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10 bestAlgae Killersof June 2026

112M consumers helped this year.

1

envii Algae Klear Xtra, Blanket Weed Treatment for Ponds, Removes Blanket weed & String Algae Working All Year Round, Safe for all Fish & Plants – 500ml Treats 10,000 litres
envii Algae Klear Xtra, Blanket Weed Treatment for Ponds, Removes Blanket weed & String Algae Working All Year Round, Safe for all Fish & Plants – 500ml Treats 10,000 litres

envii

9.7

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2

Aqua Source Blanket Resolve
Aqua Source Blanket Resolve

Aqua Source

9.4

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3

Pro-Kleen Simply Spray & Walk Away Concentrate Patio - Fencing - Decking - Green Mould and Algae Killer (20L Simply Spray)
Pro-Kleen Simply Spray & Walk Away Concentrate Patio - Fencing - Decking - Green Mould and Algae Killer (20L Simply Spray)

Pro-Kleen

9.2

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4

Tetra AlguMin - Quickly Combats All Types Of Algae In The Aquarium, Prevents The Growth Of New Algae, 250 ml
Tetra AlguMin - Quickly Combats All Types Of Algae In The Aquarium, Prevents The Growth Of New Algae, 250 ml

Tetra

8.9

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5% off

5

One 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
One 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

One Chem

8.6

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Related productsUp to 10% off

2 x Algon Organic Path and Patio Cleaner Concentrate 2.5l

2 x Algon Organic Path and Patio Cleaner Concentrate 2.5l

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API Prevent Algae Solution for Aquariums, 237 ml Bottle

API Prevent Algae Solution for Aquariums, 237 ml Bottle

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Aquarium UV Light Sterilizer Water Clarifier UV Light Clean Green Algae Pet Dog House Bacteria-Killer UV Sterilizer Lamp for Sump Filter Tank Pond Swim Pool Home Sterilization (S-18CM in Length)

Aquarium UV Light Sterilizer Water Clarifier UV Light Clean Green Algae Pet Dog House Bacteria-Killer UV Sterilizer Lamp for Sump Filter Tank Pond Swim Pool Home Sterilization (S-18CM in Length)

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API Aquarium Fish Tank Anti Algae Treatment Prevent 237ml ALGAE KILLER Pack Of 2

API Aquarium Fish Tank Anti Algae Treatment Prevent 237ml ALGAE KILLER Pack Of 2

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6

NT Labs Pond Aquaclear, Blanketweed & Algae Control, Blue Dye For Pond Water/Water Features, Stops The Growth of Green Algae and Blanket Weed, Filters Out UV Light (1000ml - Treats 56,800L)
NT Labs Pond Aquaclear, Blanketweed & Algae Control, Blue Dye For Pond Water/Water Features, Stops The Growth of Green Algae and Blanket Weed, Filters Out UV Light (1000ml - Treats 56,800L)

NT Labs

8.3

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7

Tetra AlgoFin Blanket Weed Treament, 500 ml
Tetra AlgoFin Blanket Weed Treament, 500 ml

Tetra

8.1

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21% off

8

Tetra AlgoFin Pond Treatment - Combats Blanketweed & Algae 1L
Tetra AlgoFin Pond Treatment - Combats Blanketweed & Algae 1L

Tetra

7.8

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9

API POND ALGAE CURE Control Solution, Safe For Pets When Used As Directed, 1.9 L Bottle
API POND ALGAE CURE Control Solution, Safe For Pets When Used As Directed, 1.9 L Bottle

API

7.5

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10

Pro-Kleen Patio Cleaner Green Mould and Algae Killer Simply Spray & Walk Away Concentrate Remover 20 Litres for Paths Patios Fencing Decking and Driveways
Pro-Kleen Patio Cleaner Green Mould and Algae Killer Simply Spray & Walk Away Concentrate Remover 20 Litres for Paths Patios Fencing Decking and Driveways

Pro-Kleen

7.2

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