Advertising Disclosure Pool Shock Comparison - September 2025
6 Best Pool Shock In Canada
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service levels, popularity trends, and more. The rankings reflect our opinion and should be a good starting point for shopping. By purchasing the products we rank, you’ll get the lowest price we found while we may receive a commission at no cost to you, which will help us continue to provide you with value.
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| 1 Best Choice  9.8Exceptional | 2 Best Value  9.7Exceptional | 3  9.5Excellent | 4  9.2Excellent | 5  9.1Excellent | 6  9.0Excellent |
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ModelPremium Pool Shock Chlorinating Granules (65% Available Chlorine) (7kg / 15lbs) | Model SpaBoss Spa Shock 3kg - Chlorine & Bromine Free - Potassium Monopersulfate (MPS) - 3.5 oz per 400 Gallons Weekly - Non-Chlorine Spa Treatment | Model 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 | Model HTH EXTRA HTH Extra Super Shock 6kg 30640 | Model Non-Chlorine Oxidizer Shock for Pools & Hot tubs (1 Kg) | Model Pool Shock Treatment & Conditioner – 3 Pack (450g Each) - Fast-Acting Granular Chlorine Shock - Multi Formula: Clarifier, Buffer, Stabilizer, Softener, Stain & Scale Inhibitor - Pool Supplies Canada |
BrandAqua Coastal | Brand SpaBoss | Brand Pool Supplies Canada | Brand Epiken | Brand Aqua Coastal | Brand Pool Supplies Canada |
Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews |
Tech Specs | |||||
product dimensions- | product dimensions - | product dimensions 25.4 x 12.7 x 2.54 cm 450 g | product dimensions 30.48 x 30.48 x 30.48 cm 6 kg | product dimensions - | product dimensions 25.4 x 12.7 x 2.54 cm 450 g |
Available On | Available On | Available On | Available On | Available On | Available On |
Our Top 3 Picks
Here are the top 3 recommended products with more information to help you find the right product for you
9.8
1Aqua CoastalPremium Pool Shock Chlorinating Granules (65% Available Chlorine) (7kg / 15lbs)
Main highlights- Works in all swimming pool types including vinyl liner pools, Gunite pools, and saltwater pools
- Use chlorine granules in swimming pool to increase chlorine and kill bacteria and algae
- Premium chlorine shock treatment that is great for regular maintenance
- Main active ingredient is 65% Calcium Hypochlorite (Cal-Hypo) for quick sanitizing
- Add chlorine shock to water on a weekly basis or as needed
-
9.7
2SpaBoss
SpaBoss Spa Shock 3kg - Chlorine & Bromine Free - Potassium Monopersulfate (MPS) - 3.5 oz per 400 Gallons Weekly - Non-Chlorine Spa Treatment
Main highlights- add 3.5 oz (about 3.5 capfuls) Spa Shock per 400 gallons per week.
- Potassium monopersulfate (MPS)
- Chlorine and bromine free
-
9.5
3Pool Supplies Canada
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
Main highlights- 🇨🇦 MADE IN CANADA: Pool Supplies Canada is a Canadian company and all our products are proudly MADE IN CANADA! Trust a Canadian brand created for Canadian families 🇨🇦
- POWERFUL 6-IN-1 FORMULA: Tired of juggling multiple pool chemicals? Pool Supplies Canada Multi-Shock simplifies maintenance with a 6-in-1 formula that works as a Clarifier, Buffer, Stabilizer, Softener, Stain & Scale Inhibitor, and Shock. Achieve sparkling clean, balanced water with one powerful treatment instead of buying multiple products
- PERFECT FOR WEEKLY MAINTENANCE & POOL OPENINGS: Designed for easy, consistent pool care, Multi pool shock packets are ideal for weekly treatments and seasonal openings. Whether you're getting your pool ready for Summer or maintaining it through heavy use, this versatile shock treatment keeps water pristine and safe for swimming
- KEEPS WATER SAFE & BALANCED: Many shock treatments disrupt pH, leading to constant adjustments. Our chlorine shock is pH-neutral, preventing water imbalance while eliminating harmful contaminants. Maintain a stable, healthy pool environment without worrying about eye irritation, itchy skin, or chemical fluctuations
- HIGH CHLORINE CONTENT FOR MAXIMUM EFFECTIVENESS: With 35% available chlorine, this professional-grade pool shock treatment effectively kills bacteria, algae, and organic matter without leaving residue. Enjoy crystal-clear water that stays fresher for longer, reducing the need for frequent treatments
- FAST-ACTING & EASY TO USE: No more waiting hours for results! This fast-dissolving granular pool shock quickly oxidizes contaminants, eliminates bacteria, and restores water clarity within minutes. Simply add the recommended amount, and let it do the work—no complicated processes or extra steps. Just clear, safe water, hassle-free
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Value for money
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Value for money
BestChoices.com compares product attributes to price, examines tech specs, ratings and reviews, and more.When compared to other criteria, does the pricing seem reasonable? In order to provide genuine value for money, our team must answer that question with advanced calculations.
