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)

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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

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API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle slide 2 of 7

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

Rated 4.4 out of 5 stars

66

$13.99 Chewy Price

($0.88/oz) Price per Unit

$17.48 List Price

Autoship Price

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

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API Pond Chlorine & Heavy Metal Neutralizer, 32-fl oz bottle slide 2 of 7

API Pond Chlorine & Heavy Metal Neutralizer, 32-fl oz bottle slide 3 of 7

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

Rated 4.8 out of 5 stars

94

$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

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Aqueon Shrimp Essentials Shrimp & Crayfish Freshwater Aquarium Trace Minerals, 4-fl oz bottle slide 2 of 6

Aqueon Shrimp Essentials Shrimp & Crayfish Freshwater Aquarium Trace Minerals, 4-fl oz bottle slide 3 of 6

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

Rated 4.7 out of 5 stars

34

$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
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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

Microbe-Lift Xtreme Aquarium Water Treatment, 8-oz bottle

Rated 4.7 out of 5 stars

10

$11.22 Chewy Price

($1.41/oz) Price per Unit

$12.99 List Price

Autoship Price

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

Python Multi Purpose Bio-Clean Aquarium Water Care, 1-fl oz bottle

Rated 4.7 out of 5 stars

10

$3.21 Chewy Price

($3.21/fl oz) Price per Unit

$3.49 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

33

$21.99 Chewy Price

($0.69/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

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

Rated 4.4 out of 5 stars

31

$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

SunGrow Mini Freshwater Indian Almond Leaves Aquarium Water Conditioner for Betta Fish & Shrimp...

Rated 4.3 out of 5 stars

50

$7.30 Chewy Price

($0.15/ea) Price per Unit

$9.99 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Tetra AquaSafe Aquarium Water Conditioner, 1.69-fl oz bottle

Rated 5 out of 5 stars

41

$3.77 Chewy Price

($2.24/fl oz) Price per Unit

$6.29 List Price

Autoship Price

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

Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle

Rated 4.7 out of 5 stars

26

$3.49 Chewy Price

($0.88/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 Aquarium Start-Up Pack

Rated 4.7 out of 5 stars

19

$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

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

Rated 3.4 out of 5 stars

60

$24.99 Chewy Price

($6.25/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

Aqueon PURE Pond Bomb Water Conditioner

Rated 4.3 out of 5 stars

29

$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

Microbe-Lift PL GEL Filter Pad Bacterial Inoculant, 16-oz bottle

Rated 5 out of 5 stars

6

$18.41 Chewy Price

($1.16/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 Goldfish Aquarium Cleaner, 4-fl oz bottle

Rated 4.4 out of 5 stars

35

$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

Lifegard Water Conditioner & Stress Reliever Fish Pond Treatment, 32-fl oz bottle

Rated 4.5 out of 5 stars

4

$22.01 Chewy Price

($0.69/fl oz) Price per Unit

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 22 and Jul 27

Fritz FixIck Aquarium Water Treatment, 16-fl oz bottle

Rated 4.6 out of 5 stars

9

$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
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API Aquarium Water Conditioner & Tropical Fish Food Kit

Rated 4.9 out of 5 stars

9

$32.59 Chewy Price

$42.88 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

12

$14.24 Chewy Price

($1.19/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

Tetra AquaSafe Freshwater & Marine Aquarium Water Conditioner & Dechlorinator, 3.38-fl oz

Rated 4.8 out of 5 stars

58

$5.52 Chewy Price

($1.64/fl oz) Price per Unit

$6.29 List Price

Autoship Price

Free 1-3 day delivery on first-time orders over $35
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API Stress Coat with Pump Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.7 out of 5 stars

47

$16.82 Chewy Price

($1.06/fl oz) Price per Unit

$16.98 List Price

Autoship Price

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

Microbe-Lift Gravel & Substrate Cleaner, 16-oz bottle

Rated 5 out of 5 stars

4

$16.16 Chewy Price

($1.01/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

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Dr. Tim's Aquatics Eco-Balance Freshwater Aquarium Cleaner, 4-fl oz bottle

$10.89 Chewy Price

($2.73/oz) Price per Unit

$13.99 List Price

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

$13.74 Chewy Price

($1.72/oz) Price per Unit

Autoship Price

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

Aqueon Betta Water Renewal Conditioner, 4-oz bottle

Rated 3 out of 5 stars

2

$4.47 Chewy Price

($1.12/oz) Price per Unit

$5.99 List Price

Autoship Price

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

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

Lifegard Live Nitrifying Fish Pond Bacteria, 32-fl oz bottle

Rated 4.8 out of 5 stars

4

$28.12 Chewy Price

($0.88/fl oz) Price per Unit

Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Jul 22 and Jul 27

Fritz FritzZyme Trace Aquarium Water Treatment, 16-fl oz bottle

Rated 4.4 out of 5 stars

7

$12.08 Chewy Price

($0.76/fl oz) Price per Unit

$12.99 List Price

Autoship Price

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

Kordon AmQuel Plus Ammonia Detoxifier Aquarium Water Conditioner, 8-oz bottle

Rated 4.7 out of 5 stars

16

$10.24 Chewy Price

($1.28/oz) Price per Unit

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

$11.46 Chewy Price

($0.96/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

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

Rated 4.8 out of 5 stars

33

$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

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

Rated 4.6 out of 5 stars

14

$11.82 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

Fritz Casuarina Cones, 20 count

Rated 3 out of 5 stars

3

$12.99 Chewy Price

($0.65/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

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Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 2-fl oz bottle

Rated 4 out of 5 stars

36

$17.99 Chewy Price

($9.00/fl oz) Price per Unit

$27.99 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

Aqueon PURE Sludge Bomb Water Conditioner

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

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

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

GloFish Aquarium Water Conditioner, 4-fl oz bottle

Microbe-Lift Xtreme Aquarium Water Treatment, 8-oz bottle

Python Multi Purpose Bio-Clean Aquarium Water Care, 1-fl oz bottle

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

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

SunGrow Mini Freshwater Indian Almond Leaves Aquarium Water Conditioner for Betta Fish & Shrimp...

Tetra AquaSafe Aquarium Water Conditioner, 1.69-fl oz bottle

Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle

API Aquarium Start-Up Pack

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

Aqueon PURE Pond Bomb Water Conditioner

Microbe-Lift PL GEL Filter Pad Bacterial Inoculant, 16-oz bottle

API Goldfish Aquarium Cleaner, 4-fl oz bottle

Lifegard Water Conditioner & Stress Reliever Fish Pond Treatment, 32-fl oz bottle

Fritz FixIck Aquarium Water Treatment, 16-fl oz bottle

API Aquarium Water Conditioner & Tropical Fish Food Kit

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

Tetra AquaSafe Freshwater & Marine Aquarium Water Conditioner & Dechlorinator, 3.38-fl oz

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

Microbe-Lift Gravel & Substrate Cleaner, 16-oz bottle

Dr. Tim's Aquatics Eco-Balance Freshwater Aquarium Cleaner, 4-fl oz bottle

Fluval Sea Magnesium Aquarium Water Conditioner, 8-oz bottle

Aqueon Betta Water Renewal Conditioner, 4-oz bottle

API Aquarium Starter Kit

Lifegard Live Nitrifying Fish Pond Bacteria, 32-fl oz bottle

Fritz FritzZyme Trace Aquarium Water Treatment, 16-fl oz bottle

Kordon AmQuel Plus Ammonia Detoxifier Aquarium Water Conditioner, 8-oz bottle

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

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

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

Fritz Casuarina Cones, 20 count

Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 2-fl oz bottle

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