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8 bestPool Shocksof October 2025

112M consumers helped this year.

1

Spa Oxidizer Shock Non-Chlorine (950g) by Pool Supplies Canada

Spa Oxidizer Shock Non-Chlorine (950g) by Pool Supplies Canada

Spa Oxidizer Shock Non-Chlorine (950g) by Pool Supplies Canada

Pool Supplies Canada

9.9

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2

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

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

9.8

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3

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

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

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

Aqua Coastal

9.7

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4

Non-Chlorine Oxidizer Shock for Pools & Hot tubs (8 Kg)

Non-Chlorine Oxidizer Shock for Pools & Hot tubs (8 Kg)

Non-Chlorine Oxidizer Shock for Pools & Hot tubs (8 Kg)

Aqua Coastal

9.4

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5

Pool Shock Treatment & Conditioner (450g) - Fast-Acting Granular Chlorine Shock - Multi Formula: Shock, Clarifier, Buffer, Stabilizer, Softener, Stain & Scale Inhibitor - Pool Supplies Canada

Pool Shock Treatment & Conditioner (450g) - Fast-Acting Granular Chlorine Shock - Multi Formula: Shock, Clarifier, Buffer, Stabilizer, Softener, Stain & Scale Inhibitor - Pool Supplies Canada

Pool Shock Treatment & Conditioner (450g) - Fast-Acting Granular Chlorine Shock - Multi Formula: Shock, Clarifier, Buffer, Stabilizer, Softener, Stain & Scale Inhibitor - Pool Supplies Canada

Pool Supplies Canada

9.2

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6

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)

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

BioGuard

8.9

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7

HTH 52039 Swimming Pool Care Shock Ultra, Swimming Pool Chemical, Cal Hypo Formula (1 Pack)

HTH 52039 Swimming Pool Care Shock Ultra, Swimming Pool Chemical, Cal Hypo Formula (1 Pack)

HTH 52039 Swimming Pool Care Shock Ultra, Swimming Pool Chemical, Cal Hypo Formula (1 Pack)

HTH

8.6

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8

BioGuard Oxysheen Chlorine-Free Pool Shock (3.25 kg) - Granular - SKU 2866

BioGuard Oxysheen Chlorine-Free Pool Shock (3.25 kg) - Granular - SKU 2866

BioGuard Oxysheen Chlorine-Free Pool Shock (3.25 kg) - Granular - SKU 2866

BioGuard

8.3

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