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Pool Algaecides Comparison - June 2025
| 1 Best Choice  9.8Exceptional | 2  9.7Exceptional | 3  9.6Exceptional | 4  9.4Excellent | 5 Best Value  9.2Excellent | 6  9.1Excellent | 7  8.9Very Good |
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ModelIn The Swim Super Algaecide for Above Ground or Inground Swimming Pools – Low Odor, Non-Foaming Preventative for Yellow/Mustard Algae in Swimming Pools - 7.1% Chelated Copper – 1 Quart | Model Doheny's Super Algaecide Plus | Pro-Grade | Effective Against Most Algae Types | 7.1% Chelated Copper (Reduces Staining) | Non-Foaming, No Clouding | Safe to Swim After Use | 4 x 40oz Bottles (160oz) | Model Clorox® Pool&Spa™ Swimming Pool Algaecide, Prevents and Treats Pool Algae, Non-Foaming, 1 Quart (Pack of 1) | Model Pool RX 101001 6 Month Algaecide Blue Treats 7.5k-20k gallons, Single, Unit | Model PoolRX+ pool unit 7.5k-20k gallons | Model Clorox® Pool&Spa™ Swimming Pool Algaecide and Clarifier, Prevents and Treats Pool Algae, Clears Water, 128 Fl Oz (Pack of 1) | Model HTH 67289 Swimming Pool Care Algae Guard Ultra, Swimming Pool Chemical, Long Lasting Formula, 32 fl oz |
BrandIn The Swim | Brand Doheny's | Brand CLOROX POOL & Spa | Brand poolrx | Brand poolrx | Brand CLOROX POOL & Spa | Brand HTH |
Reviews | Reviews | Reviews | Reviews  | Reviews | Reviews | Reviews  |
Features | ||||||
Worth the money 9.3 | Worth the money 9.1 | Worth the money 9.1 | Worth the money 8.6 | Worth the money 8.6 | Worth the money 8.4 | Worth the money 8.6 |
Simple to use 9.8 | Simple to use 9.4 | Simple to use 9.6 | Simple to use 9.6 | Simple to use 9.6 | Simple to use 9.1 | Simple to use 9.4 |
Sheerness 9.6 | Sheerness 9.3 | Sheerness 9.4 | Sheerness 8.9 | Sheerness 9.1 | Sheerness 8.6 | Sheerness 8.9 |
Fashion 9.4 | Fashion 9.3 | Fashion 9.1 | Fashion 8.9 | Fashion 9.1 | Fashion 8.4 | Fashion 8.9 |
Long life 9.3 | Long life 9.3 | Long life 9.3 | Long life 8.6 | Long life 8.6 | Long life 8.9 | Long life 8.9 |
Aroma 9.4 | Aroma 9.3 | Aroma 9.1 | Aroma 9.1 | Aroma 9.1 | Aroma 9.9 | Aroma 8.1 |
Tech Specs | ||||||
product dimensions9.8 x 3.2 x 3.1 inches | product dimensions 12 x 6.5 x 6.5 inches | product dimensions 3.13 x 3.13 x 10.19 inches | product dimensions 3.25 x 3.25 x 4.25 inches | product dimensions 3.25 x 3.25 x 4.5 inches | product dimensions 6.35 x 6.35 x 11.13 inches | product dimensions 2.25 x 4.23 x 9.25 inches |
item weight2.92 pounds | item weight 14.2 pounds | item weight 2 pounds | item weight 13.1 ounces | item weight 13.1 ounces | item weight 8 pounds | item weight 2.75 pounds |
customer reviews4.6 4.6 out of 5 stars 4, 872 ratings 4.6 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 311 ratings 4.6 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 7, 840 ratings 4.6 out of 5 stars | customer reviews 4.5 out of 5 stars 9, 207 4.5 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 4, 046 ratings 4.5 out of 5 stars | customer reviews 4.5 4.5 out of 5 stars 10, 637 ratings 4.5 out of 5 stars | customer reviews 4.6 4.6 out of 5 stars 891 ratings 4.6 out of 5 stars |
Review | Review - | Review - | Review - | Review | Review - | Review - |
Available On | 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
1In The Swim12% OffIn The Swim Super Algaecide for Above Ground or Inground Swimming Pools – Low Odor, Non-Foaming Preventative for Yellow/Mustard Algae in Swimming Pools - 7.1% Chelated Copper – 1 Quart
9.8 Simple to use9.6 Sheerness9.4 FashionWhy we love it
Highly effective against algae growth.
Safe for immediate swimming.
Non-foaming with low odor.
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9.7
2Doheny's
Doheny's Super Algaecide Plus | Pro-Grade | Effective Against Most Algae Types | 7.1% Chelated Copper (Reduces Staining) | Non-Foaming, No Clouding | Safe to Swim After Use | 4 x 40oz Bottles (160oz)
9.4 Simple to use9.3 Sheerness9.3 FashionWhy we love it
7.1 Chelated Copper: Protects fights algae well.
Safe to Swim: Use with no waiting.
No Foaming/Clouding: Keeps pool water clear.
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9.6
3CLOROX POOL & Spa19% Off
Clorox® Pool&Spa™ Swimming Pool Algaecide, Prevents and Treats Pool Algae, Non-Foaming, 1 Quart (Pack of 1)
9.6 Simple to use9.4 Sheerness9.3 Long lifeWhy we love it
Non-foaming formula keeps water clear.
Effective long-term algae prevention.
Suitable for all pool types.
Our ranking system
At BestChoice.com, our team curates a selection of top products from a vast array available online, using a sophisticated ranking system based on carefully defined criteria.While traditional hands-on testing has its merits, our use of AI technology offers distinct advantages. AI allows us to process and analyze vast amounts of data from multiple sources, providing a comprehensive view that goes beyond what manual testing can achieve. This approach enables us to deliver insights that are aligned with current trends and consumer preferences, ensuring our reviews are both relevant and up-to-date.
Features
Our AI-driven analysis examines key attributes, capabilities, and other critical factors tailored to each product category. This method allows us to assess effectiveness from various perspectives, ensuring a well-rounded evaluation.
Consumer Reviews
We aggregate and evaluate consumer feedback from across the internet, giving weight to ratings and reviews that reflect the most reliable insights. AI enhances this process by filtering and prioritizing data, offering a balanced view without the need for direct personal endorsements.
Popularity
Our system also considers the popularity of products, analyzing factors such as market presence, reputation, and user satisfaction. By leveraging AI, we capture a comprehensive picture of a product's standing in the market, which may not always be evident through traditional testing.
Value for money
AI allows us to compare products based on attributes like price, specifications, and user feedback, helping to determine their value for money. This data-driven approach offers an efficient and reliable way to assess how products stack up against one another in terms of cost-effectiveness.
