10 Best Pool Yellow Algae Killer - March 2026

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Last Updated: 03-03-2026

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Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 lbs.

Coral Seas

9.8

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Clorox® Pool&Spa™ Swimming Pool Algaecide and Clarifier, Prevents and Treats Pool Algae, Clears Water, 128 Fl Oz (Pack of 1)

CLOROX Pool&Spa

9.6

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United Chemicals Yellow Treat® 2 Pound Container

United Chemical

9.5

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Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 4 lbs.

Coral Seas

9.2

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United Chemicals Yellow Treat 2 lb - YT-C12 - 2 PACK

United Chemical

9.1

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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

8.8

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United Chemicals Yellow Treat 2 lb - YT-C12 - 4 PACK

United Chemical

8.6

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United Chemicals YTP71 5oz Bag Yellow Treat

United Chemical

8.4

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Clorox® Pool&Spa™ Swimming Pool Algaecide, Prevents and Treats Pool Algae, Non-Foaming, 1 Quart (Pack of 1)

CLOROX Pool&Spa

8.2

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Yellow Out Swimming Pool Chlorine Shock Enhancing Treatment - 2 x 4 Pounds

Coral Seas

8.1

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