Aquarium Water Conditioners for New Fish

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API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 1 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 2 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 3 of 6
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API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 1 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 2 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 3 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 4 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 5 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 6 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 1 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 2 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 3 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 4 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 5 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 6 of 6
Slide 1 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 1 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 2 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 3 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 4 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 5 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 6 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 1 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 2 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 3 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 4 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 5 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 6 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 1 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 2 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 3 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 4 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 5 of 6
API Stress Coat Aquarium Water Conditioner, 16-fl oz bottle slide 6 of 6

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

Rated 4.8 out of 5 stars
703
$10.98 Chewy Price
($0.69/fl oz) Price per Unit
$15.38 List Price
$10.43 Autoship Price

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

Fritz Algae Clean Out Aquarium Water Treatment, 16-fl oz bottle

Rated 4 out of 5 stars
42
$15.99 Chewy Price
($1.00/fl oz) Price per Unit
$19.99 List Price

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

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Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 1 of 3
Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 2 of 3
Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 3 of 3
Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 1 of 3
Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 2 of 3
Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 3 of 3
Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 1 of 3
Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 2 of 3
Dr. Tim's Aquatics Axolotl One & Only Water Conditioner, 2-fl oz bottle slide 3 of 3

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

Rated 5 out of 5 stars
1
$14.53 Chewy Price
($7.27/fl oz) Price per Unit
$16.99 List Price
$13.80 Autoship Price

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

Slide 1 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 1 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 2 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 3 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 4 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 5 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 6 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 7 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 8 of 9
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Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 1 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 2 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 3 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 4 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 5 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 6 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 7 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 8 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 9 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 1 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 2 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 3 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 4 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 5 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 6 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 7 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 8 of 9
Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle slide 9 of 9

Tetra AquaSafe Plus Freshwater & Marine Aquarium Water Conditioner, 33.8-fl oz bottle

Rated 4.8 out of 5 stars
376
$21.79 Chewy Price
($0.65/fl oz) Price per Unit
$20.70 Autoship Price

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

Aqueon Tap Water Conditioner, 1-gal bottle

Rated 4.7 out of 5 stars
141
$36.99 Chewy Price
($36.99/gl) Price per Unit
$48.99 List Price
$35.14 Autoship Price

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

API Tap Water Conditioner, 16-fl oz bottle

Rated 4.8 out of 5 stars
453
$8.48 Chewy Price
($0.53/fl oz) Price per Unit
$11.98 List Price
$8.06 Autoship Price

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

Fluval Cycle Biological Booster Water Conditioner, 16.9-fl oz bottle

Rated 4.6 out of 5 stars
64
$21.89 Chewy Price
($1.30/fl oz) Price per Unit
$22.99 List Price
$20.80 Autoship Price

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

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

Rated 4.7 out of 5 stars
115
$19.99 Chewy Price
($0.63/fl oz) Price per Unit
$24.99 List Price

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

Kordon NovAqua Plus Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.3 out of 5 stars
18
$7.79 Chewy Price
($0.49/fl oz) Price per Unit
$16.36 List Price
$7.40 Autoship Price

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

Aqueon PURE Bacteria Supplement, 10-gal, 12 count

Rated 4.5 out of 5 stars
42
$13.99 Chewy Price
($1.17/ea) Price per Unit
$19.99 List Price
$13.29 Autoship Price

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

SunGrow Betta Fish Indian Almond Leaves, Water Conditioner & Tank Treatment for Freshwater Aqua...

Rated 4.5 out of 5 stars
143
$6.93 Chewy Price
$9.99 List Price
$6.58 Autoship Price

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

API Quick Start Freshwater & Saltwater Aquarium Water Treatment, 16-fl oz bottle

Rated 4.6 out of 5 stars
197
$17.38 Chewy Price
($1.09/fl oz) Price per Unit
$24.38 List Price
$16.51 Autoship Price

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

Fritz Complete Full-Spectrum Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.8 out of 5 stars
46
$15.99 Chewy Price
($1.00/fl oz) Price per Unit
$19.99 List Price

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

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

Rated 5 out of 5 stars
1
$13.37 Chewy Price
($3.35/fl oz) Price per Unit
$13.99 List Price
$12.70 Autoship Price

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

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

Rated 4.6 out of 5 stars
187
$13.87 Chewy Price
($0.83/fl oz) Price per Unit
$15.59 List Price
$13.18 Autoship Price

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

API Pond Stress Coat Water Conditioner, 1-gal bottle

Rated 4.9 out of 5 stars
108
$54.99 Chewy Price
($54.99/gl) Price per Unit
$103.48 List Price
$52.24 Autoship Price

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

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

Rated 4.8 out of 5 stars
219
$15.49 Chewy Price
($0.97/fl oz) Price per Unit
$22.78 List Price
$14.72 Autoship Price

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

Fluval Total Protection Water Conditioner, 16.9-fl oz bottle

Rated 4.6 out of 5 stars
27
$10.49 Chewy Price
($0.63/fl oz) Price per Unit
$9.97 Autoship Price

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

Aqueon Ammonia Neutralizer Water Conditioner, 16-fl oz bottle

Rated 4.6 out of 5 stars
40
$8.99 Chewy Price
($0.57/fl oz) Price per Unit
$14.49 List Price
$8.54 Autoship Price

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

Tetra AquaSafe Aquarium Water Conditioner, 1.69-fl oz bottle

Rated 5 out of 5 stars
38
$4.98 Chewy Price
($2.95/fl oz) Price per Unit
$5.46 List Price
$4.73 Autoship Price

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

Tetra Easy Balance Aquarium Water Conditioner, 3.38-oz bottle

Rated 4.6 out of 5 stars
16
$6.27 Chewy Price
($1.86/oz) Price per Unit
$7.29 List Price

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

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

Rated 4.4 out of 5 stars
57
$13.99 Chewy Price
($0.88/oz) Price per Unit
$17.48 List Price
$13.29 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
20
$12.55 Chewy Price
($0.79/fl oz) Price per Unit
$21.78 List Price
$11.92 Autoship Price

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

Fritz Clarifier Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.4 out of 5 stars
7
$11.99 Chewy Price
($0.75/fl oz) Price per Unit
$19.99 List Price

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

Dr. Tim's Aquatics Ammonium Chloride Solution for Cycling Aquariums, 2-fl oz bottle

Rated 4.6 out of 5 stars
65
$5.79 Chewy Price
($2.90/fl oz) Price per Unit
$7.99 List Price
$5.50 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
47
$5.52 Chewy Price
($1.64/fl oz) Price per Unit
$6.29 List 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, 33.8-fl oz bottle

Rated 4.3 out of 5 stars
36
$4.48 Chewy Price
($0.14/fl oz) Price per Unit
$4.99 List Price
$4.26 Autoship Price

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

API Aqua Essential Aquarium Treatment, 8-fl oz bottle

Rated 4.6 out of 5 stars
66
$8.68 Chewy Price
($1.09/fl oz) Price per Unit
$12.28 List Price
$8.25 Autoship Price

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

Fluval Biological Cleaner Water Conditioner, 8.4-fl oz bottle

Rated 4.7 out of 5 stars
28
$13.99 Chewy Price
($1.67/fl oz) Price per Unit
$15.99 List Price
$13.29 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 4.6 out of 5 stars
22
$3.49 Chewy Price
($0.88/fl oz) Price per Unit
$9.99 List Price
$3.32 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 4.3 out of 5 stars
30
$5.14 Chewy Price
($1.29/fl oz) Price per Unit
$5.98 List Price
$4.88 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
$9.84 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
76
$9.32 Chewy Price
($1.11/fl oz) Price per Unit
$10.89 List Price
$8.85 Autoship Price

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

Aqueon PURE Sludge Bomb Water Conditioner

Rated 4.2 out of 5 stars
24
$21.95 Chewy Price
$21.99 List Price
$20.85 Autoship Price

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

Fritz ParaCleanse Aquarium Water Treatment, 10 count

Rated 4 out of 5 stars
20
$13.59 Chewy Price
($1.36/ea) Price per Unit
$16.99 List Price

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

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

Rated 4.6 out of 5 stars
8
$8.06 Chewy Price
($0.50/fl oz) Price per Unit
$11.99 List Price
$7.66 Autoship Price

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

Save 5% on repeat deliveries

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