Last updated: 16/10/2022

Welcome to our large mould spray test 2022. Here we present all the mould sprays that we have tested in detail. We have compiled detailed background information and added a summary of customer reviews on the web.

We would like to make your purchase decision easier and help you find the best mould spray for you. You will also find answers to frequently asked questions in our guide. If available, we also offer interesting test videos. Furthermore, you will also find some important information on this page that you should definitely pay attention to if you want to buy a mould spray.


  • Mould sprays are mainly used to remove the superficial appearances of mould. If you want to keep mould away in the long term, you should definitely also look into the causes and find out why the mould has taken root.
  • To remove mould optimally, it is important to choose a mould spray that is suitable for the desired surface. This can vary depending on the material.
  • In addition to the substrate, it is also essential to know what type of mould is occurring. It doesn’t hurt to seek advice from a professional in addition to researching on the internet.

The Best Mould Spray: Our Choices

Guide: Questions you should deal with before buying a mould spray

Who is a mould spray suitable for?

A mould spray is suitable for anyone who wants to get rid of mould themselves. Mould sprays combat stubborn mould – be it on the wall of a room, in the shower, on upholstery or on window frames.

Every now and then mould thrives without you noticing it. A musty and musty smell can often be the first sign of mould infestation.

The appearance of woodlice or silverfish can also be an indication of mould. Water drops on the window panes in winter also indicate that there is moist air in the flat, which can lead to mould in the long term. The triggers of misted ceilings and walls include above all cold bridges on the masonry and too little ventilation in the wintertime.

Offenes Fenster

If you always ventilate well, you can prevent mould. (Image source: / Luisy Guimaraes)

Once mould has become apparent in the home, you should not wait long to avoid endangering your health. Airing the entire flat several times a day helps to prevent mould. Proper heating and regular removal of humid air to the outside is also necessary for healthy living.

It is important to know that mould sprays do not fight the cause, but only eliminate the visible part. If you find mould in your home, you should not only remove the mould, but also look for the cause.

On which materials/surfaces can I use a mould spray?

Mould can grow on all kinds of materials. Often you don’t even see it – hidden under the carpet or behind a cupboard – it’s up to no good. Mould sprays are suitable for many surfaces.

It is important to get good advice when buying mould spray. Because it depends not only on the surface, but also on the type of mould.

So analyse the mould carefully and always read on the package insert of the spray for which materials it is best suited.

Walls and ceilings

Mould is most often found on walls and ceilings. Mould spray can be applied well here. Mould spray also fights mould on wallpaper, paint, plaster, concrete, brickwork, wood and cement joints. Read the package insert of the respective mould spray to find out which surface it is suitable for.


Mould infestation in clothing or on upholstered furniture, for example, is annoying. Unpleasant mould stains are also not uncommon on beach chairs in the garden. Depending on the intensity, a detergent can be enough to remove mould.

If you merely smell the mould, you can wash the garment three or four times. For larger stains, there are certain detergent additives in drugstores. White fabrics can be soaked in chlorine before washing to remove the mould.

Chlorine should not be used on coloured fabrics as it has a bleaching effect. Mould on textiles can also be controlled with a mould spray. The package of the spray will indicate which surface it can be used on.


If you discover mould on your mattress, you should always get rid of it and get a new mattress. Removing mould from a mattress is very time-consuming. The mattress must be soaked in a chlorine solution or bleach before it is washed. Afterwards, it should be dried completely in the sun, otherwise it won’t be long before mould reappears.

Coffee maker

Due to the humidity and temperature, mould also forms in the coffee maker. When you buy a mould spray for your coffee maker, make sure it is suitable for use on plastic. After you have sprayed all the individual parts, clean them properly under hot water.


Mould does not stop at houseplants either. Poor care, overwatering or too little sunlight allows mould to thrive on plants. You can scrape off the mould and repot the soil. Let the soil dry well before watering the next time.

You can add natural antimycotic (cinnamon, baking soda, apple cider vinegar) to the plant to protect it from further mould infestation. You can also buy a fungicide at the garden shop to spray the plant. You should then put the plant in the right environment to prevent it from getting mould again.


Plants can also be attacked by mould. (Image source: unsplash / Sarah Dorweiler)

How do mould sprays work?

Mould sprays come in different types with the particular ingredients that is best suited for the type of mould and substrate. Mould sprays often contain chlorine. They are very effective, but also bleach the substrate.

They are harmful to the environment and to humans. Other mould sprays fight mould with alcohol and lime. This is made for mineral surfaces. Another ingredient against mould are quaternary ammonium compounds. These are recommended for sensitive materials.

What does a mould spray cost?

If you remove mould yourself with a mould spray instead of calling a professional, you will definitely choose the cheaper option. If the mould is extensive and severe, the opinion of a professional should be sought. There is not much of a price range between sprays. A cheap mould spray costs 5 to 10 euros. In the higher price segment, mould sprays can be found for up to 20 euros.

What alternatives are there to a mould spray?

There are many ways to remove mould. You can call a professional, or – provided the mould infestation is slight – take matters into your own hands. In addition to mould spray, there are numerous alternatives, such as anti-mould paint or home remedies against mould.

Opinions differ on home remedies against mould. From an expert’s point of view, not all home remedies have proven successful. It is important to research the cause of the mould before using home remedies. There are several home remedies that are said to be effective against mould. We present three of the home remedies below.

  • Vinegar: Acetic acid is considered a popular remedy for mould. It is cheap and harmless. However, it is not useful against all types of mould. It can even create a suitable breeding ground for more mould. That is why vinegar is often not recommended.
  • Alcohol: Alcohol is suitable for short-term mould control. The moisture can cause mould to form again. Methylated spirits and an alcohol content of 70% or more are usually recommended.
  • Sodium bicarbonate: Sodium bicarbonate is popular for mould control because of three properties. It can be used like a scouring agent without affecting the surface. It is also said to have an antibacterial effect. Last but not least, baking soda brightens the surface. Sodium bicarbonate is inexpensive and does not harm health. Sodium bicarbonate is useful for many household cleaning tasks.
Home remedy Effect
Vinegar Can form breeding ground for mould: unsuitable
Alcohol Suitable for short-term mould control
Baking soda Abrasive, antibacterial, whitening effect

Decision: What types of mould sprays are there and which one is right for you?

What is a mould spray with alcohol and lime and what are the advantages and disadvantages ?

There are anti-mould sprays that fight mould infestation with alcohol and lime. This type of mould spray is best suited for mineral surfaces. The alcohol ensures that the mould is destroyed. The lime, on the other hand, increases the pH value of the material and this means that the mould can no longer take hold.

They are considered harmless from a biological point of view because no chemicals are used. The alcohol evaporates and lime is a biological substance. One disadvantage of this anti-mould spray is that it is highly flammable due to the alcohol. So there should be no naked flames in the vicinity!

  • Suitable for mineral surfaces
  • Biologically harmless
  • Flammable effect due to alcohol

What is a mould spray with chlorine and what are the advantages and disadvantages ?

Mould sprays with chlorine are harmful to the environment and health. There are more and more alternatives that fight mould without chlorine. One advantage of a mould spray containing chlorine is its efficiency. But chlorine causes the substrate to bleach.

Mould sprays with chlorine are well suited for plaster, concrete, tiles and insensitive plastics. For wood or textiles, however, a mould spray without chlorine should be used. The smell of chlorine is persistent. Although manufacturers promise that the smell will dissipate after a short time, it often lasts longer.

Nobody likes their home to smell like a swimming pool. If anti-mould sprays with chlorine are used, the rooms must therefore be aired very well and frequently afterwards. If you use a respiratory and eye protection when applying chlorine-containing mould spray, you are on the safe side.

  • High efficiency
  • Suitable for plaster, concrete, tiles, etc.
  • Strong odour
  • Harmful to health and environment

What is a mould spray with ammonium compounds and what are the advantages and disadvantages ?

Mould sprays with quaternary ammonium compounds are suitable for very sensitive materials. These are organic ammonium compounds which are also used for the treatment of water. Cleaners with ammonium compounds, for example, also clean mould that has eaten its way deep into an upholstery. They do not leave any residue on the material. However, they are poorly biodegradable and harm the environment.

  • Suitable for sensitive materials
  • Leave no residue
  • Poorly biodegradable and therefore harmful to the environment

Buying criteria: You can use these factors to compare and evaluate mould sprays

Here we would like to show you which aspects you can use to decide between the variety of possible mould sprays:

  • Material
  • Mould type
  • Ingredients
  • Application
  • Reaction time

In the following paragraphs, we will explain what the individual criteria are.


Before using a mould spray, it is essential to make sure that the spray is suitable for the desired surface. If this step is skipped, the spray can damage the material and leave traces. So be sure to check the package insert to see if the ingredients are suitable for your material of choice. Anti-mould sprays are often suitable for different materials.

Mould type

However, not only the substrate, but also the type of mould is decisive when buying a mould remover. Even if it is unpleasant, it is important to take a close look at the mould. After researching on the internet, it is also advisable to go to a shop for advice.

Depending on where the mould has spread and in what form, it will be combated with a different agent. This way you can be sure that your environment will remain mould-free in the long term.


Every mould remover fights mould with different agents. Before buying a mould spray, you can therefore orientate yourself on the ingredients of the mould spray.

A rough distinction is made between mould sprays with alcohol and lime, chlorine and ammonium compounds.

You can find out exactly how they work in the decision section by scrolling up.


Another criterion is the application of an anti-mould spray. Care should be taken when using mould remover. Depending on the product, there are different approaches to removing mould. You will find all useful information in the instructions for use. If you scroll down to the Trivia section, you will find a description of how to normally use a mould spray and what precautions to take.

Application time

Mould sprays differ in their application mainly according to the recommended exposure time. There are mould sprays that make the mould disappear after a short time. However, this does not mean that the mould will not reappear.

Removing mould is a serious matter that should not be underestimated. In the case of light mould infestations, however, products with a short contact time can also remove the mould if used correctly.

Facts worth knowing about mould spray

How do you apply a mould removal product with a mould spray?

Care should be taken when using mould remover. Before you take on mould, you should take a few precautions. It is important that no traces of mould are left in the air and then inhaled. First, the surface should be moistened. To protect yourself and not endanger your health, you should wear the following when removing mould:

  • Safety goggles
  • Gloves
  • Mouth protection
  • Suitable work clothes

Schutzmassnahmen Symbole

When removing mould, it is important to take some precautions and use the right utensils. (Image source: / DavidRockDesign)

Dispose of these utensils after removing mould. Harmful fumes can escape when spraying. Postpone a smoke break until later – because some ingredients are flammable. It is important to read and follow the instructions for use. Depending on the product, a different exposure time applies. However, a similar pattern is often given:

  1. Spray a cloth with the spray and moisten the desired area
  2. Spray onto the surface at a distance of about 20 cm
  3. Wash off the product after the specified exposure time
  4. Ventilate thoroughly and for a long time

How toxic is a mould spray?

Many people wonder whether mould, as well as a mould spray, is a health hazard. Different types of mould can have different effects on the health of a human and an animal. Symptoms of a mould reaction can be very non-specific: headache, fatigue, lack of concentration, joint pain, gastrointestinal complaints, etc.

Allergic reactions can also be observed such as asthma, coughing or sneezing fits. It is difficult to establish a link between these symptoms and mould, as the symptoms could also be caused by other pathogens and are common. A family doctor can give more detailed information if there is any suspicion.

To prevent toxic substances from entering the environment and the respiratory tract during mould removal, it is important to follow the instructions given. Particular caution is required when handling mould sprays containing chlorine. Anti-mould sprays containing chlorine are harmful to humans and the environment.

What are the most common causes of mould?

It is important not only to remove mould superficially, but to find out the cause. Moisture is an important factor in mould control. After all, mould loves damp walls more than anything else. There are various triggers that cause moisture to move into the walls: Floods, defective dishwashers, burst pipes, incorrect ventilation, incorrect insulation.

So to stop mould from getting into your home, it’s essential to ventilate properly. This is especially important in the kitchen and bathroom, as it often gets damp there. If there is no window, then the damp air can be removed by an open door, airing or by drying the wet shower walls.

It is recommended not to dry clothes indoors. This also creates high humidity and can lead to mould. The room temperature should always be balanced so that humidity does not build up. The following table shows which temperature and humidity is optimal.

Living rooms temperature humidity
Bedroom 16 – 18 °C 40-45%
Bathroom 20-23 °C 50-70 %
Kitchen 18 – 20 °C 50-60 %

Picture: / Popov A.