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 4 (Free Shipping)

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Lifegard Water Conditioner & Stress Reliever Fish Pond Treatment, 32-fl oz bottle slide 2 of 8

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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 Apr 13 and Apr 17

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Zoo Med Betta H2O Conditioner, 0.5-fl oz slide 2 of 2

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Zoo Med Betta H2O Conditioner, 0.5-fl oz

Rated 4.1 out of 5 stars

17

$4.99 Chewy Price

($9.98/fl oz) Price per Unit

Autoship Price

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

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Fluval Sea Iodine Aquarium Water Conditioner, 8-oz bottle slide 2 of 5

Fluval Sea Iodine Aquarium Water Conditioner, 8-oz bottle slide 3 of 5

Fluval Sea Iodine Aquarium Water Conditioner, 8-oz bottle slide 4 of 5

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Fluval Sea Iodine Aquarium Water Conditioner, 8-oz bottle

Rated 5 out of 5 stars

3

$8.92 Chewy Price

($1.12/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

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Dr. Tim's Aquatics Marine Waste-Away Gel Water Conditioner, Medium: 50-gal, 2 count slide 2 of 2

Dr. Tim's Aquatics Marine Waste-Away Gel Water Conditioner, Medium: 50-gal, 2 count

$31.19 Chewy Price

($15.60/ea) Price per Unit

$38.99 List Price

Autoship Price

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

Coralife Marine PURE Water Care Bacteria Supplement, 4 pack

Rated 4.8 out of 5 stars

6

$11.95 Chewy Price

($2.99/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 Freshwater Waste-Away Aquarium Cleaner, 4-fl oz bottle

$11.89 Chewy Price

($2.98/oz) Price per Unit

$14.99 List Price

Autoship Price

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

Bundle and Save 5%

Bundle: Aqueon Betta Bowl Plus Water Conditioner + Betta Fish Food

Rated 5 out of 5 stars

1

$9.05 Chewy Price

$9.53 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 Betta Water Conditioner, Small, 2 count

Rated 5 out of 5 stars

1

$19.29 Chewy Price

($9.65/ea) Price per Unit

$23.99 List Price

Autoship Price

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

API Splendid Betta Complete Aquarium Water Conditioner, 1.25-fl oz bottle

Rated 5 out of 5 stars

10

$5.78 Chewy Price

($4.63/fl oz) Price per Unit

Autoship Price

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

Ruby Reef HydroPlex Aquarium Water Treatment, 64-fl oz bottle

Rated 4.6 out of 5 stars

8

$30.25 Chewy Price

($0.48/fl oz) Price per Unit

$36.99 List Price

Autoship Price

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

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

$8.56 Chewy Price

($0.27/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

Dr. Tim's Aquatics Reef First Defense Marine Aquarium Cleaner, 4-fl oz bottle

Rated 5 out of 5 stars

1

$12.79 Chewy Price

($3.20/oz) Price per Unit

$15.99 List Price

Autoship Price

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

Fluval Sea Calcium Aquarium Water Conditioner, 8-oz bottle

Rated 4.8 out of 5 stars

4

$8.50 Chewy Price

($1.07/oz) Price per Unit

$9.87 List Price

Autoship Price

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

Dr. Tim's Aquatics Reef Waste-Away Marine Aquarium Cleaner, 64-fl oz bottle

Rated 5 out of 5 stars

1

$69.19 Chewy Price

($1.09/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 Betta One & Only Water Conditioner, 2-fl oz bottle

Rated 5 out of 5 stars

1

$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 Freshwater Waste-Away Gel Water Conditioner, Large: 100-gal, 1 count

$22.69 Chewy Price

($22.69/ea) Price per Unit

$27.99 List Price

Autoship Price

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

Laguna Water Prep Aquarium Water Maintenance Solution, 67.5-oz

$48.99 Chewy Price

($0.73/oz) Price per Unit

Autoship Price

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

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

Rated 4.5 out of 5 stars

12

$13.47 Chewy Price

($0.12/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

Dr. Tim's Aquatics Re-Fresh Saltwater Aquarium Cleaner, 128-fl oz bottle

$301.59 Chewy Price

($2.36/fl oz) Price per Unit

Autoship Price

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

Microbe-Lift Sabbactisun All-Natural Expellant Aquarium Bacterial Disease Water Conditioner, 16...

Rated 4.6 out of 5 stars

9

$22.95 Chewy Price

($1.44/oz) Price per Unit

Autoship Price

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

Hydrospace PNS HomeGro Fish Aquarium Bacteria, Blue, 2.5-gal

$145.99 Chewy Price

($58.40/gl) Price per Unit

$150.99 List Price

Autoship Price

Contains Live Feed

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

Ruby Reef Rally NANO Formula Aquarium Water Treatment, 8-fl oz bottle

Rated 4.7 out of 5 stars

3

$8.99 Chewy Price

($1.13/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 Re-Fresh Freshwater Aquarium Cleaner, 32-fl oz bottle

$77.39 Chewy Price

($2.42/fl oz) Price per Unit

Autoship Price

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

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

Rated 4.5 out of 5 stars

4

$28.99 Chewy Price

($28.99/gl) Price per Unit

Autoship Price

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

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

Rated 2.8 out of 5 stars

4

$14.99 Chewy Price

($3.75/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 AquaCleanse Saltwater Aquarium Cleaner, 8-fl oz bottle

$13.89 Chewy Price

($1.74/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 AquaCleanse Freshwater Aquarium Cleaner, 16-fl oz bottle

Rated 5 out of 5 stars

1

$15.99 Chewy Price

($1.00/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

Dr. Tim's Aquatics Waste-Away Freshwater Aquarium Cleaner, 64-fl oz bottle

Rated 5 out of 5 stars

1

$61.89 Chewy Price

($0.97/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 One & Only Live Nitrifying Bacteria for Freshwater Aquariums, 16-fl oz bottl...

$98.89 Chewy Price

($6.19/oz) Price per Unit

$120.99 List Price

Autoship Price

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

Laguna Bio Booster, 16-oz

$38.99 Chewy Price

($2.44/oz) Price per Unit

Autoship Price

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

ASF Reef Shots Probiotics Aquarium Treatment, 16-oz bag

$19.99 Chewy Price

($1.25/oz) Price per Unit

$23.99 List Price

Autoship Price

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

Dr. Tim's Aquatics Reef One & Only Marine Aquarium Cleaner, 32-fl oz bottle

$178.39 Chewy Price

($5.58/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 Re-Fresh Freshwater Aquarium Cleaner, 4-fl oz bottle

Rated 5 out of 5 stars

1

$18.69 Chewy Price

($4.68/oz) Price per Unit

$22.99 List Price

Autoship Price

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

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

$11.29 Chewy Price

($2.83/fl 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

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

Rated 5 out of 5 stars

3

$29.99 Chewy Price

($29.99/gl) Price per Unit

Autoship Price

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

Dr. Tim's Aquatics First Defense Saltwater Aquarium Cleaner, 4-fl oz bottle

$12.79 Chewy Price

($3.20/oz) Price per Unit

$15.99 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

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

Zoo Med Betta H2O Conditioner, 0.5-fl oz

Fluval Sea Iodine Aquarium Water Conditioner, 8-oz bottle

Dr. Tim's Aquatics Marine Waste-Away Gel Water Conditioner, Medium: 50-gal, 2 count

Coralife Marine PURE Water Care Bacteria Supplement, 4 pack

Dr. Tim's Aquatics Freshwater Waste-Away Aquarium Cleaner, 4-fl oz bottle

Dr. Tim's Aquatics Waste-Away Gel Betta Water Conditioner, Small, 2 count

API Splendid Betta Complete Aquarium Water Conditioner, 1.25-fl oz bottle

Ruby Reef HydroPlex Aquarium Water Treatment, 64-fl oz bottle

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

Dr. Tim's Aquatics Reef First Defense Marine Aquarium Cleaner, 4-fl oz bottle

Fluval Sea Calcium Aquarium Water Conditioner, 8-oz bottle

Dr. Tim's Aquatics Reef Waste-Away Marine Aquarium Cleaner, 64-fl oz bottle

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

Dr. Tim's Aquatics Freshwater Waste-Away Gel Water Conditioner, Large: 100-gal, 1 count

Laguna Water Prep Aquarium Water Maintenance Solution, 67.5-oz

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

Dr. Tim's Aquatics Re-Fresh Saltwater Aquarium Cleaner, 128-fl oz bottle

Microbe-Lift Sabbactisun All-Natural Expellant Aquarium Bacterial Disease Water Conditioner, 16...

Hydrospace PNS HomeGro Fish Aquarium Bacteria, Blue, 2.5-gal

Ruby Reef Rally NANO Formula Aquarium Water Treatment, 8-fl oz bottle

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

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

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

Dr. Tim's Aquatics AquaCleanse Saltwater Aquarium Cleaner, 8-fl oz bottle

Dr. Tim's Aquatics AquaCleanse Freshwater Aquarium Cleaner, 16-fl oz bottle

Dr. Tim's Aquatics Waste-Away Freshwater Aquarium Cleaner, 64-fl oz bottle

Dr. Tim's Aquatics One & Only Live Nitrifying Bacteria for Freshwater Aquariums, 16-fl oz bottl...

Laguna Bio Booster, 16-oz

ASF Reef Shots Probiotics Aquarium Treatment, 16-oz bag

Dr. Tim's Aquatics Reef One & Only Marine Aquarium Cleaner, 32-fl oz bottle

Dr. Tim's Aquatics Re-Fresh Freshwater Aquarium Cleaner, 4-fl oz bottle

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

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

Dr. Tim's Aquatics First Defense Saltwater Aquarium Cleaner, 4-fl oz bottle

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