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10 Best Patio Cleaner Fluid Spray And Leave in The UK

Last updated on 09/07/2025

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Best Choice

9.7

Exceptional

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!
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.

Spear and Jackson - Spray and Leave Concentrate 2 x 5 Litres - Kills Mould, Algae & Lichen From All Exterior Surfaces

3% OffFree Shipping

Why We Love It

Versatile surface compatibility.
Prevents future algae growth.
Safe for household use.

Main Highlights

CONCENTRATED MOULD SPRAY: The Spear and Jackson Spray And Leave for the removal of mould, algae and lichen is suitable for a range of different surfaces such as patios, roofs, fencing, upvc windows, sheds, caravans, boats, decking and driveways. Within this bottle, you'll receive 5 litres of mould remover spray that, when diluted, makes up 25 litres of products, simply spray and walk away!
MOULD, LICHEN & ALGAE REMOVER: This product doesn't just act as a lichen, algae and mould remover - once the substance has been removed from your desired surface, the product will also work to repel any future dirt and inhibits algae and lichen from growing, leaving your surface as good as new, just wet & forget it!
CLEANING SUPPLIES: A patio magic cleaner, Spear and Jackson's algae, lichen and mould killer is formulated with active ingredients designed to counteract and prevent growth. The benefit of using this formula is its efficacy during all weather conditions. For every time it rains, the formula is reactivated to help control the gunge and grime without scouring or damaging the surface that has been infested
GOOD FOR MOULD PREVENTION: The packaging of Spear and Jackson's spray and leave algae, lichen and mould remover is 100% biodegradable. It's also safe for children and pets when it's dry, so treated around don't have to be corner off. To use, simply spray on with a low pressure garden sprayer or watering can. To create the solution, mix 1 litre of product with 4 litres of water and you'll be ready to go
SPEAR & JACKSON: With over 250 years experience and continuous innovation, Spear and Jackson have built an enviable reputation with their market leading products that offer high quality performance tools to suit a wide range of needs. Whether you're looking to unblock your sink drain or a concentrated mould, algae and moss spray then shop Spear and Jackson range of versatile, effective and long lasting household cleaning products

Patio Black Spot Remover Patio Cleaner for Artificial Stone - Marshalls, Bradstone, Cement-based Slabs - Black Spots, Lichen, Green Algae and White Fungi - Restore Natural Colour - Biodegradable - 4 L

Why We Love It

Restores stonework's original color.
Safe, biodegradable formula.
Trusted by garden centres.

Main Highlights

PATIO SPOT CLEANER - Our black spot and algae remover is formulated specifically to effectively remove black lichen, green algae, and white fungi, ensuring a thorough clean without damaging the stone surface.
STONE & CONCRETE CLEANER - Specifically designed for artificial stone, this spray and leave patio cleaner is safe to use on Marshalls, Bradstone, Haddonstone and Cement-based Slabs, and should also be used as a porcelain tile cleaner.
RESTORE COLOUR - Unlike pressure washing, our black spot and algae cleaner gently revitalises natural colours, effortlessly lifting dirt and grime, thereby helping to maintain the longevity of your garden stonework.
GARDEN AND PET FRIENDLY - Our paving slab cleaner for artificial stone is biodegradable and acid-free porcelain patio cleaner. Safely wash the lichen remover into the flower beds or over the lawn.
TRUSTED BRAND - Patio Black Spot Removal Company is trusted by leading garden centres in the UK. Our biodegradable, acid-free patio cleaner fluids restore the vibrant colour of stonework, for a lasting spotless finish.

Spear and Jackson 2 x 5L Spray and Leave Ready to Use formula with Long Hose Trigger

Free Shipping

Why We Love It

Effortless use, just spray and leave.
Effectively kills mould, algae and lichen.
Safe for children and pets.

Main Highlights

Ready to Use Spray and Leave, simply spray and walk away!
Removes green mould, algae and kills lichen, just wet & forget it!
A patio magic cleaner that is Biodegradable, Children and pets need not be excluded from treated areas (once dry)
Lasts for months & helps to control re-growth

Spear and Jackson - 2 x 5 Litres Concentrate - Path Patio and Decking Cleaner - Green Algae and Mould Remover - Pressure Washer Detergent

20% Off

Why We Love It

High-quality patio restoration tool.
Effortless application process.
Multifunctional outdoor solution.

Main Highlights

SPEAR AND JACKSON PATIO CLEANER: This patio cleaner is a high-quality lichen remover, mould remover and algae removal tool. The fungicidal wash inhibits regrowth of mould, and cuts through stubborn dirt and residue on your patio
RESTORES NATURAL APPEARANCE: Spear and Jackson's powerful green mould remover revives your patio and path to give it a fresh new lease of life. This patio cleaning fluid is formulated to rid garden stones, paths and patios of unwanted stains
EASY TO USE: Dilute, disperse and rinse - it's as easy as that! This 5 Litres of solution will create 25 Litres of product. Dilute with 4 parts water to 1 part concentrate. Use as a mould remover spray with the aid of a pressure washer, or dilute in a watering can/spray bottle/bucket. Remove debris with a patio brush before applying and rise with a garden hose after use
OUTDOOR USE: This concentrate is a multifunctional solution - it's a mould cleaner, lichen remover for driveways, paving slab cleaner and stone cleaner all in one. This versatile patio cleaner fluid is ideal for general garden use - brilliant for getting rid of Lichen on tarmac and removing mould and algae on patio slabs and the garden path
SPEAR AND JACKSON GARDEN RANGE: Spear and Jackson garden products, agricultural equipment & supplies are produced to the highest standard. Discover our range of path and patio cleaners, jet washers/pressure washers and black mould remover solutions to achieve top quality results.

Spear and Jackson - 5L Path and Patio Cleaner - 5L Pressure Sprayer - Concentrated Patio Cleaner - Pressure Washer Detergent - Lichen Control - Biodegradable

Why We Love It

Removes lichen, mould, algae powerfully.
Restores natural patio appearance.
Easy and accurate application.

Main Highlights

PATIO CLEANER: This patio cleaner is a high-quality lichen remover, mould killer and algae removal tool. The fungicidal wash inhibits regrowth of mould, and cuts through stubborn dirt and residue on your patio
RESTORES NATURAL APPEARANCE: powerful green mould remover revives your patio and path to give it a fresh new lease of life. This patio cleaning fluid is formulated to rid garden stones, paths and patios of unwanted stainstores natural appearance
OUTDOOR USE: This concentrate is a multifunctional solution - it's a mould cleaner, lichen killer for driveways, paving slab cleaner and stone cleaner all in one. This versatile patio cleaner fluid is ideal for general garden use - brilliant for getting rid of lichen on tarmac and removing mould and algae on patio slabs and the garden path
EASY TO USE: Dilute, disperse and rinse - it's as easy as that! This 5 Litres of solution will create 25 Litres of product. Dilute with 4 parts water to 1 part concentrate. Use as a mould remover spray with the aid of a pressure washer, or dilute in a watering can/spray bottle/bucket. Remove debris with a patio brush before applying and rise with a garden hose after use
GARDEN SPRAYERS 5 LITRE: This power sprayer is simple and easy to use, with a translucent graduated bottle displaying litres and fluid ounces for accuracy when filling, or mixing water/stone cleaner/fungicidal wash within the bottle. Spear and Jackson garden pressure sprayers are built with your safety in mind. This portable washer has a shoulder strap for support and safety

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

Free Shipping

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!
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.

Pro-Kleen Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 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 ✓

One Chem 2 x 5 Litre Ready To Use Spray and Leave with added Long Hose Trigger Spray - Fencing Patio Decking Driveway - Green Algae and Mould Killer

Why We Love It

Effective in all weather conditions.
Safe for kids and pets.
Versatile across many surfaces.

Main Highlights

MOULD, LICHEN & ALGAE REMOVER: This product doesn't just act as a lichen, algae and mould remover - once the substance has been removed from your desired surface, the product will also work to repel any future dirt and inhibits algae and lichen from growing, leaving your surface as good as new, just wet & forget about it
CLEANING SUPPLIES: One Chem algae, lichen and mould killer is formulated with active ingredients designed to counteract and prevent growth. The benefit of using this formula is its efficacy during all weather conditions. For every time it rains, the formula is reactivated to help control the gunge and grime without scouring or damaging the surface that has been infested. A patio magic cleaner!
GOOD FOR MOULD PREVENTION: The packaging of One Chem's spray and leave algae, lichen and mould remover is 100% biodegradable. It's also safe for children and pets when it's dry, so treated around don't have to be corner off. To use, simply spray on with added long hose trigger spray or with a low pressure garden sprayer or watering can.
ONE CHEM GARDEN RANGE: One Chem garden products, agricultural equipment & supplies are produced to the highest standard. Discover our range of pressure sprayers, path and patio cleaners and black spot patio cleaners for top quality results
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.

One Chem - 5L + 5L One Chem Sprayer - Heavy Duty Patio Cleaner - Path Cleaner Concentrate - Mould Remover, Lichen Remover, Algae Remover - Pressure Washer Detergent - Lichen Control

Why We Love It

High-quality versatile cleaning solution.
Restores natural outdoor appearance.
Includes high-quality pressure sprayer.

Main Highlights

ONE CHEM PATIO CLEANER: This HD patio cleaner is a high-quality lichen remover, mould remover and algae removal tool. The fungicidal wash inhibits regrowth of mould, and cuts through stubborn dirt and residue on your patio
RESTORES NATURAL APPEARANCE: One Chem's powerful green mould remover revives your patio and path to give it a fresh new lease of life. This patio cleaning fluid is formulated to rid garden stones, paths and patios of unwanted stains
EASY TO USE: Dilute, disperse and rinse - it's as easy as that! This 5 Litres of solution will create 25 Litres of product. Dilute with 4 parts water to 1 part concentrate. Use as a mould remover spray with the aid of a pressure washer, or dilute in a watering can/spray bottle/bucket. Remove debris with a patio brush before applying and rise with a garden hose after use
OUTDOOR USE: This concentrate is a multifunctional solution - it's a mould cleaner, lichen remover for driveways, paving slab cleaner and stone cleaner all in one. This versatile patio cleaner fluid is ideal for general garden use - brilliant for getting rid of Lichen on tarmac and removing mould and algae on patio slabs and the garden path
ONE CHEM GARDEN RANGE: One Chem garden products, agricultural equipment & supplies are produced to the highest standard. Discover our range of path and patio cleaners, jet washers/pressure washers and black mould remover solutions to achieve top quality results.
ONE CHEM PRESSURE SPRAYER: Includes a high quality pressure sprayer for ease of use!

8.7

Excellent

We scanned 1395 products

We reviewed these offers relevant to the Patio Cleaner Fluid Spray And Leave within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like Jarder, Spear & Jackson, Patio Black Spot, Spear and Jackson, Spear Jackson, Pro-Kleen, One Chem, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best Patio Cleaner Fluid Spray And Leave in the market, we considered we took a deep dive into 6976 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Jarder Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Green Mould & Algae Killer (20L). We love many things about this product by Jarder. What sets it apart from the competition is Effortless and effective cleaning, Prevents mould regrowth, Safe for kids, pets.
The best value product for most shoppers and where user satisfaction is continuously the highest is Spear and Jackson - Spray and Leave Concentrate 2 x 5 Litres - Kills Mould, Algae & Lichen From All Exterior Surfaces by Spear & Jackson based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for Patio Cleaner Fluid Spray And Leave and the best cost-to-value ratio is Spear and Jackson - 2 x 5 Litres Concentrate - Path Patio and Decking Cleaner - Green Algae and Mould Remover - Pressure Washer Detergentat Spear and Jackson with a 20% discount.
Our list of the best Patio Cleaner Fluid Spray And Leave is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best Patio Cleaner Fluid Spray And Leave in The UK

Related Deals You Might Like for Patio Cleaner Fluid Spray And Leave

One Chem 5 Litre Ready To Use Spray and Leave with added Long Hose Trigger Spray - Fencing Patio Decking Driveway - Green Algae and Mould Killer

Coopers of Stortford - Spear and Jackson Spray and Leave Patio Cleaner - 5L Patio Cleaner with Trigger Spray, No Tiresome Scrubbing, Wiping or Washing Off Required

Patio Blast Cleaner Fluid – High-Efficacy Algae, Moss, & Mould Remover for Garden, Paths, Drives, & Decking – Long-Lasting Spray & Leave Formula, 5L

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)

Spear and Jackson - 5 Litres Concentrate - Path Patio and Decking Cleaner - Green Algae and Mould Remover - Pressure Washer Detergent

Patio Blast Cleaner Fluid – High-Efficacy Algae, Moss, & Mould Remover for Garden, Paths, Drives, & Decking – Long-Lasting Spray & Leave Formula, 5L

Dirtbusters Pro Patio Cleaner Algae & Mould Remover Concentrate (5L), Spray And Leave Moss Remover & Decking Cleaner Formula For Fence, Brick, Slab & All Types Of Outdoor Surfaces

5 Litres Jarder Spray & Leave Ready to Use Patio Cleaner - Removes Green Mould and Algae. No Mixing Required - Covers 40 Square Metres.

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

Jeyes 4 In 1 Patio & Decking Cleaner (2 Litre). Patio Cleaner Fluid for Paths, Drives, Decking & Fencing - Outdoor Disinfectant Liquid or Pressure Washer Detergent - Tackles Dirt, Algae & Stains

We scanned 1395 products

We concluded that: