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Best 9 Algaecide Pools of 2023

Algaecide pools are used to control algae in swimming pools, spas, and hot tubs. Algaecide pools use a variety of chemicals to kill algae and prevent it from growing.

Lumia Shaffer
  Sep 27, 2023 1:20 AM
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Top Picks

Best Overall: In The Swim Swimming Pool Algaecide 60 Plus

(Swimming pools can be a great place to spend summers, but they can quickly become an eyesore with masses of algae growing on the sides. In The Swim Swimming Pool Algaecide 60 Plus is designed to help keep your pool clean and algae-free. It's 60% more effective than traditional algaecides, so it will take less of it to get the job done. Additionally, In The Swim Swimming Pool Alga.)

Best Budget: Clorox Pool&Spa 43128CLX 42128CLX Pool Algaecide

(Removes leaves, algae, and other debris from swimming pools - Formulated for both residential and commercial pools - Fast acting and safe to use - Non-toxic and environmentally friendly.)

Editor's Choise: In The Swim Swimming Pool Algaecide 60 Plus - 1/2 Gallon

(Keeps your swimming pool clean and algae free - Kills 99.9% of all common swimming pool algae - Keeps your water clear and sparkling - Safe for use with all types of pools - heated or not.)

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Comparison Table

Showing  1 - 9  in  9 results
RANKING LIST  |  SORT BY SCORES
TOP Choice
1
In The Swim Swimming Pool Algaecide 60 Plus - 1 Quart
In The Swim Swimming Pool Algaecide 60 Plus - 1 Quart
View on Amazon
  • SCORE
    9.2
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    In The Swim
Customer Reviews

! quart bottle

Non-metallic, non-foaming, low-odor polymer-based algaecide

Kills all types of algae, including pink algae

Not affected by pH

Recommended for use with well water

2
Clorox Pool&Spa Green Algae Eliminator2 32 oz
Clorox Pool&Spa Green Algae Eliminator2 32 oz
View on Amazon
  • SCORE
    9.2
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    Clorox Pool&Spa
Customer Reviews

Non-foaming formula

Effective kill and preventative treatment

Suitable for all pools

3
In The Swim Swimming Pool Algaecide 60 Plus - 1/2 Gallon
In The Swim Swimming Pool Algaecide 60 Plus - 1/2 Gallon
View on Amazon
  • SCORE
    9.2
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    In The Swim
Customer Reviews

Non-metallic, non-foaming, low-odor polymer-based algaecide

Kills and controls all types of algae, including pink algae

Not affected by pH and can be used in conjunction with super chlorination

For visible algae add 11-17 oz. per 10,000 gallons. Initial Dosage: 6-11 oz. per 10,000 gallons. Maintenance Dosage: 2-4 oz. per 10,000 gallons.

Recommended for use with well water

4
In The Swim Winter Swimming Pool Algaecide - 1 Quart
In The Swim Winter Swimming Pool Algaecide - 1 Quart
View on Amazon
  • SCORE
    9.2
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    In The Swim
Customer Reviews

NOTE: We are currently unable to ship Winter Algaecide to AZ, CA, DC, FL, MT, or RI due to State Restrictions

Provides dependable control of algae growth throughout the winter season

Specifically formulated to fight algae for up to 5 months in a covered pool

Dosage: 1 quart per 20,000 gallons

Can be applied to inground or above ground pools

5
Clorox Pool&Spa 43128CLX 42128CLX Pool Algaecide
Clorox Pool&Spa 43128CLX 42128CLX Pool Algaecide
View on Amazon
  • SCORE
    9.0
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    Clorox Pool&Spa
Customer Reviews

Prevents and treats pool algae

Built in clarifier

Non-foaming formula

Suitable for all pool types

*Packaging may vary*

6
In The Swim Super Pool Algaecide - (2) 1/2 Gallon
In The Swim Super Pool Algaecide - (2) 1/2 Gallon
View on Amazon
  • SCORE
    9.0
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    In The Swim
Customer Reviews

NOTE: We are currently unable to ship SUPER ALGAECIDE to the state of California. We apologize for the inconvenience.

Provides superior algae-fighting power with long lasting effects

Safe enough to swim directly after use

Contains 7.1% Chelated Copper (chelated to protect from staining)

Non-foaming formula, with no odor

7
HTH 67032 Super Algae Guard Swimming Pool Algaecide Cleanser, 1 qt
HTH 67032 Super Algae Guard Swimming Pool Algaecide Cleanser, 1 qt
View on Amazon
  • SCORE
    9.0
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    HTH
Customer Reviews

BENEFITS: Kills and prevents all algae types including green, black and mustard algae in your swimming pool so you can enjoy your summertime fun

USE: Apply directly to the pool for easy DIY pool care

COMPATIBILITY: Great for vinyl-lined and saltwater pool systems

FEATURES: Non-foaming algaecide formula destroys algae fast for crystal clear water; Swim 15 minutes after applying algaecide to your pool; Dissolves fast; Won’t fade vinyl pool liners

INCLUDES: One 1-qt container of Super Algae Guard for your swimming pool water

8
In The Swim Algaecide 2 x 1/2 Gallon F041001002AE
In The Swim Algaecide 2 x 1/2 Gallon F041001002AE
View on Amazon
  • SCORE
    8.8
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    In The Swim
Customer Reviews

Great for inground and above-ground pools

Prevents green and yellow mustard algae!

Recommended for pool owners using well water to prevent staining

10% Quaternary compound active ingredient

Safe to swim after immediately adding

9
In The Swim Pool Algaecide 50-4 Quarts
In The Swim Pool Algaecide 50-4 Quarts
View on Amazon
  • SCORE
    8.8
    AI Score

    Reviews are based on big data aggregated from sales pages and product buyer reviews. All ranking arrangements are automatically AI-driven according to product buyer reviews.

  • Brand
    In The Swim
Customer Reviews

NOTE: We are currently unable to ship Algaecide 50 to the District of Columbia due to State Restrictions

Safe to use with well water

Overuse can cause foaming

Can be applied to inground or above ground pools

Effective against all types of algae

Last update on 2023-09-27 / Affiliate links / Images, Product Titles, and Product Highlights from Amazon Product Advertising API

4
2 ratings

FAQs

What happens if you swim in a pool with algaecide?

If you swim in a pool with algaecide, it can kill the algae. However, it can also kill the bacteria that helps keep the pool clean. So, it's important to use caution when using algaecide in a pool.

How often should you treat your pool with algaecide?

There is no set schedule for treating your pool with algaecide, but it is generally recommended to treat it every three to four weeks.

Should you out algaecide in a pool before shocking it upon opening?

No, it is not necessary to out algaecide before shocking the pool.

Is it safe to swim after adding algaecide?

There is no definitive answer to this question as it depends on the specific algaecide being used and its concentration in the water. Some algaecides are known to be safe for swimming while others may not be. It is always best to consult with a professional before swimming in contaminated water.

How long does it take for algaecide to clear a pool?

Algaecide will clear a pool in about a day.

Conclusion

Agaecide pools are a great way to remove algae from your pool. They are easy to use and are a relatively inexpensive way to keep your pool clean and algae free.

Lumia Shaffer
Lumia Shaffer

I'm Lumia Shaffer! I'm a Kirby Research author, with a passion for writing, I've researched and published many in-depth product research articles!
My Twitter: https://twitter.com/KirbyLumias