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Top 18 Best Algaecide For Swimming Pools 2024 [Expert’s Reviews]

There are many types of algae that can be used in swimming pools. The best algaecide for swimming pools is the one that will kill all the algae and leave the pool clean and free of any pollutants.

There are many types of algae that can grow in swimming pools. Some of the most common types of algae are green anemones, red algaes, and blue-green algae. Algae can cause a number of problems for swimming pools, including:
-The growth of algae can make it difficult to see the water surface during swimming;
-Algae can create a film on the bottom of your pool;
-Algae can block sunlight from reaching your pool; and
-Algae can produce an unpleasant odor.

1. Clorox Pool&Spa 43128CLX 42128CLX Pool Algaecide

Clorox Pool&Spa 43128CLX 42128CLX Pool Algaecide

Clorox Pool&Spa 43128CLX 42128CLX Pool AlgaecideClorox Pool&Spa 43128CLX 42128CLX Pool AlgaecideClorox Pool&Spa 43128CLX 42128CLX Pool AlgaecideClorox Pool&Spa 43128CLX 42128CLX Pool AlgaecideClorox Pool&Spa 43128CLX 42128CLX Pool Algaecide
Brand: Clorox Pool&Spa, Weight: 8 Pounds
Customer Ratings
9.9

The Clorox Pool & Spa 43128CLX 42128CLX Pool Algaecide can help prevent and treat pool algae. It is a non-foaming formula that is built in clarifier to help keep your pool looking its best.

Pros
  • Non-foaming formula
  • Built in clarifier
  • Prevents and treats pool algae
  • Suitable for all pool types
  • Non-toxic
Cons
  • May not be suitable for all pools
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2. HTH 67032 Super Algae Guard Swimming Pool Algaecide Cleanser

HTH 67032 Super Algae Guard Swimming Pool Algaecide Cleanser

HTH 67032 Super Algae Guard Swimming Pool Algaecide CleanserHTH 67032 Super Algae Guard Swimming Pool Algaecide CleanserHTH 67032 Super Algae Guard Swimming Pool Algaecide CleanserHTH 67032 Super Algae Guard Swimming Pool Algaecide Cleanser
Brand: Innovative Water Care, Size: 1 qt, Weight: 2.2 Pounds
Customer Ratings
9.5

Looking to keep your swimming pool looking great all summer long? Super Algae Guard is the perfect solution! Our algaecide formula kills and prevents all algae types in your pool, so it’s easy to care for your pool and enjoy your summertime fun!

Pros
  • Kills and prevents all algae types including green, black and mustard algae in your swimming pool so you can enjoy your summertime fun
  • 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
Cons
  • Some people may not like the smell of
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3. Clorox Pool&Spa Green Algae Eliminator2 32 oz

Clorox Pool&Spa Green Algae Eliminator2 32 oz

Clorox Pool&Spa Green Algae Eliminator2 32 ozClorox Pool&Spa Green Algae Eliminator2 32 ozClorox Pool&Spa Green Algae Eliminator2 32 ozClorox Pool&Spa Green Algae Eliminator2 32 ozClorox Pool&Spa Green Algae Eliminator2 32 oz
Brand: Chem Lab Products, Inc., Size: 1-Quart, Weight: 2 Pounds
Customer Ratings
9.3

Clorox Pool&Spa Green Algae Eliminator is an effective and non-foaming algae killing and preventative treatment for all pools. It is suitable for all pools and is an effective way to kill and prevent algae.

Pros
  • Effective
  • Non-foaming
  • Suitable for all pools
  • Effective kill and preventative treatment
  • Effective for all types of algae
  • Economical
Cons
  • Some may find the product to be too strong
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4. Regal Algaecide 60 for Swimming Pools & Spas

Regal Algaecide 60 for Swimming Pools & Spas

Size: 1 Qt., Weight: 2.20462262 Pounds
Customer Ratings
9.1

The Regal Algaecide 60 for Swimming Pools & Spas is a concentrated algaecide for all types of algae. It is compatible with Salt Chlorine Generators. The weekly addition of this product will reduce overall maintenance costs and give pools desired water quality.

Pros
  • The Regal Algaecide 60 for Swimming Pools & Spas is a concentrated algaecide for all types of algae.
  • It is compatible with Salt Chlorine Generators.
  • The weekly addition of this product will reduce overall maintenance costs and give pools desired water quality.
  • Concentrated algaecide for all types of algae.
  • Compatible with pools using Salt Chlorine Generators.
  • Cons
Cons
  • The Regal Algaecide 60 for Swimming Pools & Spas is a concentrated algaecide for all types of algae.
  • It may not be compatible with pools using Salt Chlorine Generators.
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5. Pool Mate 1-2150-02 50 Pool Algaecide, 2-Pack

Pool Mate 1-2150-02 50 Pool Algaecide, 2-Pack

Pool Mate 1-2150-02 50 Pool Algaecide, 2-PackPool Mate 1-2150-02 50 Pool Algaecide, 2-Pack
Brand: Pool Mate, Size: 2-Pack, Weight: 2.5 Pounds
Customer Ratings
9.1

Looking for a reliable and effective algaeicicide for your pool? Look no further than Pool Mate! These 50-pack algaecides are effective against all algae types, and will keep your pool free of undesirable growth.

Pros
  • Non-metallic algaecide
  • Effective against all algae types
  • Weekly maintenance dose: 2 or 3 oz per 10,000 gallons
Cons
  • May not be effective against some types of algae
  • May not be effective in all pool types
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6. Clorox Pool&Spa XtraBlue Algaecide 40 oz

Clorox Pool&Spa XtraBlue Algaecide 40 oz

Clorox Pool&Spa XtraBlue Algaecide 40 ozClorox Pool&Spa XtraBlue Algaecide 40 ozClorox Pool&Spa XtraBlue Algaecide 40 ozClorox Pool&Spa XtraBlue Algaecide 40 ozClorox Pool&Spa XtraBlue Algaecide 40 oz
Brand: Chem Lab Products, Inc., Size: 40-Ounce, Weight: 2.5 Pounds, Color: Blue/Green
Customer Ratings
9.0

Looking for an all-in-one algae killer that can handle your pool’s green and black pool algae? Look no further than Clorox Pool&Spa XtraBlue Algaecide! This formula quickly and effectively kills both types of algae and will treat up to 25,000 gallons. The non-staining, non-foaming formula is easy to use and will leave your pool looking great.

Pros
  • Quick and effectively kills green and black pool algae
  • Treats up to 25,000 gallons
  • Non-staining, non-foaming formula
  • Easy to use
Cons
  • Some customers have had trouble with the product not working well
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7. SeaKlear 90-Day Algae Prevention & Remover

SeaKlear 90-Day Algae Prevention & Remover

SeaKlear 90-Day Algae Prevention & RemoverSeaKlear 90-Day Algae Prevention & RemoverSeaKlear 90-Day Algae Prevention & Remover
Brand: SeaKlear, Size: 1 Quart, Weight: 2.4 Pounds, Color: Blue
Customer Ratings
8.6

The SeaKlear Algae Prevention & Remover is an effective and reliable algae treatment that kills and prevents blue-green, green, yellow and black algae from taking over your pool. It is a non-foaming, non-staining formula that uses 11.8% Copper Sulfate Pentahydrate; 3% Copper as elemental to effectively treat your pool.

Pros
  • The SeaKlear Algae Prevention & Remover is an effective and reliable algae treatment that kills and prevents blue-green, green, yellow and black algae from taking over your pool.
  • It is a non-foaming, non-staining formula that uses 11.8% Copper Sulfate Pentahydrate; 3% Copper as elemental to effectively treat your pool.
  • The SeaKlear Algae Prevention & Remover is reliable
Cons
  • The SeaKlear Algae Prevention & Remover may not be effective against blue-green, black and mustard algae.
  • Each treatment will last three months.
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8. Pool RX 101003 Swimming Pool Algaecide, 4 Pack

Pool RX 101003 Swimming Pool Algaecide, 4 Pack

Pool RX 101003 Swimming Pool Algaecide, 4 PackPool RX 101003 Swimming Pool Algaecide, 4 PackPool RX 101003 Swimming Pool Algaecide, 4 PackPool RX 101003 Swimming Pool Algaecide, 4 PackPool RX 101003 Swimming Pool Algaecide, 4 Pack
Brand: PoolRx, Size: 4 Pack, Weight: 0.82 Pounds, Color: Blue
Customer Ratings
8.3

-Eliminates algae growth in your pool and spa
-Reduces chemicals use
-Additional benefits for six months

Pros
  • Eliminates algae growth in your pool and spa
  • Reduces chemicals use
  • Additional benefits for six months
Cons
  • Some people find the product difficult to put in the pump basket or skimmer basket
  • Some people find the product difficult to use
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9. United Chemical No Mor Problems Swimming Pool Algaecide

United Chemical No Mor Problems Swimming Pool Algaecide

Brand: United Chemical
Customer Ratings
8.3

Looking for a safe and effective way to prevent swimming pool algae and bacteria? Look no further than United Chemical! Our Algaecide can help keep your pool clean and healthy, and is compatible with all types of chlorine and bromine pools.

Pros
  • Safe and effective
  • Compatible with all types of chlorine and bromine pools
  • Non-toxic and easy to use
Cons
  • Not very expensive
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10. McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae 64 Ounce

McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae 64 Ounce

McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae 64 Ounce
Brand: EasyCare, Weight: 4 Pounds, Color: Yellow
Customer Ratings
7.9

If you are looking for a pool care product that can quickly kill most algae andblack algae, look no further than McGrayel Algatec 10064 Super Algaecide for Green Yellow and Black Algae. This product contains no metals, bromides, or quats, and works synergistically with chlorine for a fast cleanup. Super-clarifics pool water during cleanup function, and kills rather than Starves algae and prevents algae regrowth. Will not interfere with pool water pH, or sanitizer levels, and can swim immediately after treatment.

Pros
  • Kills most algae in 8 to 24 hours
  • Black algae in 7 to 10 days
  • Super-clarifics pool water during cleanup function
  • Kills rather than starves algae and prevents algae regrowth
  • Will not interfere with pool water pH, or sanitizer levels
  • Can swim immediately after treatment
Cons
  • May cause some algae growth in the pool
  • May not kill all algae in the pool
  • May require more frequent treatment than other pool care products
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11. Kem-Tek KTK-50-0006 Pool and Spa 60-Percent Concentrated Algaecide

Kem-Tek KTK-50-0006 Pool and Spa 60-Percent Concentrated Algaecide

Brand: Kem-Tek, Size: 1-Quart, Weight: 2.1 Pounds
Customer Ratings
7.9

This Kem-Tek KTK-50-0006 Pool and Spa 60-Percent Concentrated Algaecide is a long lasting, safe, and non-foaming algaecide that helps clarify pool water. It is also safe for all pool and filter types.

Pros
  • The Kem-Tek KTK-50-0006 Pool and Spa 60-Percent Concentrated Algaecide is a long lasting, safe, and non-foaming algaecide that helps clarify pool water.
  • It is also safe for all pool and filter types.
  • It is a great choice for treatment and prevention.
Cons
  • The Kem-Tek KTK-50-0006 Pool and Spa 60-Percent Concentrated Algaecide may not be the most affordable option.
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12. Pool RX 101066 6 Month Algaecide Treats 20k

Pool RX 101066 6 Month Algaecide Treats 20k

Pool RX 101066 6 Month Algaecide Treats 20kPool RX 101066 6 Month Algaecide Treats 20kPool RX 101066 6 Month Algaecide Treats 20kPool RX 101066 6 Month Algaecide Treats 20kPool RX 101066 6 Month Algaecide Treats 20k
Brand: PoolRx, Size: Single Unit, Weight: 1 Pounds, Color: Black
Customer Ratings
7.7

Our pool RX101066 6 Month Algaecide Treats 20k is an effective and efficient way to reduce algae and chemicals in your pool. It is a simple to use, easy to store and remove treats, and it has been proven to work for up to 6 months.

Pros
  • Efficient and effective
  • Simplifies Pool and Spa Care
  • Reduces Chemicals
  • Effective for up to 6 months
  • Simple to use
Cons
  • May not be effective for all types of algae
  • May not be effective for all types of chemicals
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13. PoolRx 101067 Black Units Swimming-Pool-Algaecides

PoolRx 101067 Black Units Swimming-Pool-Algaecides

PoolRx 101067 Black Units Swimming-Pool-AlgaecidesPoolRx 101067 Black Units Swimming-Pool-AlgaecidesPoolRx 101067 Black Units Swimming-Pool-AlgaecidesPoolRx 101067 Black Units Swimming-Pool-AlgaecidesPoolRx 101067 Black Units Swimming-Pool-Algaecides
Brand: PoolRx, Size: 4 Pack, Weight: 1.47 Pounds
Customer Ratings
7.4

The Pool Rx 101067 Black Units Swimming-Pool-Algaecides is an effective way to reduce chemicals in your swimming pool and spa. It is also effective for up to 6 months, eliminating all types of algae. It simplifies pool and spa care by putting it in a pump basket or skimmer basket.

Pros
  • Eliminates all types of algae
  • Simplifies pool and spa care
  • Simply place in pump basket or skimmer basket
Cons
  • Some people find the product difficult to use
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14. Doheny’s Algaecide 60, Algaecide for Swimming Pool

Doheny

Brand: Doheny’s, Size: 12 Qts. + 96 Fl. Oz. FREE
Customer Ratings
7.3

Doheny’s Algaecide 60, Algaecide for Swimming Pool is the best algae killer for pools that prevents all types of algae in all types of swimming pools. Our pool algaecide does not foam or cloud your pool water, making it easy to apply and leaving no residues behind.packaging: 40-ounce ready-to-use bottle with dosage stripe
Algae Control for Pool: One bottle treats up to 160,000 gallons; use once a week to prevent algae growth
Effective Pool Treatment: Doheny’s Algaecide 60 is metal-free and will leave no stains behind when applied

Pros
  • The best algae preventer for pools
  • Effective pool algae preventer
  • Metal-free and easy to apply
  • Leaves no residues behind
  • Will prevent algae growth in all types of swimming pools
Cons
  • May not be effective in some types of pools
  • May not be effective in a cloudy or foam-y pool
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15. Pool RX 101001 6 Month Algaecide Blue Treats 7

Pool RX 101001 6 Month Algaecide Blue Treats 7

Pool RX 101001 6 Month Algaecide Blue Treats 7Pool RX 101001 6 Month Algaecide Blue Treats 7Pool RX 101001 6 Month Algaecide Blue Treats 7Pool RX 101001 6 Month Algaecide Blue Treats 7Pool RX 101001 6 Month Algaecide Blue Treats 7
Brand: PoolRx, Size: Single Unit, Weight: 0.82 Pounds, Color: Blue
Customer Ratings
7.0

This pool water treatment system eliminates all types of algae, reducing chemical demand and simplifying the pool care process. This affordable and effective pool water treatment system is ideal for salt lakes and other swimming areas.

Pros
  • Eliminates all types of algae
  • Reduces chemical demand
  • Also Ideal for Salt Pools
Cons
  • May not be effective for some types of algae
  • May not be effective for some types of pool water
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16. Aqua Clear Pool Products Pool Algaecide 32 oz

Aqua Clear Pool Products Pool Algaecide 32 oz

Aqua Clear Pool Products Pool Algaecide 32 ozAqua Clear Pool Products Pool Algaecide 32 ozAqua Clear Pool Products Pool Algaecide 32 ozAqua Clear Pool Products Pool Algaecide 32 ozAqua Clear Pool Products Pool Algaecide 32 oz
Brand: BioLab, Inc., Size: 32 oz., Weight: 2 Pounds
Customer Ratings
6.9

The Aqua Clear Pool Products Pool Algaecide 32 oz is a fast-acting algae treatment that kills and prevents green algae. It is also salt water compatible so it can be used in any swimming pool.

Pros
  • Kills and prevents green algae
  • Fast-acting algae treatment
  • Salt water compatible
  • For use with all pool types
Cons
  • Some people find the product to be a little too strong
  • Some people find it to be a little too salty
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17. Pool RX 102001 6 Month Swimming Pool Algaecide Replacement

Pool RX 102001 6 Month Swimming Pool Algaecide Replacement

Pool RX 102001 6 Month Swimming Pool Algaecide ReplacementPool RX 102001 6 Month Swimming Pool Algaecide ReplacementPool RX 102001 6 Month Swimming Pool Algaecide ReplacementPool RX 102001 6 Month Swimming Pool Algaecide ReplacementPool RX 102001 6 Month Swimming Pool Algaecide Replacement
Brand: PoolRx, Size: Single Unit, Weight: 0.5 Pounds, Color: Blue
Customer Ratings
6.7

The Pool RX 102001 6 Month Swimming Pool Algaecide Replacement is a great choice for all types of pools. It is effective for up to 6 months and eliminates all types of algae. This pool unit also has additional minerals for your pool.

Pros
  • The Pool RX 102001 6 Month Swimming Pool Algaecide Replacement is a great choice for all types of pools.
  • It is effective for up to 6 months and eliminates all types of algae.
  • This pool unit also has additional minerals for your pool.
  • The Pool RX 102001 6 Month Swimming Pool Algaecide Replacement is a great value for the price.
Cons
  • The Pool RX 102001 6 Month Swimming Pool Algaecide Replacement may not be the best choice for all types of pools.
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18. Applied Biochemists 405103A Swimtrine 7.4 Swimming Pool Algaecide & Deposit Control

Applied Biochemists 405103A Swimtrine 7.4 Swimming Pool Algaecide & Deposit Control

Brand: SCP Distributors LLC (Pool Corp), Size: 32 fl. oz., Weight: 1 Pounds
Customer Ratings
6.3

The swimtrine 7.4 from Applied Biochemists is a great way to clean swimming pools and keep them healthy. It is super concentrated and can treat a 10,000 gallon pool in just 2 fluid ounces.

Pros
  • Super concentrated
  • Can treat a 10,000 gallon pool in just 2 fluid ounces
  • Swimming can resume immediately after treatment
  • Compatible with bromine, chlorine, salt water, ozone, and minerals
Cons
  • Not very effective at destroying mustard algae
  • Not very effective at controlling algae
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About the Expert

There are many types of lawns and patio designs available on the market today. Some people prefer traditional lawns with a well-maintained surface, while others prefer new and innovative patio designs that allow for more outdoor living space. Whatever your preference, there are sure to be a few options out there that will fit the bill.
One option that is especially popular among homeowners is a lawn or patio design that incorporates a garden setting. This type of design can be used to create an intimate or public space, depending on the preferences of the individual. Garden settings can also be used to provide an extra level of privacy for those who want it.
Another popular type of patio design is called an open-air plaza. This type of design allows for plenty of natural light and ventilation, which can help keep your Lawn & Patio looking fresh all season long. If you’re looking for something different and exciting to add to your home’s landscape, then consider trying out one of these types of designs!

Pick The Best Algaecide For Swimming Pools Based On Your Needs

How do you get rid of algae in swimming pool?

Test and adjust the pool’s pH. One of the main causes of algae growing in a pool is if the pH of the water gets too high, because this Shock the pool. The best way to get rid of green algae is with a combination of shocking and algaecide, which is why it’s so important to balance the Add an algaecide. Brush the pool. Vacuum the pool.

How to prevent algae in a swimming pool?

Wash all your bathing suits. Algae can actually hide away and grow on things like swim suits and towels. Sanitize pool equipment and toys. Wipe down all your toys, floats, and cleaning equipment with a non-bleach disinfectant. Maintain the right chemical balance. Brush, vacuum, and filter the pool regularly.

How to treat algae in a swimming pool?

Remove the winter cover from the pool, clean it off, dry and fold it, then store it away. Clean the copings and surrounding pool deck to remove any mold or algae growth. Refit all the poolside equipment such as ladders and diving boards. If necessary, re-assemble all the filtration and heating equipment in the plant room.

How do you kill algae in a pool?

Test and balance your pool water weekly, maintaining an ideal pH range of 7.2 – 7.6. Check to ensure an adequate supply of sanitizer is on board to help kill bacteria and maintain 1 – 4 ppm chlorine residual. Shock your pool water weekly to remove contaminants. Brush the pool surface weekly to remove any algae and improve water circulation. Add the preventative dose of an algaecide to your pool every week to avoid algae growth

Conclusion

There is no one definitive answer to this question, as there are several reasons why you might want to buy an algae-removal product for swimming pools. Some reasons include the potential for increased water quality, reduced chlorine levels, or simply reducing the amount of algae present in the pool.
If your pool is suffering from algae, Algaecide for Swimming Pool can help to prevent it. This product is effective and easy to apply, leaving no residues behind so you can continue using your pool without any hassles.