Fish Tank Water Conditioners

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API Stress Coat Aquarium Water Conditioner, 16-oz bottle

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Rated 4.8547 out of 5 stars
117Reviews
$7.49Chewy Price
$12.59List Price
$7.12Autoship Price

FREE 1-3 day shipping over $49

API Tap Water Conditioner, 16-oz bottle

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Rated 4.8679 out of 5 stars
53Reviews
$7.29Chewy Price
$9.79List Price
$6.93Autoship Price

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Nature's Ocean Nutri-SeaWater Natural Live Ocean Aquarium Saltwater, 4.4-gal jug
Rated 3.9474 out of 5 stars
19Reviews
$24.21Chewy Price
$24.99List Price
$23.00Autoship Price

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Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 16.9-oz bottle

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Rated 4.875 out of 5 stars
72Reviews
$5.59Chewy Price
$11.09List Price
$5.31Autoship Price

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API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-oz bottle

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Rated 4.8636 out of 5 stars
44Reviews
$8.08Chewy Price
$18.99List Price
$7.68Autoship Price

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API Quick Start Freshwater & Saltwater Aquarium Water Treatment, 16-oz bottle
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Rated 4.2083 out of 5 stars
24Reviews
$11.58Chewy Price
$22.39List Price
$11.00Autoship Price

Buy 2 Get 1 Free- Mix & Match

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Tetra EasyBalance Plus Freshwater Aquarium Water Conditioner, 16.9-oz bottle

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Rated 4.6286 out of 5 stars
35Reviews
$4.89Chewy Price
$11.09List Price
$4.65Autoship Price

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Aqueon Betta Bowl Plus Water Conditioner, 4-oz bottle
Rated 4.5455 out of 5 stars
22Reviews
$5.01Chewy Price
$5.99List Price
$4.76Autoship Price

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API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle

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Rated 3.4615 out of 5 stars
13Reviews
$7.99Chewy Price
$14.39List Price
$7.59Autoship Price

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Aqueon Tap Water Conditioner, 16-oz bottle

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Rated 4.7143 out of 5 stars
35Reviews
$7.98Chewy Price
$13.49List Price
$7.58Autoship Price

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Activ-Betta Bio-Activ Live Aqueous Solution Betta Water, 33.8-oz bottle
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Rated 3.875 out of 5 stars
8Reviews
$6.00Chewy Price
$8.93List Price
$5.70Autoship Price

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Tetra SafeStart Plus Concentrated Freshwater Aquarium Bacteria, 3.38-oz

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Rated 4.6667 out of 5 stars
3Reviews
$4.79Chewy Price
$10.09List Price
$4.55Autoship Price

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Fluval Cycle Biological Booster Water Conditioner, 16.9-oz bottle

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Rated 4.6875 out of 5 stars
16Reviews
$16.99Chewy Price
$22.99List Price
$16.14Autoship Price

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API Pond Algaefix Algae Control Solution, 1-gal bottle

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Rated 4.375 out of 5 stars
88Reviews
$49.99Chewy Price
$69.99List Price
$47.49Autoship Price

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API Tap Water Conditioner Aquarium Water Conditioner, 32-oz bottle

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Rated 4.6 out of 5 stars
5Reviews
$14.29Chewy Price
$19.99List Price
$13.58Autoship Price

FREE 1-3 day shipping over $49

Tetra AquaSafe Aquarium Water Conditioner, 1.69-oz bottle
Rated 5 out of 5 stars
14Reviews
$2.48Chewy Price
$2.99List Price
$2.36Autoship Price

FREE 1-3 day shipping over $49

Aqueon Shrimp Essentials Shrimp & Crayfish Freshwater Aquarium Trace Minerals, 4-oz bottle
Rated 4.4 out of 5 stars
5Reviews
$1.90Chewy Price
$9.99List Price
$1.80Autoship Price

FREE 1-3 day shipping over $49

Tetra AquaSafe Aquarium Water Conditioner, 8.45-oz bottle
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Rated 5 out of 5 stars
2Reviews
$7.21Chewy Price
$9.09List Price
$6.85Autoship Price

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Aqueon Aquarium Water Clarifier, 16-oz bottle
Rated 3.6667 out of 5 stars
3Reviews
$8.74Chewy Price
$13.49List Price
$8.30Autoship Price

FREE 1-3 day shipping over $49

API Betta Aquarium Water Conditioner, 1.7-oz bottle
Rated 4.1 out of 5 stars
10Reviews
$3.19Chewy Price
$5.00List Price
$3.03Autoship Price

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GloFish Aquarium Water Conditioner, 4-oz bottle
Rated 5 out of 5 stars
3Reviews
$4.04Chewy Price
$6.99List Price
$3.84Autoship Price

FREE 1-3 day shipping over $49

Tetra Pond Sludge Reducer with Clear-Zyme Technology Water Conditioner, 4 count
Rated 4.2143 out of 5 stars
14Reviews
$7.50Chewy Price
$11.09List Price
$7.12Autoship Price

FREE 1-3 day shipping over $49

Fluval Biological Cleaner Water Conditioner, 8.4-oz bottle

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Rated 4.5 out of 5 stars
4Reviews
$10.44Chewy Price
$15.99List Price
$9.92Autoship Price

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API Pond Stress Coat Water Conditioner, 1-gal bottle

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Rated 5 out of 5 stars
20Reviews
$54.99Chewy Price
$76.99List Price
$52.24Autoship Price

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Fluval Ammonia Remover Nylon Filter Bags, 3 count
Rated 4.75 out of 5 stars
4Reviews
$6.38Chewy Price
$10.49List Price
$6.06Autoship Price

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API Goldfish Aquarium Cleaner, 4-oz bottle
Rated 3.375 out of 5 stars
8Reviews
$3.59Chewy Price
$4.99List Price
$3.41Autoship Price

FREE 1-3 day shipping over $49

API Quick Start Freshwater And Saltwater Aquarium Nitrifying Bacteria, 32-oz bottle
$31.29Chewy Price
$44.00List Price
$29.73Autoship Price

FREE 1-3 day shipping over $49

Fritz Aquatics Fritz Zyme 7 Freshwater Nitrifying Bacteria for Aquariums, 32-oz bottle

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Rated 5 out of 5 stars
2Reviews
$13.99Chewy Price
$15.99List Price

FREE 1-3 day shipping over $49

Fluval Total Protection Water Conditioner, 16.9-oz bottle

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Rated 4.5 out of 5 stars
4Reviews
$9.99Chewy Price
$10.49List Price
$9.49Autoship Price

FREE 1-3 day shipping over $49

Aqueon Ammonia Neutralizer Water Conditioner, 16-oz bottle

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Rated 4.5 out of 5 stars
10Reviews
$8.39Chewy Price
$13.49List Price
$7.97Autoship Price

FREE 1-3 day shipping over $49

API Pond Chlorine & Heavy Metal Neutralizer, 32-oz bottle

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Rated 5 out of 5 stars
7Reviews
$23.29Chewy Price
$32.60List Price
$22.13Autoship Price

FREE 1-3 day shipping over $49

Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner & Dechlorinator, 3.38-oz
Rated 4.5 out of 5 stars
2Reviews
$4.99Chewy Price
$5.09List Price
$4.74Autoship Price

FREE 1-3 day shipping over $49

API Stress Zyme Freshwater And Saltwater Aquarium Cleaning Solution, 32-oz bottle
Rated 5 out of 5 stars
1Review
$31.91Chewy Price
$34.99List Price
$30.31Autoship Price

FREE 1-3 day shipping over $49

Zoo Med Betta H2O Conditioner, 0.5-oz
Rated 4.2 out of 5 stars
5Reviews
$1.99Chewy Price
$1.89Autoship Price

FREE 1-3 day shipping over $49

Tetra Pond AquaSafe Tap Water Conditioner, 101.4-oz bottle

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Rated 4.8333 out of 5 stars
6Reviews
$38.32Chewy Price
$73.99List Price
$36.40Autoship Price

FREE 1-3 day shipping over $49

API Pond Accu-Clear Clarifier, 16-oz bottle

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Rated 4.2308 out of 5 stars
13Reviews
$10.99Chewy Price
$15.39List Price
$10.44Autoship Price

FREE 1-3 day shipping over $49

Fish Tank Water Conditioners

Fish water conditioners are easy to use and provide a quick solution for maintaining ideal aquarium water and a stress-free environment for your fish. A good fish tank water conditioner gives you an immediate solution to cloudy or murky water conditions that can cause all sorts of stressors for your fish, including low visibility. When you use tap water to fill up your tank after water changes, it can cause chlorine, chloramines and traces of heavy metals to taint the water. The best fish water conditioners will remove these elements from the aquarium to keep your fish happy and healthy. API Stress Coat with Pump Aquarium Water Conditioner is a helpful conditioner for reducing fish stress and healing damaged tissue. The chlorine and chloramines in tap water can damage fish tissue and cause your fish to have breathing difficulties. This potent fish tank water conditioner contains soothing aloe vera that is scientifically proven to reduce fish stress. It's also great to use when starting a new aquarium, adding or changing water, and when adding new fish. For maintaining the overall health and condition of your tank, try Tetra EasyBalance Plus Freshwater Aquarium Water Conditioner. Fish waste, uneaten food and other organic matter can cause ammonia, nitrates and other toxins to develop in the water, which creates an unhealthy environment that will lead to frequent water changes. This aquarium water conditioner regulates the pH levels and alkalinity to reduce nitrates and phosphates. It breaks down organic pollutants, plus it contains vitamins and minerals for maximum aquarium health. Seachem Prime Marine and Freshwater Conditioner removes chlorine and chloramine from the tank and changes ammonia into a safe, non-toxic form that can be removed by the tank's biofilter. It also strips out any heavy metals from tap water. This fish water conditioner can be used when you start a tank or when adding or replacing water. The Fluval Cycle Biological Booster Water Conditioner contains pure, safe beneficial bacterial colonies that quickly consume toxic ammonia and nitrites in the water. It's safe for aquarium plants, animals and humans. Whether you have to change the water in your tank or get rid of the murk that causes fish stress, you'll find the best fish water conditioners right here at Chewy.

Related Categories: Fish Algaecides and Water Clarity, Fish pH Treatments, Aquarium Plant Care, Fish Salt and Minerals, Fish Water Test Kits, Fish Water Care