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Patio, Lawn & Garden

Pools, Hot Tubs & Supplies

10 Best Algaecides 2024 in the US

Winner

Clorox® Po

CLOROX POOL & Spa

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

10.0

score

API POND A

API

API POND ALGAEFIX Algae Control 32-Ounce Bottle, FISHAQUARI (169G)

9.1

score

Pool RX 10

poolrx

Pool RX 101066 6 Month Algaecide Treats 20k-30k gallons, Black

8.8

score

PoolRX+ po

poolrx

PoolRX+ pool unit 7.5k-20k gallons

8.8

score

Pool RX 10

poolrx

Pool RX 101001 6 Month Algaecide Blue Treats 7.5k-20k gallons, Single, Unit

8.8

score

Clorox® Po

CLOROX POOL & Spa

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

7.9

score

EasyCare F

EasyCare

EasyCare FounTec Algaecide and Clarifier, 8 oz. Bottle

7.9

score

HTH 67289

HTH

HTH 67289 Swimming Pool Care Algae Guard Ultra, Swimming Pool Chemical, Long Lasting Formula, 32 fl oz

7.6

score

Copper Poo

MAV AquaDoc

Copper Pool Algaecide for Swimming Pool - 90 Day Algaecide for Inground Pool to Prevent and Remove Pool Algae - Super Algaecide for Pool Opening - AquaDoc 32oz

7.3

score

SeaKlear 9

SeaKlear

SeaKlear 90-Day Algae Prevention & Remover, 1 Qt

7.0

score

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