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 3 (Free Shipping)

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API Marine Stress Coat Saltwater Aquarium Water Conditioner, 16-fl oz bottle slide 2 of 7

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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

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Dr. Tim's Aquatics Eco-Balance Koi Ponds & Water Gardens Cleaner, 32-fl oz bottle slide 2 of 8

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Dr. Tim's Aquatics Eco-Balance Koi Ponds & Water Gardens Cleaner, 32-fl oz bottle

Rated 5 out of 5 stars

2

$31.39 Chewy Price

($0.99/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

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Microbe-Lift Xtreme Aquarium Water Treatment, 8-oz bottle slide 2 of 5

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

Rated 4.7 out of 5 stars

10

$10.85 Chewy Price

($1.36/oz) Price per Unit

$11.85 List Price

Autoship Price

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

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Aqueon AquaPacs Aquarium Water Clarifier, 4 pack, 10-gal slide 2 of 9

Aqueon AquaPacs Aquarium Water Clarifier, 4 pack, 10-gal slide 3 of 9

Aqueon AquaPacs Aquarium Water Clarifier, 4 pack, 10-gal slide 4 of 9

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Aqueon AquaPacs Aquarium Water Clarifier, 4 pack, 10-gal

Rated 3.8 out of 5 stars

18

$6.71 Chewy Price

($0.17/gl) Price per Unit

$9.99 List Price

Autoship Price

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

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

Rated 3.7 out of 5 stars

18

$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

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

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
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
Free 365-day returns

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

Rated 4.3 out of 5 stars

9

$5.98 Chewy Price

($4.79/fl oz) Price per Unit

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 4.2 out of 5 stars

28

$12.79 Chewy Price

($1.28/ea) Price per Unit

$15.99 List Price

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 Freshwater Aquariums, 8-fl oz bottle...

Rated 3.4 out of 5 stars

60

$53.59 Chewy Price

($6.70/fl oz) Price per Unit

$65.99 List Price

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

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

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Reef Aquariums, 4-fl oz bottle

$13.49 Chewy Price

($3.38/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

Dr. Tim's Aquatics Koi & Water Garden AquaCleanse Aquarium Cleaner, 16-fl oz bottle

$16.59 Chewy Price

($1.04/oz) Price per Unit

$20.99 List Price

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

Activ-Betta Bio-Activ Live Aqueous Solution Betta Water, 1-gallon jug

Rated 4.2 out of 5 stars

5

$10.98 Chewy Price

($10.98/gl) Price per Unit

$15.99 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

AquaForest Perfect Water for Aquariums, 1.32-gal

Rated 5 out of 5 stars

2

$9.99 Chewy Price

($7.57/gl) Price per Unit

Autoship Price

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

API Betta Aquarium Water Conditioner, 1.7-fl oz bottle

Rated 4.6 out of 5 stars

31

$4.08 Chewy Price

($2.40/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

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

Aqueon Betta Water Renewal Conditioner, 4-oz bottle

Rated 3 out of 5 stars

2

$5.99 Chewy Price

($1.50/oz) Price per Unit

Autoship Price

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

Microbe-Lift Aquatic Stress Relief Aquarium Treatment, 16-oz bottle

Rated 4.5 out of 5 stars

2

$10.36 Chewy Price

($0.65/oz) Price per Unit

$17.99 List Price

Autoship Price

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

Coralife BioCube Marine Salt Fish Aquarium Care, 30-gram

Rated 5 out of 5 stars

3

$13.90 Chewy Price

($0.47/g) Price per Unit

$21.99 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 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

GloFish Betta Aquarium Water Conditioner, 2-fl oz bottle

$4.57 Chewy Price

($2.29/fl oz) Price per Unit

$6.19 List Price

Autoship Price

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

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

Rated 4.7 out of 5 stars

3

$48.59 Chewy Price

($1.52/fl oz) Price per Unit

Autoship Price

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

Dr. Tim's Aquatics Axolotl First Defense Water Conditioner, 4-fl oz bottle

Rated 3 out of 5 stars

2

$13.99 Chewy Price

($3.50/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 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
Free 365-day returns

AquaForest Component 1+2+3+ Aquarium Solution, 3.96-gal

Rated 5 out of 5 stars

1

$62.69 Chewy Price

($15.84/gl) Price per Unit

Autoship Price

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

Microbe-Lift Goldfish Care Bowl Cleaner, 2-oz bottle

$4.95 Chewy Price

($2.48/oz) Price per Unit

Autoship Price

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

Aqueon Betta Bowl Plus Water Conditioner, 4-fl oz bottle

Rated 4.8 out of 5 stars

67

$5.34 Chewy Price

($1.34/fl oz) Price per Unit

$6.49 List Price

Autoship Price

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

Fritz RPM Elements Magnesium Aquarium Water Treatment, 1-gal bottle

Rated 5 out of 5 stars

5

$39.99 Chewy Price

($39.99/gl) Price per Unit

Autoship Price

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

Dr. Tim's Aquatics Betta Water Conditioner, 32-fl oz bottle

$7.87 Chewy Price

($0.25/fl 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

AquaZen Aquarium Water Conditioner - Clarifier, 8.45-fl oz bottle

$12.99 Chewy Price

($1.54/fl oz) Price per Unit

Autoship Price

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

Aquarium & Fish Tank Water Conditioner & Dechlorinator

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

Dr. Tim's Aquatics Eco-Balance Koi Ponds & Water Gardens Cleaner, 32-fl oz bottle

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

Aqueon AquaPacs Aquarium Water Clarifier, 4 pack, 10-gal

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

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

API Quick Start Freshwater & Saltwater Aquarium Nitrifying Bacteria, 32-fl oz bottle

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

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

Fritz Expel-P Aquarium Water Treatment, 10 count

Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, 8-fl oz bottle...

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

Microbe-Lift Parazoryne Parastic Disease Water Conditioner, 16-oz bottle

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

Dr. Tim's Aquatics Waste-Away Natural Aquarium Cleaner for Reef Aquariums, 4-fl oz bottle

Dr. Tim's Aquatics Koi & Water Garden AquaCleanse Aquarium Cleaner, 16-fl oz bottle

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

Activ-Betta Bio-Activ Live Aqueous Solution Betta Water, 1-gallon jug

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

AquaForest Perfect Water for Aquariums, 1.32-gal

API Betta Aquarium Water Conditioner, 1.7-fl oz bottle

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

Aqueon Betta Water Renewal Conditioner, 4-oz bottle

Microbe-Lift Aquatic Stress Relief Aquarium Treatment, 16-oz bottle

Coralife BioCube Marine Salt Fish Aquarium Care, 30-gram

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

GloFish Betta Aquarium Water Conditioner, 2-fl oz bottle

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

Dr. Tim's Aquatics Axolotl First Defense Water Conditioner, 4-fl oz bottle

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

AquaForest Component 1+2+3+ Aquarium Solution, 3.96-gal

Microbe-Lift Goldfish Care Bowl Cleaner, 2-oz bottle

Aqueon Betta Bowl Plus Water Conditioner, 4-fl oz bottle

Fritz RPM Elements Magnesium Aquarium Water Treatment, 1-gal bottle

Dr. Tim's Aquatics Betta Water Conditioner, 32-fl oz bottle

AquaZen Aquarium Water Conditioner - Clarifier, 8.45-fl oz bottle

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