Updated:28 September 2026
Rank 1-23 of the best Mould Sprays
Our recommendation Price Customer rating
1. Comparison winner
Dryzone Mould Remover and Prevention Kit - 3 x 450ml
Dryzone Mould Remover and Prevention Kit - 3 x 450ml
Available immediately
free shipping
  • fast acting removal of mould and mildew from multiple household surfaces in less than three minutes
  • safe for use on walls, ceilings, floors and other affected areas
  • treat surfaces in under 30 minutes with minimal effort; includes a microfibre cloth for effective cleaning
Our rating
9,8
very good
2. Best value
Dettol Mould Remover 750ml Multipack
Dettol Mould Remover 750ml Multipack
Available immediately
free shipping
  • effectively removes ingrained mould and mildew with a powerful bleach formula
  • suitable for ceramic and porcelain tiles, chrome, stainless steel, formica, plastics, ceramic basins and toilets, and acrylic bath tubs and showers
  • easy to use: spray, leave to work, and rinse
Our rating
9,8
very good
Astonish Specialist Extra Strength Mould & Mildew Stain Blaster Spray, 6 x 750ml
Astonish Specialist Extra Strength Mould & Mildew Stain Blaster Spray, 6 x 750ml
Available immediately
free shipping
  • kills mould spores and prevents mould from growing
  • easy to apply with clear label instructions
  • works within two minutes to tackle mould growth in bathrooms, kitchens and other condensation areas
Our rating
9,6
very good
4. Bestseller
Cillit Bang Black Mould Remover Spray 750ml (Pack of 3)
Cillit Bang Black Mould Remover Spray 750ml (Pack of 3)
Available immediately
free shipping
  • effectively removes black mould, mildew, and dirt stains
  • safe for use on showers, bathtubs, and damp surfaces
  • easy application with no need for scrubbing
Our rating
9,6
very good
HG Mould Spray & Remover 500ml for Kitchen & Bathroom Tiles, Grout & Sealer (2 Sprays)
HG Mould Spray & Remover 500ml for Kitchen & Bathroom Tiles, Grout & Sealer (2 Sprays)
Available immediately
free shipping
  • effective mould removal for kitchen and bathroom tiles, grout lines and sealant
  • suitable for tiles, grout lines and sealant surfaces
  • easy to apply using a spray bottle to target mouldy areas
Our rating
9,6
very good
200+ purchases last month
HG Mould Remover Foam Spray 500ml (Pack of 2)
HG Mould Remover Foam Spray 500ml (Pack of 2)
Available immediately
free shipping
  • removes mould, mildew and fungus quickly, with results in under 30 minutes and helps prevent regrowth
  • suitable for a wide range of surfaces including walls, tiles, bathroom seals and window frames
  • how to use: hold the spray 3 to 5 cm from the surface, spray, leave for 30 minutes, then rinse with water and a sponge
Our rating
9,6
very good
HG Hagesan Bathroom Mould Removal Spray 500 ml
HG Hagesan Bathroom Mould Removal Spray 500 ml
Available immediately
free shipping
  • removes brown stains caused by mould, mildew and algae on silicone seals, shower enclosures and plaster, and also tackles coffee or tea stains on plastic worktops
  • suitable for use on silicone seals, shower enclosures, plaster and plastic worktops
  • easy to apply by spraying from a distance of 5 centimetres
Our rating
9,6
very good
Cillit Bang Black Mould Remover Spray 750ml Pack of 6
Cillit Bang Black Mould Remover Spray 750ml Pack of 6
Available immediately
free shipping
  • removes all black mould stains, mildew and dirt from damp surfaces such as showers and baths
  • easy to use: spray onto the affected area, wipe away with no scrubbing required
  • delivers fast results with visible stain removal within seconds and kills 99.9% of viruses on surfaces when used as directed and tested to EN 14476
Our rating
9,6
very good
Dettol Mould Spray 750ml Multipack
Dettol Mould Spray 750ml Multipack
Available immediately
free shipping
  • formulated with bleach for effective removal of ingrained mould and mildew
  • suitable for surfaces like ceramic tiles, grout, chrome, stainless steel, ceramic basins, toilets, acrylic bath tubs and showers
  • convenient spray format allows easy application by turning nozzle to ON position and spraying directly
Our rating
9,6
very good
HG Mould Remover Foam Spray 500ml
HG Mould Remover Foam Spray 500ml
Available immediately
free shipping
  • effectively removes mould and mildew, eliminating black stains in under 30 minutes
  • suitable for various surfaces including tiles, bathroom seals, and windows
  • simple to apply: spray from 3 to 5 cm away and rinse after 30 minutes
Our rating
9,5
very good
Cilit Bang Black Mould Remover Spray, 750ml
Cilit Bang Black Mould Remover Spray, 750ml
Available immediately
free shipping
  • destroys mould and disinfects surfaces
  • safe for use on various surfaces in kitchens and bathrooms
  • easy application without the need to scrub
Our rating
9,5
very good
Cilit Bang Mould Remover Spray 750ml
Cilit Bang Mould Remover Spray 750ml
Available immediately
free shipping
  • effectively removes black mould, mildew and dirt stains
  • safe for use on showers, bathtubs and other damp surfaces
  • simply spray and wipe for clear results without scrubbing
Our rating
9,5
very good
HG Mould Preventor Spray – Bathroom Tile, Grout & Silicone Seal Guard – 500ml
HG Mould Preventor Spray – Bathroom Tile, Grout & Silicone Seal Guard – 500ml
Available immediately
free shipping
  • Effectiveness
  • Surface compatibility
  • Ease of use
Our rating
9,5
very good
Astonish Mould & Mildew Remover 500ml
Astonish Mould & Mildew Remover 500ml
Available immediately
free shipping
  • effectively removes tough mould and mildew stains from surfaces
  • suitable for use on most non-porous, hard surfaces including sinks, baths, and tiles
  • easy spray application for hassle-free cleaning
Our rating
9,5
very good
HG Mould Spray 500 ml Pack of 2
HG Mould Spray 500 ml Pack of 2
Available immediately
free shipping
  • effectiveness: removes mould, mildew and algae quickly and effectively from many surfaces
  • surface compatibility: suitable for plastered walls, tiles, bathroom seals and window frames
  • ease of use: spray directly onto mould or mildew in damp areas with a targeted spray action to reduce splashing
Our rating
9,5
very good
HG Mould Spray 500ml
HG Mould Spray 500ml
Available immediately
free shipping
  • removes mould, mildew and algae effectively
  • suitable for various surfaces including tiles, seals and windows
  • convenient spray application for direct use in damp areas
Our rating
9,1
good
Undo Mould Remover Spray 500 ml
Undo Mould Remover Spray 500 ml
Available immediately
free shipping
  • fights a range of mould colours on hard surfaces to reduce mould growth
  • compatible with most hard surfaces in bathrooms and kitchens, avoid metals and soft furnishings
  • easy to apply with a spray trigger for quick, even coverage and no scrubbing required
Our rating
9,1
good
Astonish Mould and Mildew Remover, Apple Burst, 750ml Twin Pack
Astonish Mould and Mildew Remover, Apple Burst, 750ml Twin Pack
Available immediately
free shipping
  • removes mould and mildew stains effectively
  • safe for non-porous hard surfaces such as walls, glass, bathroom tiles and grout; avoid contact with rubber, vinyl and metal finishes such as aluminium, copper, brass, chrome, silver or gold plating
  • easy to use spray for straightforward application
Our rating
9,1
good
700+ purchases last month
Astonish Specialist Mould Stain Remover Spray 3 x 750ml
Astonish Specialist Mould Stain Remover Spray 3 x 750ml
Available immediately
free shipping
  • blasts away tough mould stains in minutes and comes as a triple pack for longer use
  • suitable for non porous hard surfaces such as glass tiles and sealed wood
  • easy to use with a spray application, a short wait time and simple wipe and rinse
Our rating
9,1
good
Cif Mould Stain Remover Spray 435 ml
Cif Mould Stain Remover Spray 435 ml
Available immediately
free shipping
  • removes mould stains effectively
  • suitable for a variety of surfaces including bathtubs and tiled walls
  • easy to apply by spraying from 10 to 15 cm away
Our rating
9,1
good
McKLords Mould Remover Spray 1 Litre
McKLords Mould Remover Spray 1 Litre
Available immediately
free shipping
  • breaks down and removes mould and mildew stains instantly
  • safe for use on tiles, grout, walls, ceilings, and other hard surfaces
  • simply spray, let sit, and wipe away with no scrubbing needed
Our rating
9,0
good
Astonish Mould & Mildew Stain Spray, 750ml
Astonish Mould & Mildew Stain Spray, 750ml
Available immediately
free shipping
  • removes tough mould and mildew stains effectively
  • safe for use on various surfaces including walls, uPVC, glass, and bathroom tiles
  • easy application by simply spraying, leaving it to work, and wiping away
Our rating
9,0
good
Wipeout Mould & Mildew Stain Remover Spray, 500ml
Wipeout Mould & Mildew Stain Remover Spray, 500ml
Available immediately
free shipping
  • effectively removes ingrained mould and mildew
  • safe for use on most non-porous surfaces including walls, window frames, glass, tiles, and sinks
  • convenient spray format for easy application
Our rating
7,5
satisfactory

Similar Mould Spray comparisons

Mould Sprays buying guide: How to choose the right product from the above Mould Sprays test or comparison

Understanding Mould Spray: What It Is and How It Works

What is Mould Spray?

Mould spray is a specialised cleaning solution designed to eliminate mould and prevent its growth. These sprays usually contain powerful cleaning agents and biocides that target mould, mildew, and their spores, ensuring that surfaces are not just cleaned, but also protected from future infestations.

How Does Mould Spray Work?

When applied to affected areas, mould spray penetrates the mould structure, breaking it down and lifting it away from surfaces. The active ingredients may include bleach compounds, hydrogen peroxide, or natural alternatives, each chosen for its unique ability to combat stubborn mould. Understanding how these sprays activate helps in knowing that they require time to work effectively, often showing results after a few hours.

Top Benefits of Using Mould Spray in Your Home

Eliminates Existing Mould

One of the primary benefits of mould spray is its ability to swiftly eliminate existing mould. Whether it’s on bathroom tiles, kitchen surfaces, or damp basement walls, a good mould spray will not only kill mold but also remove it from view, restoring the surface’s cleanliness.

Prevents Future Growth

Many mould sprays also contain ingredients that inhibit mould regrowth. By using these products consistently, we can create an environment that is less conducive to mould taking hold again, thus protecting our home and health.

Improves Indoor Air Quality

Mould can significantly affect indoor air quality, leading to potential health issues. Using mould spray not only cleans surfaces but also aids in improving the air we breathe within our homes, leading to a healthier living environment.

Choosing the Right Mould Spray: Key Ingredients to Look For

Active Ingredients to Consider

When selecting a mould spray, look for active ingredients that are effective against mould. Common options include bleach for instant results, hydrogen peroxide for a safer alternative that can still pack a punch, and essential oils like tea tree or eucalyptus, which offer natural protection.

Safety Considerations

Make sure to choose mould sprays that are safe for the surfaces you are treating. Some sprays can damage wood, fabrics, or painted finishes, so it’s essential to read the instructions and ensure compatibility to avoid any unintended harm.

How to Effectively Apply Mould Spray for Maximum Results

Preparation Steps

Before applying mould spray, ensure the area is well-ventilated. Put on protective gear such as gloves and a mask to avoid inhaling fumes, and cover nearby surfaces that shouldn’t be treated to protect them from the spray.

Application Technique

Hold the spray nozzle at an appropriate distance from the surface, usually about 15-20 cm, and apply evenly to the affected areas. It’s vital to saturate the mould thoroughly but avoid oversaturation, which can lead to runoff and reduced effectiveness.

Allowing Time to Work

After application, let the mould spray sit for the recommended time, as indicated on the label. This dwell time allows the active ingredients to penetrate and break down the mould effectively. After this period, wipe the area with a damp cloth to remove the residue and any dead mould remnants.

Frequently Asked Questions About Mould Spray

Can Mould Spray Be Used on All Surfaces?

Not all mould sprays are suitable for every surface. Some may discolor or damage porous materials like wood or fabrics. Always check the manufacturer’s recommendations or conduct a spot test before full application.

How Often Should I Use Mould Spray?

For ongoing maintenance in susceptible areas, we recommend applying mould spray every few months or after significant damp events, such as heavy rain or leaks, to ensure that mould doesn’t have a chance to re-establish.

Is Mould Spray Safe for Pets and Children?

While many mould sprays are designed with safety in mind, it’s best to keep pets and children away from treated areas until the spray has dried completely. Always read the safety instructions provided to ensure the best protection for your household.

Table of contents
  1. Understanding Mould Spray: What It Is and How It Works
  2. Top Benefits of Using Mould Spray in Your Home
  3. Choosing the Right Mould Spray: Key Ingredients to Look For
  4. How to Effectively Apply Mould Spray for Maximum Results
  5. Frequently Asked Questions About Mould Spray

Overview

1. Comparison winner
Dryzone Mould Remover and Prevention Kit - 3 x 450ml
Our rating
9,8
very good
Dryzone Mould Remover and Prevention Kit - 3 x 450mlAvailable immediately
2. Best value
Dettol Mould Remover 750ml Multipack
Our rating
9,8
very good
Dettol Mould Remover 750ml MultipackAvailable immediately
Astonish Specialist Extra Strength Mould & Mildew Stain Blaster Spray, 6 x 750ml
Our rating
9,6
very good
Astonish Specialist Extra Strength Mould & Mildew Stain Blaster Spray, 6 x 750mlAvailable immediately
4. Bestseller
Cillit Bang Black Mould Remover Spray 750ml (Pack of 3)
Our rating
9,6
very good
Cillit Bang Black Mould Remover Spray 750ml (Pack of 3)Available immediately
HG Mould Spray & Remover 500ml for Kitchen & Bathroom Tiles, Grout & Sealer (2 Sprays)
Our rating
9,6
very good
HG Mould Spray & Remover 500ml for Kitchen & Bathroom Tiles, Grout & Sealer (2 Sprays)Available immediately
HG Mould Remover Foam Spray 500ml (Pack of 2)
Our rating
9,6
very good
HG Mould Remover Foam Spray 500ml (Pack of 2)Available immediately
HG Hagesan Bathroom Mould Removal Spray 500 ml
Our rating
9,6
very good
HG Hagesan Bathroom Mould Removal Spray 500 mlAvailable immediately
Cillit Bang Black Mould Remover Spray 750ml Pack of 6
Our rating
9,6
very good
Cillit Bang Black Mould Remover Spray 750ml Pack of 6Available immediately
Our product comparisons are:
Always up to date:
At most every 120 days, we update each category with new products and research developments in the top rankings. This ensures that our recommendations are always up to date
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Our tests and comparisons are objective and fact-based. Manufacturers have no influence on the ratings. We aim to provide greater transparency in the market, thereby promoting product quality.
Method-driven
In our tests & comparison tables, we only include products that meet our minimum standards. This ensures that you can find the perfect product for your needs from a wide selection.
Similar tests and comparisons - Household Cleaning Products