Safely: We advise users to wear protective gloves and eye protection on application.
9.3/10
Editor's Pick
Available at Amazon
2
Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Green Mould & Algae Killer (20L)
Jarder

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

  • ✓ 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!
  • Please note Jarder Spray and Leave may be supplied in either a blue or black bottle. Occasionally due to supplier issues we may have to use a different coloured bottle but please be assured the contents inside are identical.
9.0/10
Available at Amazon
3
SmartSeal Patio Clean Xtreme 5L *BUY 1, GET ONE LESS THAN HALF PRICE!* Powerful, Concentrated Patio Cleaner & Black Mould Spot Remover for Natural Stone, Block & Paving Slabs, Concrete, Flagsto
SmartSeal

SmartSeal Patio Clean Xtreme 5L *BUY 1, GET ONE LESS THAN HALF PRICE!* Powerful, Concentrated Patio Cleaner & Black Mould Spot Remover for Natural Stone, Block & Paving Slabs, Concrete, Flagsto

  • 💪 YOUR ULTIMATE CLEANING SOLUTION - Our patio cleaner, part of the Xtreme range from SmartSeal, contains four powerful active ingredients that effectively inhibit further growth and spread of lichens, algae & any other fungal growths that are often seen on patios. A unique blend of cleaning surfactants, formulated as a more effective alternative to Sodium Hypochlorite.
  • 🌧️HIGHLY EFFECTIVE IN REMOVING STUBBORN BLACK LICHEN OR PATIO BLACK SPOT - Experience the power of Smartseal Green Clear, the ultimate patio cleaner specifically formulated to tackle stubborn black lichen more often referred to as patio Black Spot. Say goodbye to persistent black spots caused by damp conditions as this heavy-duty patio cleaner targets and eliminates them with precision.
  • 🧱ULTIMATE PATIO BLACK SPOT REMOVER & NATURAL STONE CLEANER - Eliminate algae growth and maintain a pristine looking patio with our trusted formula. Experience hassle-free patio maintenance with our Ultimate Patio Black Spot Remover & Natural Stone Cleaner, trusted and tested on all algae types, including green, white, yellow and black lichen, ensuring your outdoor spaces remain spotless and beautiful.
  • ⏱️ SWIFT AND EFFICIENT CLEANING - With its fast-acting formula, SmartSeal Patio Clean Xtreme, the ultimate black spot patio cleaner and patio black spot remover for natural stone, ensures a swift and efficient patio cleaning process. Spend less time scrubbing and more time enjoying your outdoor space. Witness the transformation as it quickly removes dirt, grime, moss, and other stubborn stains. Say goodbye to unsightly black spots on your patio and pathways with our powerful patio cleaners!
  • 🏞️ VERSATILE USAGE - Our patio cleaner has been specifically designed to be suitable for various surfaces. Whether you need a concrete cleaner, Indian sandstone cleaner, stone patio cleaner, pavement cleaner, Indian stone cleaner, or stone cleaner, our product delivers fantastic results. With its powerful formula, it tackles dirt and grime. Leaving the surface of your patio looking fresh and revitalised! 5 Litres will clean approximately 40m2.
8.9/10
Available at Amazon
4
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)

  • PERFECT FOR THE REMOVAL OF ORGANIC GROWTH: This porcelain tile cleaner for patio’s and tiles is a powerful cleaning agent, solvent & VOC free. Perfect for cleaning existing porcelain patio’s, paths, and driveways of clag, algae, slime, lichen & grime, which typically forms in the colder months. But can be used at any time of the year to remove algae, lichen, slimes & leaf staining.
  • SUITABLE FOR: Any kind of exterior porcelain tile. Specifically targets organic contaminations such as – Algae, lichen, slime, moss, fungi, bird droppings & leaf staining. As well as general dirt & grime.
  • HUGE COVERAGE: This product is to be diluted at 1:3 with clean waterr for general cleaning or undiluted for severe contaminations. 5 litres of concentrate diluted at 1:3 will produce 20 litres of cleaning fluid, covering up to 100m2 of surface area. Apply to the entire surface and associated grout lines periodically agitating with a stiff brush. Rinse off after use with clean water. This cleaner can also be applied at stronger concentrations of 1:1 or apply undiluted.
  • EASY TO APPLY: This Porcelain Tile Cleaner is very easy to apply. Simply apply with a sprayer bucket or watering can as needed. Keep the product wet during the treatment time (add more cleaning fluid or a little water to do this) and agitate periodically with a stiff brush. Rinse thoroughly after use. Typically, no more than a 15 minute dwell time is required for the product to remove organic staining.
  • TACKLES LEAF STAINING: Can be applied to patio’s suffering from leaf staining. You may wish to apply the product neat or in a more concentrated form for leaf stain removal. Use a longer dwell time of 1 hr + The longer the better! - Leaf staining is one of the most difficult organic stains to remove.
  • FURTHER DETAILS: Located at the foot of the page with answers to all your cleaning/sealing requirements for external porcelain tiles. If you are cleaning a newly laid patio of cements & grouts or slurry primers and builders grime you may be interested in Outdoor Porcelain Tile Cleaner – also available on Amazon.
8.8/10
Available at Amazon
5
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)

  • 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
  • Quick and Easy to Use: Mix, spray, and walk away! Clean large areas effortlessly with a garden sprayer or watering can—results appear in just a few days
  • Hassle-Free Outdoor Cleaning: Say goodbye to outdoor mess! Pro-Kleen's easy-to-use formula makes cleaning your space simpler and more effective than ever
8.8/10
Available at Amazon
6
Fast Patio Cleaner - 5 Litre | Outdoor & Garden Surface Cleaner for Patio, Decking, Fencing, Stone, Concrete & Many More | Eliminates Black Spots, Algae, Mold, Lichen in Just 10 Minutes
Monty Miracle

Fast Patio Cleaner - 5 Litre | Outdoor & Garden Surface Cleaner for Patio, Decking, Fencing, Stone, Concrete & Many More | Eliminates Black Spots, Algae, Mold, Lichen in Just 10 Minutes

  • EFFECTIVE STAIN REMOVER: Our patio cleaner is specifically formulated to tackle a wide range of organic stains including black spot, algae, fungal growth, dirt, grime, mould, mildew, lichen, moss, and many more. Rejuvenate and clean your patio and other outdoor spaces in no time! Transform your patio and garden in less than 10 minutes as our cleaner takes no longer to see results. One 5L bottle covers up to 25 sq. m.
  • POWERFUL CLEAN: With our unique patented blend of ingredients and boosted formula, results in a rapid hard surface external cleaner, it penetrates deep into surfaces, eliminating tough organic stains and growths at the root for an unparalleled clean that restores the natural lustre of your patio and outdoor areas, lasting longer and gentle on your surfaces.
  • VERSATILE CLEANING SOLUTION: Not limited to patios, our cleaner is perfect for various other outdoor surfaces such as block paving, fencing, decking, brick, concrete, wood, natural stone, roof tiles, Indian stone, porcelain tile, tarmac, UPVC, render, gravel, resin drives and many more.
  • LONG-LASTING PROTECTION: Our patio cleaner not only eliminates existing organic stains at the root, but it also helps clean and cleanse the area making it the ideal all in one cleaning solution. Enjoy a clean and well-maintained outdoor space for months to come using a simple & fast cleaning solution.
  • EASY TO USE: Our solution is ready to go so no need to mix or dilute. Simply use a garden pump spray bottle to apply our Monty Miracle Outdoor Cleaner to most external hard surfaces such as patios, decking, fences, render, tile, and leave for 6-10 mins before rinsing it off with clean water. This cleaner will help prevent slippy surfaces in your garden to ensure you, your family & friends stay safe. No scrubbing, no mess, no noise, or pressure washing needed!
8.6/10
Bestseller
Available at Amazon
7
2 x Algon Organic Path and Patio Cleaner Concentrate 2.5l
Grace nnvg

2 x Algon Organic Path and Patio Cleaner Concentrate 2.5l

  • 2 X Algon Organic Path And Patio Cleaner Concentrate 2 5L
  • Brand: Algon
  • Product Type :Cleaning Agent
8.5/10
Available at Amazon
8
Pro-Kleen Simply Spray & Walk Away Concentrate Patio - Fencing - Decking - Green Mould and Algae Killer (20L Simply Spray)
Pro-Kleen

Pro-Kleen Simply Spray & Walk Away Concentrate Patio - Fencing - Decking - Green Mould and Algae Killer (20L Simply Spray)

  • 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 ✓
8.5/10
Available at Amazon
9
Patio Magic! Concentrate: Ideal for Patios, Paths and Driveways (Kills Algae and Lichens), 5 Litres
Scotts

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

  • 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
8.4/10
Available at Amazon
10
2 x 5 Litre Concentrate Spray & Leave Cleaner - Patio Fencing Decking - Green Mould & Algae Killer
Jarder

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

  • ✓ 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!
  • Please note Jarder Spray and Leave may be supplied in either a blue or black bottle. Occasionally due to supplier issues we may have to use a different coloured bottle but please be assured the contents inside are identical.
8.2/10
Available at Amazon

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