What are aquarium water conditioners?

Aquarium water conditioners are treatments that remove harmful substances like chlorine, chloramine, and heavy metals from tap water, making it safe for fish and other aquatic life.

Is a water conditioner necessary for an aquarium?

Yes. Unless you are using pre-conditioned water, aquarium water conditioners are essential for neutralizing harmful chemicals in tap water. Without them, fish can be exposed to toxins that may cause stress or illness.

What happens if you forget to put a water conditioner in your fish tank?

Without water conditioner, chlorine and chloramine in tap water can irritate fish gills, damage their protective slime coat, and even be fatal in high concentrations. It's important to treat water before adding it to the tank.

How long can you let the aquarium water conditioner sit before adding fish?

Most water conditioners work instantly, allowing fish to be added right away. However, some formulas may require a few minutes to fully neutralize harmful chemicals. Always follow the product's instructions for best results.

Aquarium & Fish Tank Water Conditioner & Dechlorinator - Page 2 (Free Shipping)

Python Multi Purpose Aquarium Water Conditioner, 16.2-fl oz bottle

Rated 4.5 out of 5 stars

10

$7.62 Chewy Price

($0.48/fl oz) Price per Unit

$11.99 List Price

Autoship Price

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

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SunGrow Mini Indian Almond Leaves Pleco & Shrimp Food, Aquarium Water Conditioner that Lowers pH, 50 count slide 2 of 6

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SunGrow Mini Indian Almond Leaves Pleco & Shrimp Food, Aquarium Water Conditioner that Lowers p...

Rated 4.4 out of 5 stars

25

$6.97 Chewy Price

($0.14/ea) Price per Unit

$9.99 List Price

Autoship Price

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

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Tetra SafeStart Plus for Freshwater Aquariums, 8.45-fl oz bottle slide 2 of 8

Tetra SafeStart Plus for Freshwater Aquariums, 8.45-fl oz bottle slide 3 of 8

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Tetra SafeStart Plus for Freshwater Aquariums, 8.45-fl oz bottle

Rated 4.9 out of 5 stars

9

$18.07 Chewy Price

($2.14/fl oz) Price per Unit

$22.89 List Price

Autoship Price

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

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API Goldfish Aquarium Cleaner, 4-fl oz bottle slide 2 of 7

API Goldfish Aquarium Cleaner, 4-fl oz bottle slide 3 of 7

API Goldfish Aquarium Cleaner, 4-fl oz bottle slide 4 of 7

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API Goldfish Aquarium Cleaner, 4-fl oz bottle

Rated 4.4 out of 5 stars

31

$4.28 Chewy Price

($1.07/fl oz) Price per Unit

$5.98 List Price

Autoship Price

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

GloFish Aquarium Water Conditioner, 4-fl oz bottle

Rated 4.7 out of 5 stars

17

$4.24 Chewy Price

($1.06/fl oz) Price per Unit

$7.19 List Price

Autoship Price

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

Dr. Tim's Aquatics AquaCleanse Freshwater Aquarium Cleaner, 32-fl oz bottle

Rated 4.7 out of 5 stars

3

$20.09 Chewy Price

($0.63/fl oz) Price per Unit

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 13 and Apr 16

API Aquarium Start-Up Pack

Rated 4.7 out of 5 stars

18

$6.99 Chewy Price

$8.28 List Price

Autoship Price

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

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

Rated 4.8 out of 5 stars

84

$26.98 Chewy Price

($0.85/fl oz) Price per Unit

$37.78 List Price

Autoship Price

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

Fritz Zyme 9 Saltwater Nitrifying Bacteria for Aquariums, 32-fl oz bottle

Rated 4.6 out of 5 stars

29

$19.99 Chewy Price

($0.63/fl oz) Price per Unit

$24.99 List Price

Autoship Price

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

API Marine Stress Zyme Saltwater Aquarium Cleaning Solution, 16-fl oz bottle

Rated 4.8 out of 5 stars

21

$15.48 Chewy Price

($0.97/fl oz) Price per Unit

$21.78 List Price

Autoship Price

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

SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detox...

Rated 4.5 out of 5 stars

17

$5.93 Chewy Price

($0.89/oz) Price per Unit

$9.99 List Price

Autoship Price

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

Tetra Pond AquaSafe Tap Water Conditioner, 101.4-fl oz bottle

Rated 4.9 out of 5 stars

41

$55.18 Chewy Price

($0.55/fl oz) Price per Unit

$78.49 List Price

Autoship Price

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

SunGrow Water Conditioner Balls for Betta, Tropical Fish Tank Decorations & Aquarium Water Enha...

Rated 4.1 out of 5 stars

34

$3.99 Chewy Price

($0.40/ea) Price per Unit

$5.99 List Price

Autoship Price

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

Aqueon AquaPacs Aquarium Sludge Remover, 12 pack, 10-gal

Rated 4.2 out of 5 stars

11

$13.87 Chewy Price

($1.16/ea) Price per Unit

$16.99 List Price

Autoship Price

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

Aqueon Shrimp Essentials Shrimp & Crayfish Freshwater Aquarium Trace Minerals, 4-fl oz bottle

Rated 4.7 out of 5 stars

30

$4.99 Chewy Price

($1.25/fl oz) Price per Unit

$9.99 List Price

Autoship Price

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

API Pond Accu-Clear Clarifier, 1-gal bottle

Rated 4.6 out of 5 stars

91

$65.98 Chewy Price

($65.98/gl) Price per Unit

$92.48 List Price

Autoship Price

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

API Stress Coat with Pump Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.6 out of 5 stars

43

$16.98 Chewy Price

($1.07/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 One & Only Live Nitrifying Bacteria for Reef Aquariums, 4-fl oz bottle

Rated 4 out of 5 stars

35

$28.99 Chewy Price

($7.25/fl oz) Price per Unit

$49.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle

Rated 4.5 out of 5 stars

8

$4.31 Chewy Price

($1.08/oz) Price per Unit

$8.78 List Price

Autoship Price

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

Dr. Tim's Aquatics Betta Waste-Away Water Conditioner, 4-fl oz bottle

Rated 5 out of 5 stars

1

$11.79 Chewy Price

($2.95/fl oz) Price per Unit

$14.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Fritz ParaCleanse Aquarium Water Treatment, 20 count

Rated 4.1 out of 5 stars

23

$22.39 Chewy Price

($1.12/ea) Price per Unit

$27.99 List Price

Autoship Price

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

Rated 4.9 out of 5 stars

10

$31.38 Chewy Price

$43.48 List Price

Autoship Price

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

biOrb Aquarium Service Kit 3 Plus Water Optimizer

Rated 4.8 out of 5 stars

38

$31.00 Chewy Price

$36.99 List Price

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Apr 11 and Apr 16

Aqueon PURE Sludge Bomb Water Conditioner

Rated 4.2 out of 5 stars

25

$21.95 Chewy Price

$21.99 List Price

Autoship Price

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

API Stress Zyme Freshwater & Saltwater Aquarium Cleaning Solution, 32-fl oz bottle

Rated 4.9 out of 5 stars

14

$41.98 Chewy Price

($1.32/fl oz) Price per Unit

Autoship Price

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

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

Rated 2.7 out of 5 stars

3

$16.96 Chewy Price

($8.48/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

API Pond Ammo-Lock Pond Water Ammonia Detoxifier, 16-oz bottle

Rated 4.8 out of 5 stars

16

$16.08 Chewy Price

($1.01/oz) Price per Unit

$20.98 List Price

Autoship Price

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

Fluval Ammonia Remover Nylon Filter Bags, 3 count

Rated 4.8 out of 5 stars

29

$6.99 Chewy Price

($2.33/ea) Price per Unit

$11.99 List Price

Autoship Price

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

Tetra AquaSafe Aquarium Water Conditioner, 8.45-fl oz bottle

Rated 4.9 out of 5 stars

83

$9.32 Chewy Price

($1.11/fl oz) Price per Unit

$10.89 List Price

Autoship Price

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

Microbe-Lift Special Blend Salt & Fresh Water Eco System in a Bottle, 8.5-oz bottle

Rated 4.6 out of 5 stars

16

$12.99 Chewy Price

($1.53/oz) Price per Unit

Autoship Price

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

Ruby Reef Rally PRO Aquarium Water Treatment, 64-fl oz bottle

Rated 4 out of 5 stars

15

$36.99 Chewy Price

($0.58/fl oz) Price per Unit

Autoship Price

Free 1-3 day delivery on first-time orders
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 Ammonium Chloride Solution Aquarium Cleaner, 4-fl oz bottle

Rated 5 out of 5 stars

3

$7.19 Chewy Price

($1.80/oz) Price per Unit

$8.99 List Price

Autoship Price

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

Aqueon PURE Pond Bomb Water Conditioner

Rated 4.3 out of 5 stars

28

$21.95 Chewy Price

$21.99 List Price

Autoship Price

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

Fritz FixIck Aquarium Water Treatment, 16-fl oz bottle

Rated 4.5 out of 5 stars

8

$15.99 Chewy Price

($1.00/fl oz) Price per Unit

$19.99 List 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-fl oz bottle

Rated 4.8 out of 5 stars

29

$10.98 Chewy Price

($0.69/fl oz) Price per Unit

$15.48 List Price

Autoship Price

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

Aquarium & Fish Tank Water Conditioner & Dechlorinator

Python Multi Purpose Aquarium Water Conditioner, 16.2-fl oz bottle

SunGrow Mini Indian Almond Leaves Pleco & Shrimp Food, Aquarium Water Conditioner that Lowers p...

Tetra SafeStart Plus for Freshwater Aquariums, 8.45-fl oz bottle

API Goldfish Aquarium Cleaner, 4-fl oz bottle

GloFish Aquarium Water Conditioner, 4-fl oz bottle

Dr. Tim's Aquatics AquaCleanse Freshwater Aquarium Cleaner, 32-fl oz bottle

API Aquarium Start-Up Pack

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

Fritz Zyme 9 Saltwater Nitrifying Bacteria for Aquariums, 32-fl oz bottle

API Marine Stress Zyme Saltwater Aquarium Cleaning Solution, 16-fl oz bottle

SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detox...

Tetra Pond AquaSafe Tap Water Conditioner, 101.4-fl oz bottle

SunGrow Water Conditioner Balls for Betta, Tropical Fish Tank Decorations & Aquarium Water Enha...

Aqueon AquaPacs Aquarium Sludge Remover, 12 pack, 10-gal

Aqueon Shrimp Essentials Shrimp & Crayfish Freshwater Aquarium Trace Minerals, 4-fl oz bottle

API Pond Accu-Clear Clarifier, 1-gal bottle

API Stress Coat with Pump Aquarium Water Conditioner, 16-fl oz bottle

Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 4-fl oz bottle

Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle

Dr. Tim's Aquatics Betta Waste-Away Water Conditioner, 4-fl oz bottle

Fritz ParaCleanse Aquarium Water Treatment, 20 count

API Aquarium Starter Kit

biOrb Aquarium Service Kit 3 Plus Water Optimizer

Aqueon PURE Sludge Bomb Water Conditioner

API Stress Zyme Freshwater & Saltwater Aquarium Cleaning Solution, 32-fl oz bottle

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

API Pond Ammo-Lock Pond Water Ammonia Detoxifier, 16-oz bottle

Fluval Ammonia Remover Nylon Filter Bags, 3 count

Tetra AquaSafe Aquarium Water Conditioner, 8.45-fl oz bottle

Microbe-Lift Special Blend Salt & Fresh Water Eco System in a Bottle, 8.5-oz bottle

Ruby Reef Rally PRO Aquarium Water Treatment, 64-fl oz bottle

Fluval Sea Magnesium Aquarium Water Conditioner, 8-oz bottle

Dr. Tim's Aquatics Ammonium Chloride Solution Aquarium Cleaner, 4-fl oz bottle

Aqueon PURE Pond Bomb Water Conditioner

Fritz FixIck Aquarium Water Treatment, 16-fl oz bottle

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

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