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Best What's Best Mould Killers of 2026
Best Choice
1
Clicked 32 times in the last monthOne ChemOne Chem 2 x 5 Litre Ready To Use Spray and Leave with added Long Hose Trigger Spray - Fencing Patio Decking Driveway - Green Algae and Mould Killer
13% Off
9.8
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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Value for Money
2
POLYCELL3X Polycell 3-in-1 Mould Killer Spray, 500 ml
31% Off
9.7
Exceptional
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
3
ZinsserZinsser Proffesional Mould, Fungi and Algae Killer and Remover 500ml
9.5
Excellent
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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4
ZinsserZinsser Proffesional Mould, Fungi and Algae Killer and Remover 500ml
9.3
Excellent
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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5
RonsealRonseal 3 in 1 Mould Killer Spray 500ml
9.2
Excellent
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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6
RonsealRonseal 3 in 1 Mould Killer Spray 500ml
9.1
Excellent
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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7
RonsealRonseal RSLMKB500 3 In 1 Mould Killer Bottle 500ml
8.8
Very Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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8
RonsealRonseal RSLMKB500 3 In 1 Mould Killer Bottle 500ml
8.5
Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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9
One ChemOne Chem 2 x 5 Litre Ready To Use Spray and Leave with added Long Hose Trigger Spray - Fencing Patio Decking Driveway - Green Algae and Mould Killer
17% Off
8.4
Good
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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10
Pro-KleenPro-Kleen MY16 Patio Cleaner Simply Spray and Walk Away Green Mould and Algae Killer for Patios, Fencing and Decking 5 Litre Concentrate (Makes 25 litres)
8.3
Good
Our Rating
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.
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