Top 10 Best Patio Cleaner Chemical - Buyer's Guide

So you wanted to clean patio and other hard surfaces. That's why you're here in search of the best patio cleaner chemical.

After some time, the patio will get covered with algae, stains, and possibly mould. You need to clean it to save yourself from the worry of it being dirtier. That's why we're here presenting you the review of the best patio cleaner chemical.



Thankfully you don't have to struggle to clean algae, stains, and mould from the patio if you've the best patio cleaner. A good patio cleaner will make your patio just like new. Some of the patio cleaners will also have the preventative formula that'll stop these algae and stains from growing for a long time

Please take note that some of these cleaner chemicals might need a pressure washer to work perfectly. If you don't have one, then you should buy one, or you can buy a chemical that doesn't require any pressure cleaner. 

So without any further delay, let's get started with the Top 10 best patio cleaner chemical

Best Patio Cleaner Chemical

1. ULTIMA-PLUS XP Patio Cleaner

ULTIMA-PLUS XP Patio Cleaner

First, the best patio cleaner chemical from our list is the ULTIMA-PLUS XP Patio Cleaner. This patio cleaner is one of the best and powerful patio cleaner available in the market. 

The bottle contains total 5L chemical that is enough to make a minimum of 50L and a maximum of 95L of solution. This 5L chemical is more than enough to clean the 400m² area. It is a biodegradable, no bleach, no acid chemical to make sure it is 100% safe.

Its has a super-concentrated formula which means you just need to add 1L of solution into the 9L water. It is not only suitable for just patio but also suitable for other hard surfaces like decks, fences, paths, driveways, roofs, sheds, greenhouses, etc.

Key features

  • 5L chemical bottle
  • Enough to make a 50L-95L solution
  • 100% safe
  • biodegradable 
  • For almost every hard surface

2. Pro-Kleen Patio Cleaner

Pro-Kleen Patio Cleaner

Our next pick for best patio cleaner chemical gel is the Pro-Kleen Patio Cleaner. It is a powerful chemical for outdoors and indoors to remove any kind of algae and stains. This chemical is best for surfaces like a patio, deck, fence, outdoor furniture, etc.

The use of it is very simple, just simply spray and work will be almost done. By using it, you'll be able to revive the shine and beauty of your patio. The bottle contains 5 litres of total fluid that can make 25 litres solution. 

The results will be shown in only a couple of days, and its effect will last for a long time. You can use it directly, so you won't need any pressure washer. It is a non-acidic, non-caustic, non-bleach, non-shelf etc. to make sure its 100% safety.  

Key features

  • 5L chemical bottle
  • Enough to make 25L solution
  • 100% safe
  • Useful for a lot of surfaces
  • No need for any pressure washer

3. Patio Magic

Patio Magic

Our next best option cleaner chemical is the Patio Magic that is one of the cheapest patio cleaner chemical. If you don't have enough bucks to spend, then you can consider this one because, with less price, it will do your work.This is best option if you are looking for best patio cleaner chemical liquid.

You can use Patio Magic on an outdoor hard surface just like the rest of others. Yes! you won't need any acids, bleach or scrubbing and pressure washing while working with this one. 

It can give you its best in only 2 to 4 days, and its protection can last between 6-9 months after the first treatment. It is biodegradable and antibacterial also. Patio Magic

Key features

  • Cheap
  • Protection can last between 6-9 months 
  • No need of any acids, bleach or scrubbing
  • No need for pressure washing

4. Wet & Forget Patio Cleaner

Wet & Forget Patio Cleaner

Coming up next, we have the Wet & Forget Patio Cleaner. It is not as cheap as the previous one but is more effective on the patio and other hard surfaces. It is biodegradable, PH8, non-caustic, non-acidic, no bleach etc. cleaner. 

The use of this chemical is too easy, you just have to mix Wet & Forget's 1 part into the 5 parts of water. It will make the solution having ratio 1:5, and then spray on your patio with any sprayer. After some days your patio will look like brand new.

The bottle contains 5L of cleaner chemical, and this 5L can make 30L of the total solution. It can cover 100-300m2 area. The area that can be cleaned from this best patio cleaner chemical liquid depends upon the porosity of the surface.

Key features

  • Easy to use
  • 1:5 ratio
  • Can cover 100-300m2
  • Biodegradable, PH8, non-caustic, non-acidic, contains no bleach etc.

5. Smartseal Patio Clean Xtreme

Smartseal Patio Clean Xtreme

Next, the powerful and effective patio cleaner from our list is the Smartseal Patio Clean Xtreme. This one of the best patio cleaner chemical is best for removing black spots from block paving, concrete or natural stone. It will work perfectly on these surfaces.

It will inhibit the future growth of algae, stains, and mould on your patio because it has four powerful active ingredients including a biocide.

You don't need to have a pressure washer to wash the patio, but I would recommend you to use a pressure washer because there are high chances that you'll get the best performance. The 5 litres of the product will clean approximately 40m².

Key features

  • Can clean approximately 40m²
  • Inhibit the future growth of algae, stains, and mould
  • Have four powerful active ingredients
  • best for removing black spots from hard surfaces

6. Jarder Patio Cleaner

Jarder Patio Cleaner

Moving on to the next position, we have the Jarder Patio Cleaner. This patio cleaner chemical is easy to use, and you'll get the best results in no efforts. You just have to spray it on the patio, and all green mould moss and algae will be gone without using scrubbing or pressure washer.

The one bottle has a 5-litre chemical in it, this 5L chemical can make 30L solution. This 30L solution is enough for cleaning a 240m² area. It is best for almost every hard surface that is affected by moss mould or algae.

The effect will be shown in only 2-3 days, and your patio will remain just like new for months. It will also prevent algae, moulds etc. to grow for up to 6 months. Furthermore, it is 100% safe to use, and the results are guaranteed after using it. 

Key features

  • Can prevent algae, moulds etc. to grow for up to 6 months
  • Enough for cleaning a 240m²
  • 5L chemical can make 30L solution
  • Easy to use
  • No need for scrubbing or pressure washer

7. Algon Organic Path and Patio Cleaner

Algon Organic Path and Patio Cleaner

This patio cleaner is for those who have an extra tight budget. Don't expect from it to give you extraordinary performance with this price range. Although it will give you an acceptable performance to satisfy its price. In short,best patio cleaner chemical smell is also not bad.

Algon Organic Path and Patio Cleaner is an organic cleaner that is safe for children, wildlife and pets. You can use it without any worrying about damaging wildlife or harming your pets and kids. 

It is a small-sized 2.5L bottle that can clean approximately 60m² with the use of a garden sprayer. The results will be shown to you in only a few days. These results will last for a year. It is a safe and environmentally friendly product with fantastic results

Key features

  • Safe for children, wildlife and pets
  • Cheap
  • Environmentally friendly
  • Can clean approximately 60m²

8. Everbuild Patio Wizard

Everbuild Patio Wizard

Our next best patio cleaner chemical from the list is the non-other that Everbuild Patio Wizard. It is a fast-acting patio cleaner that will clean your patio in no time. Like the rest of the other patio cleaner chemicals, it also doesn't require any kind of washing or scrubbing after applying. 

It has the powerful fast-acting formula that will make your work quick. You just have to apply this cleaner chemical on surfaces like driveways, block paving, fencing, sheds, greenhouses etc. and leave it there. After some days you will get a new patio. 

You can dilute this 5L chemical into the water and can make a 50L solution. It will kill Funghi, algae, moulds etc. and will also prevent them for a long time from growing.

Key features

  • Doesn't need washing or scrubbing after applying
  • Has the powerful fast-acting formula
  • Can make a 50L solution
  • Will kill Funghi, algae, moulds etc.

9. Dirtbusters Spray Today Gone Tomorrow

Dirtbusters Spray Today Gone Tomorrow

Coming up next, we have the Dirtbusters Spray Today Gone Tomorrow. It is powered with an extra-strong formula that will give you the extra strong performance. You can remove mould, mildew, algae moss etc. from surfaces like a deck, fence, sheds, patio etc.

It is a multipurpose cleaner chemical that will help in cleaning most of the hard surfaces in your home or outside of your home. You can mix 1 part of a concentrated chemical into the 4 parts water and can apply by garden sprayer.

It is a professional product with great effectiveness. There is no bleach or acid in it, and it is totally biodegradable. That's why it is safe for children and pets. 

Key features

  • Extra-strong formula
  • Extra strong performance
  • Multipurpose cleaner
  • Have a ratio of 1:4
  • Professional product with effectiveness

10. KARCHER Genuine Patio & Deck Pressure Washer Cleaner

KARCHER Genuine Patio & Deck Pressure Washer Cleaner

Last but not least, our last best patio cleaner chemical is the KARCHER Genuine Patio & Deck Pressure Washer Cleaner. It comes with two 500ml or 0.5L bottles and each bottle can make 5L detergent. 

It is a low-foam cleaner for all water-resistant wood and stone surfaces. It is effective in removing soiling such as moss, algae, mud and dirt from patio, decks, walls, fences and garden furniture.

This is the first and last one from our list that will need a pressure washer to work properly. You should buy any KARCHER pressure washer before using it for best performance. 

Key features

  • 2 x 500ml bottles
  • Can make 5L detergent
  • Low-foam cleaner
  • Small-sized

How to Properly Clean A Patio or Driveway?

Most of the patio cleaners that we mentioned above are spray and leave cleaner which means you just have to apply them, and after a few days, your patio will be cleaned. The result is not always the same. The result depends upon the surface. The duration of your patio remaining clean also depends upon the different factors like weather etc. 

You might have a question that how to properly clean a patio with patio cleaner. Some of you might already know about it, but some of you may not have proper knowledge about this. 

The effective ways to clean the patio are the following:

  • If the product is not giving a good performance, then consider it reapplying.
  • Most of the products in the list don't require any scrubbing, but you can scrub the surface with a wire brush for better performance. 
  • If you're using a pressure washer and is unable to see any improvement after a few days, then you should consider increasing the power of the pressure washer. Sometimes when you clean patio after a long time, the surface become battle-hardened.


This is the list for best patio cleaner chemicals. In this list, we've shown you the best patio cleaners available in the market. Since this list is not a comparison list, so this is not a ranking list either. There are the best products that you can buy according to your need. The best patio cleaner chemical that we mentioned above are:

I hope you find our list informative and guiding. If you find any kind of mistake in the list, please let us know in the comment section. 

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