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10 bestPool Chemicalsof September 2025

112M consumers helped this year.

1

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

9.9

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2

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

9.8

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3

Premium Long Lasting 3" Stabilized Chlorine Pucks (6Kg)
Premium Long Lasting 3" Stabilized Chlorine Pucks (6Kg)

Aqua Coastal

9.6

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4

Multi Pool Shock Treatment (Pack of 6 | 450g Each) Fast-Acting 6-in-1 Granular Chlorine Shock + Clarifier, Buffer, Stabilizer, Softener, Stain Remover - for A Crystal Clear Swimming Pool
Multi Pool Shock Treatment (Pack of 6 | 450g Each) Fast-Acting 6-in-1 Granular Chlorine Shock + Clarifier, Buffer, Stabilizer, Softener, Stain Remover - for A Crystal Clear Swimming Pool

Pool Supplies Canada

9.4

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5

Chlorine Spa Tabs (800g) by Pool Supplies Canada
Chlorine Spa Tabs (800g) by Pool Supplies Canada

Pool Supplies Canada

9.1

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Related products

EcoOne | pH Plus | Increases pH Level in Pool or Spa | Natural, Sustainable Spa Care Supplies | Fragrance Free | Indoor & Outdoor Hot Tub Maintenance Chemicals | 1 Bottle, 2 Lbs

EcoOne | pH Plus | Increases pH Level in Pool or Spa | Natural, Sustainable Spa Care Supplies | Fragrance Free | Indoor & Outdoor Hot Tub Maintenance Chemicals | 1 Bottle, 2 Lbs

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BioGuard Smart Shock Case (12 x 400g Bags) 6 in 1 Compound Shock (SKU 2446)

BioGuard Smart Shock Case (12 x 400g Bags) 6 in 1 Compound Shock (SKU 2446)

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7 Way Water Hot Tub, Swimming Pool & Spa Test Strips Kit - Fast Testing for Free Chlorine, Total Chlorine, Bromine, Total Hardness, Total Alkalinity, Cyanuric Acid and pH Testing, 100 Pcs

7 Way Water Hot Tub, Swimming Pool & Spa Test Strips Kit - Fast Testing for Free Chlorine, Total Chlorine, Bromine, Total Hardness, Total Alkalinity, Cyanuric Acid and pH Testing, 100 Pcs

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HTH Spa 86131 Alkalinity up, Spa & Hot Tub Chemical Raises Alkalinity, Stabilizes pH Fluctuation, 1.25 lbs

HTH Spa 86131 Alkalinity up, Spa & Hot Tub Chemical Raises Alkalinity, Stabilizes pH Fluctuation, 1.25 lbs

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6

Stabilized Chlorinating Granules for Pools and Spas (2kg / 4.4lbs)
Stabilized Chlorinating Granules for Pools and Spas (2kg / 4.4lbs)

Aqua Coastal

8.9

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7

Spaguard Balance Pak 100 (1 KG) Total Alkalinity Increaser (SKU 7530)
Spaguard Balance Pak 100 (1 KG) Total Alkalinity Increaser (SKU 7530)

SpaGuard

8.6

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8

Algae Shield Liquid Pool Algaecide (50% Strength) (Copper and Stain Free) (1L)
Algae Shield Liquid Pool Algaecide (50% Strength) (Copper and Stain Free) (1L)

Aqua Coastal

8.3

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9

2 Pack Hot Tub, Pool & Spa Defoamer (32oz/ Bottles) – Quickly Removes Foam Without The Use of Harsh Hot Tub Chemicals, Eco-Friendly & Safe with Silicone Emulsion Formula. Get The Foam Down
2 Pack Hot Tub, Pool & Spa Defoamer (32oz/ Bottles) – Quickly Removes Foam Without The Use of Harsh Hot Tub Chemicals, Eco-Friendly & Safe with Silicone Emulsion Formula. Get The Foam Down

Essential Values

8.0

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14% off

10

BioGuard Polysheen Blue (946 mL) Highly Concentrated Water Clarifier (SKU 4863)
BioGuard Polysheen Blue (946 mL) Highly Concentrated Water Clarifier (SKU 4863)

BioGuard

7.8

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