Aquarium & Fish Tank Water Care

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OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown slide 1 of 2
OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown slide 2 of 2
OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown slide 1 of 2
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OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown slide 1 of 2
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Slide 1 of 2
OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown slide 1 of 2
OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown slide 2 of 2
OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown slide 1 of 2
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OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown slide 1 of 2
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OASE Indoor Aquatics ScaperLine 9 Fish Soil, Brown

Rated 5 out of 5 stars
3
$68.35 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

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API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 1 of 7
API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 2 of 7
API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 3 of 7
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API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 1 of 7
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API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 1 of 7
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API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 1 of 7
API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 2 of 7
API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 3 of 7
API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 4 of 7
API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 5 of 7
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API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 1 of 7
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API Marine ALGAEFIX Algae Control 16-fl oz bottle slide 1 of 7
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API Marine ALGAEFIX Algae Control 16-fl oz bottle

Rated 4.2 out of 5 stars
52
$15.18 Chewy Price
($0.95/fl oz) Price per Unit
$26.48 List Price
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Free 1-3 day delivery on first-time orders over $35
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Microbe-Lift Oxy Pond Cleaner, 2-lb container slide 1 of 5
Microbe-Lift Oxy Pond Cleaner, 2-lb container slide 2 of 5
Microbe-Lift Oxy Pond Cleaner, 2-lb container slide 3 of 5
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Microbe-Lift Oxy Pond Cleaner, 2-lb container

Rated 4 out of 5 stars
7
$21.20 Chewy Price
($10.60/lb) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 1 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 2 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 3 of 6
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API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 1 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 2 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 3 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 4 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 5 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 6 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 1 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 2 of 6
API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count slide 3 of 6
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API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count

Rated 4.3 out of 5 stars
18
$9.48 Chewy Price
$13.48 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

API High Range pH Fresh & Salt Water Aquarium Test Kit, 160 count

Rated 4.8 out of 5 stars
10
$9.48 Chewy Price
($0.06/ea) Price per Unit
$13.28 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aqueon AquaPacs Aquarium Ammonia Reducer, 12 pack, 10-gal

Rated 4.6 out of 5 stars
18
$14.97 Chewy Price
($1.25/ea) Price per Unit
$16.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Python Multi Purpose Bio-Clean Aquarium Water Care, 1-fl oz bottle

Rated 4.7 out of 5 stars
10
$3.49 Chewy Price
($3.49/fl oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval Sea Magnesium Aquarium Water Conditioner, 8-oz bottle

Rated 4.6 out of 5 stars
5
$10.99 Chewy Price
($1.38/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics Re-Fresh Freshwater Tank Revitalizer, 8-fl oz bottle

Rated 4.7 out of 5 stars
6
$26.99 Chewy Price
($3.38/fl oz) Price per Unit
$39.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

AquaForest Reef Salt + Mix for Aquariums, 148-gal bucket

Rated 3.7 out of 5 stars
3
$82.99 Chewy Price
($0.57/gl) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

API Marine Complete Trace Aquarium Water Conditioner, 16-oz bottle

Rated 3 out of 5 stars
4
$12.98 Chewy Price
($0.82/oz) Price per Unit
$18.28 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fritz Nature Box Plant Care

Rated 2.5 out of 5 stars
2
$11.98 Chewy Price
$15.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra Pond Clumping Water Clarifier, 16.9-fl oz bottle

Rated 4.1 out of 5 stars
13
$11.85 Chewy Price
($0.71/fl oz) Price per Unit
$22.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Microbe-Lift TheraP Pond Fish Water Treatment, 32-oz bottle

Rated 3.7 out of 5 stars
3
$23.59 Chewy Price
($0.74/oz) Price per Unit
$29.49 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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API Replacement Test Tubes for Aquarium Liquid Test Kits, 24 count

Rated 3.3 out of 5 stars
22
$29.98 Chewy Price
($1.25/ea) Price per Unit
$41.98 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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API Quick Start Freshwater & Saltwater Aquarium Nitrifying Bacteria, 32-fl oz bottle

Rated 4.5 out of 5 stars
31
$34.76 Chewy Price
($1.09/fl oz) Price per Unit
$47.98 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Aqueon Ammonia Aquarium Test Strips, 50 count

Rated 4.5 out of 5 stars
11
$13.19 Chewy Price
($0.27/ea) Price per Unit
$17.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Saltwater Aquariums, 2-fl oz bottle

Rated 2.7 out of 5 stars
11
$20.99 Chewy Price
($10.50/fl oz) Price per Unit
$27.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Microbe-Lift Parazoryne Parastic Disease Water Conditioner, 16-oz bottle

Rated 5 out of 5 stars
8
$26.49 Chewy Price
($1.66/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics Shrimp One & Only Water Conditioner, 2-fl oz bottle

$13.41 Chewy Price
($6.71/fl oz) Price per Unit
$16.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

ASF Reef Shots Reef Elements Aquarium Treatment, 16-oz bag

$19.99 Chewy Price
($1.25/oz) Price per Unit
$23.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Salifert Aquarium Copper Test Kit

Rated 5 out of 5 stars
2
$16.97 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval Fresh pH Low Range Fish Water Test Kit

Rated 5 out of 5 stars
1
$13.99 Chewy Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Tetra Algae Control Pond Fountain Block Water Treatment, 6 count

Rated 4.4 out of 5 stars
69
$8.49 Chewy Price
($1.42/ea) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Microbe-Lift Autumn & Winter Prep Pond Water Treatment, 32-oz bottle

Rated 4.3 out of 5 stars
30
$33.23 Chewy Price
($1.04/oz) Price per Unit
$41.54 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

API pH Freshwater & Saltwater Aquarium Test Strips, 25 count

Rated 4.4 out of 5 stars
10
$14.31 Chewy Price
($0.58/ea) Price per Unit
$18.28 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Aqueon AquaPacs Aquarium Water Clarifier, 12 pack, 10-gal

Rated 3.8 out of 5 stars
18
$11.43 Chewy Price
($0.10/gl) Price per Unit
$16.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Boyd Chemi-Clean Red Cyanobacteria Aquarium Treatment, 2-g

Rated 4.8 out of 5 stars
20
$17.99 Chewy Price
($9.00/g) Price per Unit
$24.01 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

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

Rated 1.5 out of 5 stars
2
$18.99 Chewy Price
($2.38/fl oz) Price per Unit
$26.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Zoo Med Betta H2O Conditioner, 0.5-fl oz

Rated 4.1 out of 5 stars
17
$4.99 Chewy Price
($9.98/fl oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Dr. Tim's Aquatics Waste-Away Gel Plant Water Conditioner, Small, 1 count

$11.59 Chewy Price
($11.59/ea) Price per Unit
$14.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

ASF Reef Minerals Aquarium Treatment, 2.2-lb bottle

$17.99 Chewy Price
($8.18/lb) Price per Unit
$21.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Salifert Aquarium Oxygen Test Kit

Rated 4.7 out of 5 stars
6
$14.89 Chewy Price
$16.09 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Lifegard All Purpose 6-Way Fish Pond Test Strip Kit, 25 count

Rated 1 out of 5 stars
1
$37.78 Chewy Price
($1.52/ea) Price per Unit
$47.72 List Price
Autoship Price

Free delivery on first-time orders
Free 365-day returns
Arrives between Apr 13 and Apr 17

Fritz FritzZyme 9 Saltwater Aquarium Water Treatment, 1-gal bottle

Rated 3.8 out of 5 stars
4
$71.99 Chewy Price
($71.99/gl) Price per Unit
$89.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
Free 365-day returns

Microbe-Lift Pond & Fountain Defoamer Water Treatment, 16-oz bottle

Rated 5 out of 5 stars
11
$11.95 Chewy Price
($0.75/oz) Price per Unit
Autoship Price

Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Category

Water Conditioner

Algaecide & Water Clarifier

Water Test Kits

Water Treatments

Plant Fertilizers

Mineral Salt

Filtration Bacteria

Water Clarifiers

Therapeutic Salt

Save 5% on repeat deliveries

Water Test Type

Aquarium Type

Aquarium Concern

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