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10 Best pool algaecides in Canada
Best Choice01Pool PurePool Pure Algae 5 Non-Foaming Algaecide 3.6 L – 40% Concentrated Formula for Green Pool Treatment and Weekly Algae Prevention – Safe for All Pools
Main highlights- 🇨🇦 MADE IN CANADA: Pool Pure is a Canadian company and all our products are proudly MADE IN CANADA! Trust a Canadian brand created for Canadian families 🇨🇦
- WEEKLY PREVENTION MADE SIMPLE: Maintaining a clean, algae-free pool is easy with just 35 mL per 10,000L added weekly. This low-maintenance routine helps prevent outbreaks before they start, saving you hours of scrubbing and chemical balancing—perfect for busy families who want hassle-free pool ownership
- SAFE & EFFECTIVE FOR ALL SEASONS: Whether you’re dealing with early spring blooms or summer heat waves, Pool Pure Algae 5 keeps algae at bay. Use it as part of your seasonal pool opening or during heavy usage periods for consistent clarity and confidence every time you swim
- POWERFUL GREEN POOL RECOVERY: Tired of looking at a murky green pool? Pool Pure Algae 5 delivers a fast and effective solution for eliminating visible algae. With a potent 40% concentration, it flocks dead algae to the floor after shock treatment, speeding up cleanup and restoring clarity without clouding or foam—so you can reclaim your pool faster
- NON-FOAMING, METAL-FREE FORMULA: This advanced non-foaming algaecide is ideal for all pool types and won’t interfere with your filter or pump. Unlike other products, it contains no metals, making it safe for vinyl liners and swimmers while keeping your pool surface and equipment protected from stains or corrosion
- LARGE 3.6 L BOTTLE FOR MAXIMUM VALUE: Each bottle provides multiple treatments, making it a cost-effective solution for pools of all sizes. Whether you're preventing algae buildup or treating existing problems, one purchase gives you weeks of crystal-clear water and peace of mind—no repeat visits to the pool store needed
9.8Exceptional
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Value for Money02BioGuardBioGuard Erase® (946mL) Effective Algae Destroyer (SKU 3108)
Main highlights- Uses copper sulfate as an effective agent to kill and control algae growth
- Used to kill green, blue-green, and mustard algae growth
- Should be pre-dissolved before use
- Noticeable results in 24-48 hours
- Can be used on all pool types and surfaces
9.6Exceptional
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- 03Aqua Coastal
Algae Shield Liquid Pool Algaecide (50% Strength) (Copper and Stain Free) (1L)
9.5Excellent
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- 04Canada Pool Warehouse
60% HTH Extra Swimming Pool Algaecide 1 Litre Effectively Treats and Prevents Both Green and Yellow Algae
Main highlights- VERSATILE USE: Effectively treats and prevents both green and yellow algae while maintaining crystal clear pool water
- POWERFUL FORMULA: 60% concentrated liquid algaecide specifically designed to control and prevent algae growth in swimming pools
- Non Returnable Non Refundable Final Sale
- MAINTENANCE DOSAGE: Regular application helps maintain algae-free pool water throughout the swimming season
- EASY APPLICATION: Liquid formula allows for simple distribution throughout pool water for maximum effectiveness
- COVERAGE: One-litre bottle provides comprehensive algae control for standard residential swimming pools
9.4Excellent
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- 05
Aqua CoastalAlgaeFree Pool Blocks Algaecide Pucks, 1.5KG, (5 x 300G)
Main highlights- Reduces chlorine consumption. Ideal for salt or chlorine pools
- Handy monthly slow release tablet. Helps to make make pool water sparkling clear
- Blackspot, Mustard & Green Algae Killer. Eliminates Algase from Walls, Grouting & Steps. Dual Function - eliminates & prevents algae growth.
- 1 Block in theskimmer eacg month will prevent & Kill any algae growth
9.3Excellent
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- 06
Generic
Club Pro Algaecide 60% | Controls Algae in Swimming Pool Waters | Can Use for Pool Opening & Closing | Use with Chlorine & Salt Pools | Concentrated
Main highlights- ️ Effective long-lasting algae control: The high concentration provides extended protection against green, black, and mustard algae, reducing the frequency of treatments needed.
- Non-foaming formula: Unlike some algaecides, this formulation is non-foaming, making it ideal for use in pools with high agitation, such as spas and fountains.
- Helps clarify water: The polymer-based ingredients can aid in water clarity by aggregating fine particles for easier filtration.
- Prevents regrowth: Regular use can help prevent algae spores from taking hold, minimizing the risk of blooms even under warm, sunny conditions.
- ️ Compatible with most sanitizers: Works well alongside chlorine, bromine, and saltwater systems without reducing sanitizer effectiveness.
9.2Excellent
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- 07BioGuard
BioGuard Algae Complete (1 Litre) (SKU 5872)
Main highlights- VERSATILE APPLICATION: Functions both as a weekly preventative treatment and rapid remedy, with dosing of 30-40 ppm for optimal effectiveness
- POOL COMPATIBILITY: Non-foaming and non-staining formula works effectively with most pool sanitizers while maintaining proper pH levels between 7.2-7.6
- MAINTENANCE FEATURES: Chelated formula prevents copper drop-out, ensuring consistent performance without staining pool surfaces or equipment
- FAST-ACTING TREATMENT: Delivers visible results within 24 hours when used as directed, making it an efficient solution for algae control
- DUAL-ACTION FORMULA: Powerful combination of polyquat and copper-based chemistry provides comprehensive protection against green, black, and mustard algae in swimming pools
9.1Excellent
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- 08
Generic
Banish 946 ml | Algaecide | Controls Alage in Swimming Pool Water | Can Be Used with Chlorine, Salt Pools | Use for Pool Opening and Maintenance
Main highlights- pH-Neutral Application: This algaecide does not affect your pool's pH levels, eliminating the need for additional adjustments after treatment.
- Prevention and Treatment: Effective both as a preventive measure and as a remedy for existing algae growth, BioGuard Banish helps maintain a clean and healthy pool environment.
- Non-Staining and Non-Foaming: Banish's patented, low-foaming formula prevents staining and cloudiness, ensuring your pool water remains clear and inviting.
- Fast-Acting Formula: Banish works quickly, effectively inhibiting green, mustard, and black algae from your pool.
- Compatible with All Pool Types: Suitable for use in chlorine and bromine pools, as well as pools with various surfaces and filter types, Banish offers versatile algae control.
8.9Very Good
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- 09
Canada Pool Warehouse
Atlantis Swimming Pool Destructive Algaecide, 40% Strength, Non-Foaming, Non-Metallic, 1L
Main highlights- VERSATILE USE: Works in all types of pool systems and is compatible with other pool chemicals for comprehensive water treatment
- POWERFUL FORMULA: 40% concentrated algaecide solution effectively controls and prevents algae growth in swimming pool water
- NON-FOAMING ACTION: Special non-foaming formulation allows for immediate swimming after application with no waiting period required
- CONVENIENT SIZE: 1-litre bottle provides sufficient treatment for standard residential swimming pools throughout the season
- CHEMICAL PROPERTIES: Non-metallic formulation prevents staining of pool surfaces while maintaining optimal water clarity
8.8Very Good
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- 10
Generic
Club Pro Super Clarifier 1L | Brilliantly Clear Pool Water | Made from Recycled Crab Shells | Removes Small Particles | Compatible with Chorine, Salt Pools | Pool Opening & Closing | Chitosan-Based
Free ShippingMain highlights- Non-toxic and Safe for Swimmers: Being non-irritating and non-toxic, chitosan clarifiers are ideal for sensitive swimmers and aquatic environments.
- Natural and Biodegradable, Non-Allergenic: Chitosan is derived from crustacean shells, making it an eco-friendly and biodegradable alternative to synthetic clarifiers. It is safe for people with crustacean allergies.
- Improves Filter Efficiency: It enhances filtration by coagulating fine particles into larger clumps, making it easier for filters to trap debris and reducing filter maintenance.
- Effectively Removes Oils and Organics: It binds with body oils, lotions, and other organic contaminants, helping to reduce scum lines and improve water clarity.
- Compatible with Most Pool Chemicals: Chitosan-based clarifiers generally do not interfere with sanitizers like chlorine or bromine and are safe for use in saltwater pools.
8.7Very Good
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