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Best Moss Killer

A build up of moss is pretty much an inevitability in most gardens, and it can attach itself to walls, fences, patio slabs, planting contains, garden furniture and even find its way onto your roof tiles!

Not only does it make everything look a bit shabby, but it can also have a damaging effect and can increase the possibility of winter cracks occurring on tiles and slabs, ultimately costing you money in the long run.

Pathways, patios and driveways can also become dangerously slippery if moss is allowed to build up on them, and can cause potentially serious injuries to anybody using them.

That’s why it’s really important to keep on top of any moss build up growing anywhere within your garden. However, it’s certainly not the easiest thing to remove, and nobody wants to spend hours on end tackling the thick layers with a scraper. So just how do you deal with this annoying issue?

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We’re here to tell you that a good moss killer is definitely the way forward. Not only will it take all the hard work out of getting rid of the moss that currently exists, but it can also prevent it from growing back for several months at time, meaning you won’t have to worry about heading outside to fight the battle for a good while.

Finding the correct moss killer for your needs can be a little bit confusing though, and there are a few things you’ll want to ask yourself before making your purchase.

So, to make things easier, we’ve put together a collection of the best moss killers available, along with a useful buying guide on what to keep an eye out for before making your purchase.

So keep reading, and pretty soon you’ll be fighting the war against moss with ease!

If your moss problem has gotten out of control and you need a solution quickly, take a look at our top pick below.

In a hurry? This is our winner!

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Pro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Moss Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)
  • Item package may slightly vary
  • 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.

Best Moss Killer – Comparison Table

Best Moss Killer – Reviews

Our Winner

Pro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Moss Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)

Pro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Moss Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)
Our rating:

Getting rid of moss, green mould and algae has never been easier thanks to this amazing remover from Pro-Kleen, and it’s even safe to use on all hard outdoor surfaces including driveways, patios, decking, fences and roofs.

Super straightforward to use, you simply mix 1 litre of this moss remover with 4 litres of water and then apply to the affected area with a watering can or low pressure garden sprayer. Then, you just walk away. It really is that easy!

This intense cleaning fluid is non-acidic and doesn’t contain any bleach, and is also biodegradable, making it safe to use in areas frequented by children or pets, and also meaning that it won’t cause any harm to wildlife.

The results are apparent in only a few days, and last for months, and one 5 litre bottle gives you up to 25 litres of moss remover, making it great value for money. It also doesn’t have a shelf life so you can store it and reuse it for years to come without having to worry about it losing any of its effectiveness.

Pros
  • Quickly and effectively kills moss, green mould and algae
  • Safe to use on all hard outdoor surfaces including roofs, sheds, fencing, decking and more
  • Really easy to use with a ‘spray and walk away’ formula
  • Doesn’t contain any acidic ingredients or bleach and is biodegradable, making it safe to use around children, pets and wildlife
  • Super long lasting, with one bottle giving you 25 litres of cleaning fluid, and doesn’t have a shelf life so can be stored and reused year after year
Cons
  • On more densely covered areas it will effectively kill the moss, however you may need to scrape the dead moss off once it’s died rather than it falling off or melting away

Wet & Forget - Moss Mould Lichen & Algae Remover (5 Litre)

Wet & Forget - Moss Mould Lichen & Algae Remover (5 Litre)
Our rating:

Containing a unique combination of ingredients to tackle moss, mould, lichen and algae head on, this powerful moss remover from Wet & Forget will make short work of leaving any outdoor surface clean and clear.

Entirely biodegradable and containing no caustic or acidic ingredients, and also 100% bleach free, you can use it safely around your garden without any fear of it causing harm to wildlife or pets. This moss remover has also been specially formulated to leave a residue of ingredients behind to prevent recontamination.

It’s also a really easy formula to mix up and use. Simply mix 1 part of the moss removing fluid with 5 parts water, apply to the affected area and walk away. No scrubbing, no rinsing and no jet spraying required!

A little goes a long way with this amazing moss remover, with one bottle covering a 100-300 metre square area with ease, and there’s no shelf life so you can store it and use it over and over again as required for years to come.

Pros
  • Effectively removes moss, mould, lichen and algae on a variety of outdoor surfaces
  • The biodegradable formula contains is bleach free and contains no caustic or acidic ingredients, making it safe to use around children, pets and wildlife
  • Leaves behind a residue of ingredients that helps prevent re-contamination
  • Super easy to mix and use simply by mixing with water, applying to the affected area and walking away
  • No shelf life, so could last for years depending on the size of the a area you’re treating
Cons
  • Some customers found that when used in areas that were heavily affected by moss, a second application was needed to get the best results

Patio Magic! Concentrate: Ideal for Patios, Paths and Driveways (Kills Algae and Lichens), 2.5 Litres

Patio Magic! Concentrate: Ideal for Patios, Paths and Driveways (Kills Algae and Lichens), 2.5 Litres
Our rating:

Suitable for use both indoors and outdoors on surfaces, this green mould and algae killer from Patio Magic will effectively and quickly remove moss from patios, driveways, walls, plant containers and more!

Effectively killing moss within 2-4 days following application, this moss killer doesn’t only leave the affected area totally clear, but also prevents it from building up again for at least 6 months.

It can also be used as a pre-paint fungicidal wash, meaning that it can be applied to a wall, shed or fence a couple of days before painting, and will ensure that no moss or green mould builds up, saving you time and effort in the future and leaving your beautiful paintwork looking pristine.

Totally biodegradable, it’s safe to use around pets and won’t affect any wildlife that visits your garden, and one bottle treats up to 85m² giving you excellent value for money. It’s also really easy to apply, and simply requires mixing with water before applying to the area and leaving to dry.

Pros
  • Suitable for use on indoor and outdoor surfaces affected by moss, green mound and algae
  • Gets to work quickly, leaving your surfaces clear within 2-4 days and then keeps them clear for up to 9 months
  • Can also be used as a pre-paint fungicide wash
  • 100% biodegradable and safe to use around children, pets and wildlife
  • Easy to apply, and one bottle covers up to 85m²
Cons
  • On more heavily affected areas you may need to scrub the surfaces you’ve applied the killer to in order to remove all the mould if it hasn’t cleared completely by itself

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

Jarder Spray & Leave 4 x 5 Litre Concentrate Cleaner - Patio Fencing Decking - Moss, Green Mould, Algae & Lichen Killer (20L)
Our rating:

Perfect for use on roofing, guttering, garden furniture and a plethora of other outdoor surfaces, this spray and leave moss killer from Jarder is easy to apply and will give you results that will last for months.

Getting to work as soon as you’ve applied it to the affected area, you’ll see amazing results within 2-3 days and, once the moss has been removed, the invisible barrier left behind will keep your surfaces moss free for up to six months.

Easy to apply simply by mixing with water and pouring through a watering can or low-pressure garden sprayer, you can cover up to a massive 240m² area and get up to 30 litres of moss killer from just one bottle!

It’s biodegradable formula makes it safe to use in areas frequented by children, pets or wildlife, and it contains no harmful chemicals, acidic ingredients or bleach. It can even be used to remove moss, mould and algae from gravel, which is notoriously difficult to clean.

Pros
  • Can be used on a wide variety of outdoor surfaces affected by moss, mould and algae
  • Gives you amazing results in as little as 2-3 days, and leaves behind an invisible barrier that prevents future build up for up to 6 months
  • Easy to apply simply by mixing with water and distributing with watering can or low-pressure garden sprayer
  • Has a biodegradable, non-acidic, bleach free formula that is safe to use around children, pets and wildlife
  • One bottle covers up to 240m² and gives you up to 30 litres of moss killer
Cons
  • Although biodegradable and safe to use around pets and wildlife, it is dangerous to aquatic life, so should not be used in ponds or water features

Roxil 100 Green Mould, Algae & Lichen Killer - Restore the appearance of your Patio, Deck, Fence or Paving

Roxil 100 Green Mould, Algae & Lichen Killer - Restore the appearance of your Patio, Deck, Fence or Paving
Our rating:

Roxil 100 is a professional grade moss, green mould, mildew and algae killer that can be used across a range of outdoor surfaces including driveways, paths, patios and decking.

As the name suggests, it’s super easy to apply and simply requires mixing with water and spraying onto the affected areas using a garden sprayer. Within a few days, you’ll be left with clear surfaces that moss once covered, without having to scrub or jet wash.

Specially formulated to not only kill and remove existing moss, it also helps control build up in the next few months following application, keeping your garden surfaces clean and clear, and with one 5 litre bottle giving you 25 litre of solution, you’ll also be getting excellent value for money.

This moss killer does not contain any bleach or acidic ingredients, and is biodegradable, making it safe to use around children, pets and wildlife. One bottle will also provide you with up to 200m² of cover, so it’s ideal if you’re looking to treat a particularly large area.

Pros
  • A professional grade moss killer that also kills and removes green mould, mildew and algae
  • Can be used on variety of outdoor surfaces including decking, garden furniture and paths, and prevents re-contamination over the next few months following application
  • Easy to use and simply needs mixing with water and applying with a low pressure garden sprayer
  • Is biodegradable, contains no bleach or acidic ingredients, and is safe to use around children, pets and wildlife
  • One bottle gives you 200m² of coverage and 5 litres of solution
Cons
  • May require more than one application on heavily affected areas

Best Moss Killer – Buyer’s Guide

It’s really easy for moss to become a problem on many garden surfaces as well as on roof tiles, pathways and driveways. So getting on top of it before it becomes a bigger problem is really important.

But, when it comes to finding the correct moss killer for your individual needs, there are few things you need to give some thought to before making your purchase. We’ve outlined some of these below, and by giving each one some consideration, you’ll be certain to find the best moss killer possible.

What Does It Kill?

The first thing you need to be sure of is that the product you’re looking for actually kills moss. Some solutions are designed to remove moss, but don’t kill the cause of it, meaning that it will grow back quite quickly causing your untold frustration.

Therefore it’s really important that you make sure it actually kills the moss, and doesn’t simply remove it.

It’s worth looking to see what else the product you’re looking at kills as well as moss too. Some are designed to kill green mould, lichen and algae, all of which can cause a damaging build up across a variety of outdoor surfaces and will need killing and removal.

And, after all, it’s much better to be able to achieve multiple results from one product, rather than spending extra money on a range of products that are only designed to do one thing.

Surfaces

Another important thing to check before making your purchase is that the moss killer is suitable for using on the surface you need to remove it from.

Most moss killers are suitable to use on a variety of outdoor surfaces, however if you’re trying to kill and clear moss from a set of garden furniture made from a certain material and you’re unsure if it will damage it, it’s always best to check before applying.

Likewise, if you’re using a moss killer to eradicate moss from your roof tiles then it’s a good idea to make sure it will penetrate through the moss without having a damaging effect on the slate.

Time

A certain level of patience needs to be practiced when removing moss from your outdoor surfaces, but if you’re looking to clear it away as soon as possible, take a look to see how quickly the moss killer will get to work.

In most cases, it will only take 2-3 days to get all the way through the existing moss and penetrate through to the surface of the affected area where it will kill it completely. However, if you need it to act a bit quicker, it would be worth looking at getting a professional grade treatment that could potentially have the problem sorted within a day or two.

It’s also worth looking for a moss killer that won’t only stop the problem in its tracks, but will also prevent moss from growing back for several months at time. There are many solutions available that will leave behind a residue or an invisible barrier that will ensure moss cannot set in, and will keep the surfaces it’s been applied to clear for up to six months.

Coverage

Depending on the size of the affected area, you’ll want to make sure that you’ve got enough moss killer to get the job done. Running out halfway through the job isn’t only annoying, but will also mean you’ll have to find some extra time to complete the task.

Most moss killers are concentrated, and are designed to give you a good amount of coverage from a single bottle. In some cases you may be able to get as much as 240m² out of a single 5 litre bottle, which won’t only cover a really large area, but will also give you excellent value for money.

Take a look at the shelf life of the moss killer as well. Most don’t actually have one, which means that you can store it and use it again and again for many years, which is ideal if you have a recurring problem on a small patch. No shelf life is especially good if it’s been designed to prevent moss growing back for months after application, and you won’t have to worry about it having lost any potency or effectiveness when it comes to using it again.

Application

Removing moss doesn’t have to be hard work, and a lot of moss killers have been designed to take the hard work out of it all together. Before making your purchase, take some time to look at how easy it will be to apply it to the affected area.

The best option to go for is the ‘spray and walk away’ method, which simply involves you mixing up the solution according to the instructions, pouring into a watering can or a garden sprayer and applying it to the area. Once it’s hit the moss, it will get straight to work killing it off and removing it simultaneously, meaning that you don’t have to worry about any scrubbing or jet washing afterwards.

Toxicity

Finally, if you’re concerned about using a moss killer due to the chemical content it might contain, it’s a good idea to take a look at the ingredients and check it’s toxicity levels.

Many moss killers are designed to be biodegradable, which means they don’t contain any caustic, acidic on bleach based ingredients, and are safe to use in areas that are visited by children or pets once it has dried.

A biodegradable moss killer will also be safe to use in areas that are frequented by wildlife, however special attention should be paid as to whether or not it is toxic to aquatic animals. If so, do not use it around any ponds, fountains or bird baths.

Frequently Asked Questions

How do I remove moss?

The easiest way to remove moss from various outdoor surfaces is with an efficient moss killer. This will not only remove the moss, but will kill it completely, and in many cases can prevent it from growing back all together.

Is moss killer safe to use around children and pets?

Many moss killers have been specially formulated to use in outdoor areas that are visited by children and pets, and do not contain any bleach, acidic or caustic chemicals as part of their solution. However, it is highly recommended that pets and children are kept away from the area you’ve applied moss killer to until it has completely dried.

Does moss cause damage?

A build up of moss can cause winter cracks in roof tiles, patio slabs and walls, which can lead to costly repairs. It can also be potentially hazardous if allowed to build up on paths and driveways as it becomes very slippery, especially in wet conditions.

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