Aquarium Maintenance & Water Care

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181 - 216 of 452 Results

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Microbe-Lift Exotic Betta Care Aquarium Treatment, 1-oz bottle

$3.35 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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API Aquarium Starter Kit

Rated 5 out of 5 stars
5
$31.38 Chewy Price
$41.98 List Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fritz ProAquatics Reef Pro Mix Redline Complete Aquarium Sea Salt, 55-lb box

Rated 4.2 out of 5 stars
5
$149.99 Chewy Price
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Free 1-3 day delivery on first-time orders
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Salifert Aquarium Carbonate Hardness/Alkalinity Test Kit

Rated 5 out of 5 stars
1
$16.46 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Aquascape Natural Pond Tint Water Treatment, 8.5-oz bottle

$16.98 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Python Multi Purpose Aquarium Water Conditioner, 67.6-oz bottle

Rated 3.5 out of 5 stars
2
$19.84 Chewy Price
$65.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 count

Rated 5 out of 5 stars
2
$17.48 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Microbe-Lift Special Blend Salt & Fresh Water Eco System in a Bottle, 8.5-oz bottle

Rated 4.6 out of 5 stars
11
$10.68 Chewy Price
$12.96 List Price
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Free 1-3 day delivery on first-time orders over $35
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Fluval Biological Enhancer Water Conditioner, 1-oz bottle

Rated 5 out of 5 stars
7
$3.99 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Ruby Reef HydroPlex NANO Concentrated Formula Aquarium Water Treatment, 64-oz bottle

$17.73 Chewy Price
$34.99 List Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Microbe-Lift Oxy Pond Cleaner, 8-lb bucket

Rated 3.9 out of 5 stars
7
$44.59 Chewy Price
$54.95 List Price
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Free 1-3 day delivery on first-time orders
Free 365-day returns

Salifert Aquarium Ammonia Test Kit

Rated 3.5 out of 5 stars
2
$13.99 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fritz RPM Elements Magnesium Aquarium Water Treatment, 32-gal bottle

Rated 5 out of 5 stars
2
$15.99 Chewy Price
Autoship Price

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

ASF SEATEST GH Total Hardness Fish Aquarium Water Test Kit, 40 count

$15.69 Chewy Price
$19.69 List Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Laguna Square Planting Basket, 2 count

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$31.99 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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API Splendid Betta Complete Aquarium Water Conditioner, 1.25-oz bottle

Rated 5 out of 5 stars
2
$4.25 Chewy Price
$5.78 List Price
Autoship Price

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

Fritz Expel-P Aquarium Water Treatment, 10 count

Rated 3.5 out of 5 stars
6
$15.37 Chewy Price
$15.38 List Price
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Free 1-3 day delivery on first-time orders over $35
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API Proper pH 8.2 Aquarium Water Treatment, 7.1-oz bottle

Rated 4.3 out of 5 stars
7
$15.78 Chewy Price
Autoship Price

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

Salifert Aquarium pH Test Kit

$10.92 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Fluval pH Wide Range Fish Water Test Kit

$12.49 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

API Goldfish Care Pack Aquarium Water Conditioner, 1.25-oz bottle

Rated 3.8 out of 5 stars
5
$5.53 Chewy Price
$5.98 List Price
Autoship Price

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

Salifert Aquarium Nitrate Test Kit

Rated 5 out of 5 stars
1
$17.12 Chewy Price
$17.37 List Price
Autoship Price

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

GloFish Betta Aquarium Water Conditioner, 2-oz bottle

$5.34 Chewy Price
$6.19 List Price
Autoship Price

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

API Marine ALGAEFIX Algae Control 16-oz bottle

Rated 3.9 out of 5 stars
26
$26.48 Chewy Price
Autoship Price

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

Microbe-Lift Concentrated Barley Straw Extract & Peat Pond Cleaning Liquid, 16-oz bottle

Rated 5 out of 5 stars
3
$14.36 Chewy Price
$16.95 List Price
Autoship Price

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

API Pond pH Up Pond Water pH Raising Solution, 16-oz bottle

Rated 4.8 out of 5 stars
4
$15.98 Chewy Price
$22.28 List Price
Autoship Price

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

Salifert Aquarium Copper Test Kit

$12.00 Chewy Price
$16.97 List Price
Autoship Price

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

API Freshwater Aquarium Salt, 50-lb

Rated 5 out of 5 stars
3
$112.48 Chewy Price
$125.98 List Price
Autoship Price

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

Fluval Sea 3-Ions Calcium, Magnesium & Strontium Aquarium Water Conditioner, 8-oz bottle

Rated 5 out of 5 stars
1
$9.81 Chewy Price
$11.99 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-oz

Rated 4.1 out of 5 stars
7
$4.99 Chewy Price
Autoship Price

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

Bundle and Save 41%
Bundle: API Pond Algaefix Algae Control Solution, 1-gal bottle & API Pond-Zyme Sludge Destroyer...
Rated 3.7 out of 5 stars
7
$75.60 Chewy Price
$128.96 List Price
Autoship Price

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

Fritz FixIck Aquarium Water Treatment, 8-oz bottle

Rated 5 out of 5 stars
3
$11.45 Chewy Price
Autoship Price

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

API Marine Stress Coat Saltwater Aquarium Water Conditioner, 16-oz bottle

Rated 5 out of 5 stars
9
$15.48 Chewy Price
Autoship Price

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

Fluval Sea Alkalinity Water Treatment, 8-oz bottle

Rated 5 out of 5 stars
1
$7.99 Chewy Price
Autoship Price

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

GloFish Betta Aquarium Water Balance, 2-oz bottle

$6.19 Chewy Price
Autoship Price

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

API Pond Essentials Bundle, 3 count

Rated 5 out of 5 stars
1
$99.98 Chewy Price
$139.98 List Price
Autoship Price

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

Category

Water Conditioners

Algaecides & Water Clarity

Salt & Minerals

Water Test Kits

Plant Care

pH Treatments

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