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The 8 Best algaecide for swimming pools of 2024

Are you trying to find algaecide for swimming pools among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!

We investigated and evaluated a number of the top-selling algaecide for swimming pools on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 16 hours of research and did 32 algaecide for swimming pools tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!

An overview of our top picks

Table of contents

The best algaecide for swimming pools you can buy today

No. 1
Clorox Pool&Spa 43128CLX 42128CLX Pool Algaecide, 128 Fl Oz (Pack of 1)
  • Prevents and treats pool algae
  • Built-in clarifier
  • Non-foaming formula
  • Suitable for all pool types
No. 2
HTH 67084 Swimming Pool Care Algae Guard Advanced, Swimming Pool Chemical, Fast-Acting, 32 fl oz
  • BENEFIT: Be all clear for more summertime fun; Use this powerful, non-foaming formula to kill and prevent heavy amounts of algae blooms for crystal clear pool water
  • POWERFUL ALGAE CONTROL: HTH Algae Guard Advanced effectively destroys and prevents heavy green, black and mustard algae blooms
  • NON-FOAMING, FAST-ACTING: Add HTH Algae Guard Advanced directly to your swimming pool water and swim right away
  • COMPATIBLE WITH ALL POOLS: This product is great for all swimming pools including vinyl-lined and saltwater systems
  • YOU'RE ALL CLEAR WITH HTH: For best results, use HTH Algae Guard Advanced as part of your weekly maintenance routine; Works great with HTH Shock products
SaleNo. 3
Clorox Pool&Spa 42232CLX 42032CLX Algae Eliminator, 1-Quart
  • Non-foaming formula
  • Effective kill and preventative treatment
  • Suitable for all pools
No. 4
In 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
  • In The Swim Super Algaecide is great for spring openings and routine maintenance to your swimming pool to keep algae growth at a minimum. This formula is copper based vs quaternary, which lasts longer and prevents foaming.
  • This powerful and highly concentrated copper-based super algaecide is used to eradicate small, isolated blooms to control and prevent yellow or mustard algae growth. The higher concentration allows for small easy-to-measure dosages allowing for fast-acting performance.
  • Our Super Algaecide contains 23.5% copper triethanolamine and 7.1% chelated copper. Unlike other copper based algaecide, the chelated copper will protect your swimming pool from staining
  • Super Algaecide does not contain harmful chemicals, making your pool safe to swim in immediately following use. Ultimately, this maximizes the amount of time you're able to spend in the water.
  • This highly effective formula is non-foaming, has low odor, and is great for those with a sensitivity to strong smells.
No. 5
In The Swim Algaecide 60 Plus for Swimming Pools - Non-Metallic, Low Odor, Non-Foaming Algae Bloom Preventative - Chlorine Sanitizer Compatible - 1 Quart
  • In The Swim Algaecide 60 Plus is perfect for preventing and controlling various types of algae including: green, yellow, black, and pink in your above ground or in-ground swimming pool.
  • Algaecide 60 Plus is a non-metallic, non-foaming, low odor formula specially formulated for pools with attached spas, waterfalls, or decorative fountains.
  • This product is pH tolerant which means it is effective in both acidic and alkaline pH ranges, thereby eliminating the need to alter pool chemistry prior to application.
  • Works nicely for pools using well water. Compatible with various sanitizers such as chlorine, bromine, biguanide, and salt systems.
  • We recommend and initial dosage of 6-11 ounces per 10,000 gallons, for standard maintenance 2-4 ounces per 10,000 gallons, and for visible algae 11-17 ounces per 10,000 gallons.
SaleNo. 6
SeaKlear 90-Day Algae Prevention & Remover, 1 Qt
  • Reliable & Effective
  • 90-days no algae guarantee (when used according to instructions in balanced pool water)
  • Kills and prevents blue-green, green, yellow and black algae
  • Non-foaming, non-staining (when used according to instructions in balanced pool water)
  • 11.8% Copper Sulfate Pentahydrate; 3% Copper as elemental
  • Effective against blue-green, black and mustard algae
  • Nonstaining formula
  • Each treatment will last three months
  • Use 16 fluid ounce 10000-gallon of pool water to prevent algae growth in all pool types
  • For severe algae treatment use 32 fluid ounce per 10000-gallon of pool water
SaleNo. 7
In The Swim Winter Swimming Pool Algaecide - 1 Quart
671 Consomer Reviews
In The Swim Winter Swimming Pool Algaecide - 1 Quart
  • 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
SaleNo. 8
Pool RX 101001 6 Month Algaecide Blue Treats 7.5k-20k gallons, Single, Unit
  • 6 month algaecide
  • Eliminates all types of algae
  • Reduces chemical demand
  • Effective for up to 6 months
  • Simplifies pool Care
  • Also Ideal for Salt Pools
No. 9
Doheny's Algaecide 60 | 100% Professional-Grade | Prevents All Types of Algae in Swimming Pools | Metal-Free, Non-Foaming, No Stains | Safe for Salt, Chlorine and Bromine Pools | (4) 40oz Bottles
  • Best Algae Killer for Pools: Algaecide 60 is the best algae preventer for pools; it prevents all types of algae in all types of swimming pools
  • Effective Pool Treatment: Doheny's Algaecide 60 is metal-free and will leave no stains behind when applied
  • Algae Control for Pool: One bottle treats up to 160,000 gallons; use once a week to prevent algae growth
  • Effective Pool Algae Preventer: Our pool algaecide does not foam or cloud your pool water
  • Packaging: 40-ounce ready-to-use bottle with dosage stripe
SaleNo. 11
Clorox Pool&Spa XtraBlue Algaecide 40 oz
  • All-in-one algae Killer
  • Quick and effectively kills Green, mustard and Black pool algae
  • Treats up to 25, 000 gallons
  • Non-staining, non-foaming formula
No. 12
Pool Mate 1-2150-02 50 Pool Algaecide, 2-Pack
  • Non-Metallic Algaecide
  • For All Pool Types (Vinyl, Fiberglass, Concrete, Gunite, etc.)
  • Effective against all algae types (Green, Black, Yellow, Mustard, Pink)
  • Prevents and Kills Algae
  • Wait a minimum of 15 minutes after use
  • Weekly maintenance dose: 2 or 3 oz per 10,000 gallons
No. 13
Doheny's Super Algaecide Plus | 100% Professional-Grade | Effective Against Most Types of Algae | 7.1% Chelated Copper (Chelated to Protect from Staining) | Non-Foaming | (4) 40oz Bottles
  • CONTAINS 7.1% CHELATED COPPER (Chelated To Protect From Staining), Providing Superior Algae-Fighting Power With Long Lasting Effects.
  • EFFECTIVE AGAINST MOST TYPES OF ALGAE - YET SAFE ENOUGH TO SWIM DIRECTLY AFTER USE!
  • INITIAL DOSAGE: 4 Oz. Per 10,000 Gallons; Maintenance Dosage: 2 Oz. Per 10,000 Gallons.
  • WILL NOT FOAM OR CLOUD YOUR SWIMMING POOL WATER AND IS EFFECTIVE IN ALL PARTS OF THE COUNTRY!
  • BUY IN BULK AND $AVE!
SaleNo. 14
poolife Super Algae Bomb 60 (1 qt)
  • Strongest poolife liquid algaecide available
  • Non-foaming
  • Treats and prevents algae formation and growth in swimming pools, spas, and decorative fountains.
SaleNo. 15
HTH 67089 Swimming Pool Care Algae Guard Ultra, Swimming Pool Chemical, Long Lasting Formula, 32 fl oz
  • BENEFIT: Get long-lasting protection from extreme algae; This non-foaming algae control kills and prevents blooms of all algae types
  • OUR STRONGEST ALGAE CONTROL: Kills, prevents and protects against regrowth of heavy green, black and mustard swimming pool algae for up to 3 months
  • NON-FOAMING, FAST-ACTING: Add HTH Algae Guard Ultra directly to your swimming pool water and swim right away
  • COMPATIBLE WITH ALL POOLS: This non-staining formula is great for all swimming pools including vinyl-lined and saltwater systems
  • YOU'RE ALL CLEAR WITH HTH: For best results, use HTH Algae Guard Ultra every 3 months; Works great with HTH Shock products
No. 16
Regal Algaecide 60 for Swimming Pools & Spas
  • Concentrated algaecide for all types of algae
  • Should be part of a regular pool maintenance program to prevent algae
  • Weekly addition of this product will reduce overall maintenance costs and give pools desired water quality
  • The product of choice to help keep pools algae free
  • Compatible with pools using Salt Chlorine Generators
SaleNo. 17
Coral Seas Green Aid Green To Clean - 2 lbs.
  • Compatible with all chlorine types and chlorine-based shock treatments
  • Non-Toxic natural product eliminates green, mustard, brown and pink algae
  • Enhances chlorine and shock treatments ability to kill algae
No. 18
Applied Biochemists 406303A Black Algaetrine Swimming Pool Algaecide & Deposit Control, 32 fl oz, White
  • BENEFITS: Specially designed to fight tough black algae
  • USE: Follow directions as part of regular swimming pool maintenance
  • COMPATIBILITY: Works with all pool types; Functions with chlorine, bromine, and ozone sanitizers
  • FEATURES: Contains copper and penetrating agents to kill and prevent the growth of even the most deeply rooted algae cells; Allows for swimming without waiting; Will not discolor the water when used as directed
  • INCLUDES: One 32-oz container of Black Algaetrine from Applied Biochemists
SaleNo. 19
Pool RX 101066 6 Month Algaecide Treats 20k-30k gallons, Black
  • Simply place in pump basket or skimmer basket
  • Eliminates all types of Algae
  • Reduces Chemicals
  • Effective for up to 6 months
  • Simplifies Pool and Spa Care. Replace the Poolrx unit in basket every 12 months.
No. 20
Aqua Clear Pool Products Algaecide 32 oz.
  • Kills and prevents green algae
  • Fast-acting algae treatment
  • For use with all pool types
  • Salt water compatible
  • 32 oz

How to choose a good algaecide for swimming pools

Does the idea of finding a fantastic algaecide for swimming pools make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!

Your presence here indicates that you are interested in algaecide for swimming pools. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top algaecide for swimming pools products available right now. You might be wondering how we came up with the list. How was this buying guide developed?

First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top algaecide for swimming pools on the market right now!

The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:

Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top algaecide for swimming pools brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.

Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top algaecide for swimming pools based on those.

Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.

Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.

Customer ratings:  Would it be accurate to suggest that the algaecide for swimming pools were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.

Customer Reviews: Like ratings,  provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.

Seller Rank: This is very intriguing! Not only do you need a good algaecide for swimming pools, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.

Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your algaecide for swimming pools.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting algaecide for swimming pools for months and years to come.

Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.

Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.

These are the standards by which we selected our algaecide for swimming pools. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.

Why should you believe us?

There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what algaecide for swimming pools should you purchase in 2022?

This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on algaecide for swimming pools.