The 10 Best Aquarium Algaecides & Water Clarifiers

According to Customer Reviews

Looking for the best aquarium algaecides & water clarifiers? These are today’s best-selling and top-rated aquarium algaecides & water clarifiers that Chewy pet parents, like you, love. We update this list every day, so you can be sure you’re getting the timeliest product recommendations available.

1

Summit Clear-Water Barley Straw Pond Treatment, 1 count

Summit Clear-Water Barley Straw Pond Treatment, 1 count

Summit Clear-Water Barley Straw Pond Treatment, 1 count

Summit Clear-Water Barley Straw Pond Treatment, 1 count

Rated 4.493 out of 5 stars

71

$8.41Chewy Price

Is this right for my pet?

Top Ingredient

Barley Straw

Aquarium Type

Pond

Fish Type

Koi & Pond Fish

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2

Acurel F Aquarium Water Clarifier, 50-mL bottle

Acurel F Aquarium Water Clarifier, 50-mL bottle

Rated 4.3158 out of 5 stars

38

$9.97Chewy Price

Is this right for my pet?

Aquarium Type

Freshwater

Fish Type

Betta, Cichlid, Goldfish, Tropical Freshwater

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3

Tetra No More Algae Controls Algae Growth for Water Clarity, 8 count

Tetra No More Algae Controls Algae Growth for Water Clarity, 8 count

Tetra No More Algae Controls Algae Growth for Water Clarity, 8 count

Tetra No More Algae Controls Algae Growth for Water Clarity, 8 count

Tetra No More Algae Controls Algae Growth for Water Clarity, 8 count

Tetra No More Algae Controls Algae Growth for Water Clarity, 8 count

Tetra No More Algae Controls Algae Growth for Water Clarity, 8 count

Tetra No More Algae Controls Algae Growth for Water Clarity, 8 count

Rated 4.2692 out of 5 stars

26

$3.54Chewy Price

Is this right for my pet?

Aquarium Type

Freshwater

Fish Type

Tropical Freshwater

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4

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

API Accu-Clear Freshwater Aquarium Clarifier, 8-oz bottle

Rated 4.1519 out of 5 stars

79

$8.37Chewy Price

Is this right for my pet?

Aquarium Type

Freshwater

Fish Type

Betta, Bottom Feeder, Cichlid, Goldfish...

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5

Microbe-Lift PL Pond & Lagoon Bacteria Water Treatment, 1-gal

Microbe-Lift PL Pond & Lagoon Bacteria Water Treatment, 1-gal

Microbe-Lift PL Pond & Lagoon Bacteria Water Treatment, 1-gal

Microbe-Lift PL Pond & Lagoon Bacteria Water Treatment, 1-gal

Microbe-Lift PL Pond & Lagoon Bacteria Water Treatment, 1-gal

Rated 4.381 out of 5 stars

21

$49.00Chewy Price

Is this right for my pet?

Aquarium Type

Pond

Fish Type

Koi & Pond Fish

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6

Tetra Pond AlgaeControl Water Treatment, 101.4-oz bottle

Tetra Pond AlgaeControl Water Treatment, 101.4-oz bottle

Tetra Pond AlgaeControl Water Treatment, 101.4-oz bottle

Tetra Pond AlgaeControl Water Treatment, 101.4-oz bottle

Tetra Pond AlgaeControl Water Treatment, 101.4-oz bottle

Tetra Pond AlgaeControl Water Treatment, 101.4-oz bottle

Rated 4.0312 out of 5 stars

32

$39.61Chewy Price

Is this right for my pet?

Aquarium Type

Pond

Fish Type

Koi & Pond Fish

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7

Summit Clear-Water Barley Straw Extract Pond Treatment, 32-oz bottle

Summit Clear-Water Barley Straw Extract Pond Treatment, 32-oz bottle

Rated 4.75 out of 5 stars

8

$12.10Chewy Price

Is this right for my pet?

Aquarium Type

Pond

Fish Type

Koi & Pond Fish

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8

API Pond Simply Clear Pond Water Clarifier, 32-oz bottle

API Pond Simply Clear Pond Water Clarifier, 32-oz bottle

API Pond Simply Clear Pond Water Clarifier, 32-oz bottle

API Pond Simply Clear Pond Water Clarifier, 32-oz bottle

API Pond Simply Clear Pond Water Clarifier, 32-oz bottle

API Pond Simply Clear Pond Water Clarifier, 32-oz bottle

API Pond Simply Clear Pond Water Clarifier, 32-oz bottle

API Pond Simply Clear Pond Water Clarifier, 32-oz bottle

Rated 4.55 out of 5 stars

20

$26.99Chewy Price

Is this right for my pet?

Aquarium Type

Pond

Fish Type

Koi & Pond Fish

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9

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Freshwater Aquariums, 8-oz bottle

Rated 4 out of 5 stars

20

$12.74Chewy Price

Is this right for my pet?

Top Ingredients

100% Natural, novel Bacteria mixture

Aquarium Type

Freshwater

Fish Type

Betta, Bottom Feeder, Cichlid, Discus...

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10

API Pond Ecofix Sludge Destroyer Pond Water Clarifier & Sludge Remover, 16-oz bottle

API Pond Ecofix Sludge Destroyer Pond Water Clarifier & Sludge Remover, 16-oz bottle

API Pond Ecofix Sludge Destroyer Pond Water Clarifier & Sludge Remover, 16-oz bottle

API Pond Ecofix Sludge Destroyer Pond Water Clarifier & Sludge Remover, 16-oz bottle

API Pond Ecofix Sludge Destroyer Pond Water Clarifier & Sludge Remover, 16-oz bottle

API Pond Ecofix Sludge Destroyer Pond Water Clarifier & Sludge Remover, 16-oz bottle

Rated 4.3333 out of 5 stars

12

$15.29Chewy Price

Is this right for my pet?

Aquarium Type

Pond

Fish Type

Koi & Pond Fish

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