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10 bestAlgaecide For Swimming Poolsof February 2025

112M consumers helped this year.

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Health Metric 4-Way Pool and Spa Test Strips | 50 ct | Swimming Pool Testing Strip Kit for Chlorine Alkalinity pH & Cyanuric Acid | Easy to Use Chemical Tester | Fast & Accurate Water Maintenance
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18% off

1

EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine
EASYTEST 7-Way Pool Test Strips, 150 Strips Water Chemical Testing for Hot tub and Spa, Accurate Test Bromine, Total Alkalinity, pH, Free Chlorine, Total Hardness, Cyanuric Acid, and Total Chlorine

EASYTEST

9.8

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2

Pool Supplies Canada Premium Pool Opening/Closing Chemical Kit for up to 100,000 litres
Pool Supplies Canada Premium Pool Opening/Closing Chemical Kit for up to 100,000 litres

Pool Supplies Canada

9.6

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3

SeaKlear AquaPill AP71 WinterPill Swimming Pool Winterizer Pill
SeaKlear AquaPill AP71 WinterPill Swimming Pool Winterizer Pill

SeaKlear

9.4

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4

Chlorine Stabilized Pucks King Size 3" (6 Kg) by Pool Supplies Canada
Chlorine Stabilized Pucks King Size 3" (6 Kg) by Pool Supplies Canada

Pool Supplies Canada

9.1

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5

Hot Tub, Pool & Spa Defoamer (1 Gallon / 128oz) – Quickly Removes Foam Without The Use of Harsh Hot Tub Chemicals, Eco-Friendly & Safe with Silicone Emulsion Formula. Get The Foam Down
Hot Tub, Pool & Spa Defoamer (1 Gallon / 128oz) – Quickly Removes Foam Without The Use of Harsh Hot Tub Chemicals, Eco-Friendly & Safe with Silicone Emulsion Formula. Get The Foam Down

Essential Values

Editor’s Choice

8.8

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Health Metric 4-Way Pool and Spa Test Strips | 50 ct | Swimming Pool Testing Strip Kit for Chlorine Alkalinity pH & Cyanuric Acid | Easy to Use Chemical Tester | Fast & Accurate Water Maintenance

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BOSIKE 5 in 1 Water Hot Tub, Swimming Pool & Spa Test Strips Kit - 125 Water Tester Strips for Cyanuric Acid, Free Chlorine, Alkalinity, Bromine and pH Testing

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Zorbie Products ZORBIE-2, Zorbie Flowating Scum Collector Scum Brick for Pool & Spa

Zorbie Products ZORBIE-2, Zorbie Flowating Scum Collector Scum Brick for Pool & Spa

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HTH EXTRA HTH Extra Super Shock 6kg 30640

HTH EXTRA HTH Extra Super Shock 6kg 30640

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6

6 Pack of Multi-Shock by Pool Supplies Canada (450 g)
6 Pack of Multi-Shock by Pool Supplies Canada (450 g)

Pool Supplies Canada

8.5

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7

Ultimate Pool Closing & Opening Kit (3 Products incl. 50% Algae Concentrate)
Ultimate Pool Closing & Opening Kit (3 Products incl. 50% Algae Concentrate)

Aqua Coastal

8.3

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8

2X Superior Swimming Pool and SPA Antifreeze l HIGH DESITY l Non Toxic l Made for Canadian Winters -51 l with a Corrosion Inhibitor l 3.78 Liter Bottles
2X Superior Swimming Pool and SPA Antifreeze l HIGH DESITY l Non Toxic l Made for Canadian Winters -51 l with a Corrosion Inhibitor l 3.78 Liter Bottles

Seychelles

8.0

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9

Premium Pool Shock Chlorinating Granules (65% Available Chlorine) (2kg / 4.4lbs)
Premium Pool Shock Chlorinating Granules (65% Available Chlorine) (2kg / 4.4lbs)

Aqua Coastal

7.7

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10

SpaGuard Polysheen (473 ML) Clarifier (SKU 7546)
SpaGuard Polysheen (473 ML) Clarifier (SKU 7546)

SpaGuard

7.4

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