Best Patio Cleaners in 2021

best patio cleaners

Last Updated on November 1, 2021

Our editors independently research the best products online to produce this list. We may receive commission on purchases made from the links below but this will never affect our product choices.

Our Favourites

  1. Wet & Forget – Moss Mould Lichen & Algae Remover (Editor’s Choice)
  2. Spray activ8-5 L Patio Decking Drive Cleaner (Luxury Choice)
  3. Floorseal Patio Black Spot Remover Plus (Best Value)

Damp weather is approaching and your patio’s state is about to get worse. Moist, wet, and humid conditions promote unwanted plant growth and algae. Plus, you encounter moss, mold, mildew growing on slabs and dirt everywhere.

You need not worry about this situation as long as you pick the best patio cleaner. A patio or outdoor cleaner is usually applied via pressure washer or sprayers to remove all unnecessary dirt. Give your garden a new, clean, tidy look and keep patio algae-free for about six months.  To help you choose the right cleaner for your patio, we’ve compiled the 10 best patio cleaners.

Best Patio Cleaner Reviews – Top 10 Picks

Spray activ8-5 L Patio Decking Drive Cleaner

Losing the battle against stubborn green and black growth around the patio and outside of the home? Finally, there’s an easy, simple and easy on the pocket cleaning solution for you all, Spray activ8. This ready-to-use fast-acting formula especially contains 15% CI active that works immediately. Additionally, there is no scrubbing or rinsing involved. Therefore, simply spray on the surface and leave to dry.

Furthermore, the Spray activ8 is specially designed to kill algae, mold, weed, and moss from outdoor surfaces that include patio, roofs, fences, bricks, and garden furniture safely. It is a unique cleaner that offers high performance at a very economical level and still being so gentle on the surface. Furthermore, this effective formula is non-toxic, biodegradable and, safe on fabric, and around pets and plants. With many uses around the home, boat, factory, this product keep moss, mildew, lichen, mold at bay by restoring the natural color.

On the whole, it will leave the surface clean, sanitized, and reduces algae and mold growth. For more garden improvement touch ups, check out our handy guides on masonry paint and fence paints.

Key Features:

  • Biological formula
  • Fast action
  • 5L concentrate
  • Brings back the natural appearance

Patio Magic Patio Cleaner

If winter has left behind grungy stained decks, walls and lawn furniture, clean them all with the economical yet powerful cleaner. Patio Magic is not only an effective cleaner but concentrated disinfectant for the removal and prevention of algae, mold, moss, mold, and mildew on outdoor hard surfaces. Furthermore, it is also suitable for indoor use and works as a pre-paint fungal wash. This 2-in-1 formula contains no acids or bleaches and is biodegradable.

So easy to use; dilute it and spray it on to get rid of dirt, grime, algae stains, and green mold. It is fast-acting and gives instant results. A bonus; it also controls the growth of mold, lichen, and algae on the patio for about 6 months. Patio Magic is safe to use around the lawn, landscapes, and delicate plants. 

If you are looking for a solution that cleans quickly, is easy-to-use and eliminates pressure washing or scrubbing, then you want Patio Magic Patio Cleaner. To get the best and safe results, follow the directions on the label.

Key Features:

  • 5L size with 1:4 dilution
  • No acids or bleach
  • Biodegradable formula
  • Antibacterial

Midchem Speciality 1 X 5 L Mould Mildew Algae & Moss Killer

Looking to kill moss, algae, fungus, mildew on your outdoor surfaces? This spray and walk away from cleaning solution by Midchem Speciality is a quick-release formula that shows in just 2 days. It does all the hard for you; no more algae moss and mildew. Moreover, it kills all growth thoroughly and inhibits growth as the treatment lasts for 6 months. Application is easy too; just dilute the 5L solution to 25L and spray.

As the cleaning formula is free from acids, bleaches or harmful chemicals and has a neutral pH, it is safe to use around plants and pets. Likewise, it is suitable for usage on patios, fences, decking, block paving, roofs, etc. that have different surfaces.

Key Features:

  • 5L concentrate makes 25L
  • Safe for plants and surroundings
  • Suitable for all external surfaces
  • Non-toxic and bleach-free formula

Spear and Jackson 5L Path and Patio Cleaner Concentrate

People have to get rid of moss, lichen, and mold from their patios every year. So, why not look for a solution that has a 2-in-1 function; not only removes algae and moss but prevents their re-growth as well. Therefore, this long-lasting solution is offered by Spear and Jackson 5L Path and Patio Cleaner Concentrate. Also, the powerful outdoor formula comes with a free pump sprayer for easy application and hard-to-reach areas. With the addition of safety goggles, this is a complete outdoor cleaning package that has it all.

This revolutionary patio cleaning product is simple to apply and offers quick removal. Plus, your patio surface is left with a layered protective from the growth of moss. Spray and leave! When it comes to damage, this formula is safe to use on any surface. The natural appearance that is lost due to algae and mold stains is restored with this effective cleaner. Besides, it requires no scrubbing or washing off and successfully eradicates all traces of mold from your garden in no time.

Key Features:

  • 5L tub size
  • Additional pump sprayer and glasses
  • Inhibits moss and mold regrowth
  • Simple to apply

Algon Organic Path, Patio & Decking Cleaner

Looking for an organic way to clean your patio or garden area without damaging plants and furniture? Algon organic path, patio and decking cleaner has multipurpose uses and helps in restoration of the outdoor surface to natural color. In addition to this, this cleaner requires no rinsing, washing or scrubbing. Say bye to moss, lichens, mold, algae, and stains with non-toxic, all-natural cleaner. 

This easy-to-apply formula is safe to use all types of surfaces that include stone, wood, brick, UPVC, tarmac, walls, fences and even garden furniture. Plus, the Algon clean treatment keeps you safe from moss and algae for 1 year. It is available in 2.5, 10, and 20 L container sizes whereas 2.5L covers up to 60m2.

Algon is a simple, safe, and effective way to get a brighter and cleaner garden and patio. So, it’s time to join the organic cleaning revolution and clean your patio without harming the surroundings. For more handy garden guides check out our best shed insulation picks.

Key Features:

  • Organic formula
  • Safe for pets and wildlife
  • Refurbish the surface’s original color
  • Harmless around fish ponds and plants

Stonecare4u – Patio Perfect – Non-Acid Patio Cleaner

Transform your grimy, slimy old patio to a good as new look with this Patio perfect cleaner.  The Stonecare4u non-acid cleaner is one of the most effective and powerful outdoor cleaners on the market. It eliminates grime, dirt, and algae without causing any damage to the stone even if your patio has not been cleaned for years. Therefore, Patio perfect is a suitable choice for almost all masonry surfaces and outdoor stones like concrete, natural stone, and flagstones.

As it doesn’t require any sort of scrubbing, all you need to do is spray the diluted solution on the affected patio area. For best coverage and application, it is recommended to use a pump sprayer and leave it for 2 hours to remove lichen, dark spots, algae, and dirt.

In addition, all the instructions for proper and safe usage are given on the label. This 5-liter bottle contains an acid-free alkaline-based formula that keeps stone surfaces totally safe, unlike other acid cleaners. Overall, Patio Perfect is an outstanding cleaner that gives instant results on heavy contamination.

Key Features:

  • Size of 5 and 25 liters available
  • Made in the UK
  • Effective and safe outdoor cleaner formula
  • Acid-free solution

Wet & Forget – Moss Mould Lichen & Algae Remover

To get rid of mold and mildew on the outside of your home and patio doesn’t have to be a difficult job with acidic caustic cleaners and expensive equipment. Thanks to Wet & Forget – Moss Mould Lichen & Algae Remover! It’s a gentle thorough cleaner that easily eliminates moss, mildew, lichen, algae from almost any outdoor surfaces.  Plus, it’s simple and easy because all you have to do is spray on the surface and forget it, just as the name suggests. Besides, the sprayed solution works with wind and rain over time to clean the surface.

The good news is that there is no rinsing, scrubbing or washing involved. Talking about safety and damage, this powerful cleaner is suitable for all outdoor applications. In other words, the solution is 100% safe because it contains no bleach, caustic or acids. Hence, no more irritating fumes!

Key Features:

  • 5 liters make 30-liter concentrate
  • Biodegradable
  • No scrubbing required
  • No harmful acids

Smartseal Patio Clean Xtreme

In the UK’s damp climate, most outdoor hard surfaces are vulnerable to the spread of stubborn algae, black spots, moss, grime, and lichens. Cleaning dirty patios or driveways is not only difficult but time-consuming and expensive. Hence, Smartseal Patio Clean Xtreme is the right choice for you. Being highly effective, it is also very easy to use with most external surfaces transformed in less than 60 minutes often without the need for intensive pressure washing. Moreover, the Patio clean will not damage the surface to which it is applied. 

Significantly, this Xtreme clean solution is formulated with 4 powerful active ingredients that improve performance. In addition to this, it contains a potent long-lasting biocide to slow down the re-growth and contamination of the patio surface. Application is very simple; dilute the 5-liter formula at a ratio of 1:1 and apply generously with sprayer or watering can.

An important point to remember is that the product becomes inactive when dry so keep the surface damp for about 1 hour of application. On the whole, it’s a high-performance cleaner that reduces the need for future maintenance.

Key Features:

  • 5 liter treats 40 m² area
  • 4 active ingredients; biocide
  • Avoids pressure washing
  • Strong formula

Floorseal Patio Black Spot Remover Plus

Floorseal patio cleaner is a professional-grade powerful formula that specifically targets the black spots from lichens, mold, and algae from patio pavers and slabs. This cleaner works on almost every outdoor surface type where ordinary cleaners fail to remove spots. Floorseal Patio black spot remover plus works effectively to kill lichen and eliminate black spots from Indian sandstone, concrete, bricks, tiles, Yorkshire sandstone flags. It is applied neat using a low-pressure sprayer, watering can or straight from the 5-liter container. Plus, the cleaner also comes in 25 liters can.

Using the high-strength formula, Floorseal promises to offers X5 cleaning performance than other outdoor cleaners. Furthermore, it uses a unique solution to kill and prevent the growth of lichens. On the other hand, you should enforce certain safety measures when using the cleaner as it contains toxic materials.

Key Features:

  • Available in 5 and 25L container
  • High-strength formula
  • Easy application
  • 5 times better performance

Simple Green Oxy Solve

This strong cleaner from Simple Green uses the high-performance peroxide as an active ingredient that offers professional-grade results. Oxy solve doesn’t use any toxic, hazardous or corrosive chemicals. Besides, using a pressure washer removes grease, oil, grime and black spots from concrete or any other patio surface and driveways. Moreover, the solution cuts through build-up grime, algae or molds and renews the look of surface that includes brick, asphalt, and flagstone.

In addition to cleaning, Oxy solves also eliminates discoloration from mold and mildew. The surface is refreshed with a biodegradable non-acidic and non-toxic formula that makes it safe for landscapes, waterways, pets, and plants. Moving on to safety, this patio cleaner is a certified EPA safer choice product. Overall, it’s an ideal choice for cleaning various outdoor structures and masonry. If you’re looking to mow the lawn as well, check out our great guides on robotic lawnmowers and standard lawn mowers.

Key Features:

  • Environment-friendly
  • Harmful formula
  • The active ingredient is peroxide 
  • EPA approved

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