Clorox Pool&Spa XtraBlue+ Algaecide Form Pool Algae Chemical Controllers for Treating Algae, 40 oz
Clorox Pool&Spa XtraBlue+ Algaecide Form Pool Algae Chemical Controllers for Treating Algae, 40 oz
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Clorox Pool&Spa XtraBlue+ Algaecide Form Pool Algae Chemical Controllers for Treating Algae, 40 oz

4.7 stars out of 385 reviews
(4.7)|
385 ratings

Key item features

  • Quick Action: Liquid Algae Chemical Controllers clears swimming pool algae in 24 hours.
  • Comprehensive Protection: Kills and prevents all types of swimming pool algae, including green, mustard, and black algae.
  • Non-Foaming Formula: This treatment is non-foaming and non-staining, ensuring a clean pool.
  • Versatile Use: Works great in all pool types, providing flexibility for different pool environments.
  • Preventative Maintenance: Use weekly as a preventative measure, especially during high temperatures in summer.
  • Easy Application: Always apply chemicals according to label directions and circulate pool water for maximum coverage.
  • Optimal Control: Regular pool water testing and balancing, along with this algaecide, helps prevent algae blooms.
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Current price is $27.2968.2 ¢/oz
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About this item

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Customer ratings & reviews

4.7 out of 5 stars
stars385 ratings212 reviews
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Reviews summary

Pros
  • : Requires minimal upkeep with weekly refills.
  • : Works rapidly to control algae.
  • : Directions are easy to follow.
  • : Works effectively with chlorine sanitizers.
Cons
  • : May require additional maintenance to prevent sudden algae growth.
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Showing 1-3 of 212 reviews

Jul 13, 2025
Elizabeth
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

It works great!

Kills algae and prevents new growth. Pour in slow or in front of one of the running jets so the blue color from the product doesn't cause discoloration on your pool walls/floor.

Helpful?21NWVO6GCG9Y297421684
Jun 28, 2025
ss
Item details
Multipack quantity: 1
5 out of 5 stars review

Verified Purchase

works well

I have mustard algae and used it last year but didn't follow the directions so it came back. this year, I followed the directions and repeated in 72 hours. the pool is crystal clear. no sign of algae.

Helpful?21NWVO6GCG9Y297421684
May 6, 2024
WalmartCustomer
Item details
Color: Green
5 out of 5 stars review

Verified Purchase

I use this product every year --it's expensive, but Walmart is always at least ~$1 cheaper than Lowes, and much, much cheaper than the pool supply store.

Incentivized Review
Helpful?21NWVO6GCG9Y297421684