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Aquarium Water Conditioners for New Fish

API Marine Quick Start Aquarium Water Conditioner, 16-fl oz bottle

Rated 4.6 out of 5 stars
18
$19.99 Chewy Price
($1.25/fl oz) Price per Unit
$27.98 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 4.6 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
Free 365-day returns

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DrTim'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
Free 365-day returns

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HydrOasis Jungle Water Bundle Fish Plant

Rated 5 out of 5 stars
1
$24.99 Chewy Price
Autoship Price
  • Live Plant

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 2 and Sep 6

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

Rated 4.8 out of 5 stars
17
$15.70 Chewy Price
($0.99/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

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

Rated 4.9 out of 5 stars
10
$30.75 Chewy Price
($1.93/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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DrTim's Aquatics Clear-Up Saltwater Aquarium Cleaner, 8-fl oz bottle

Rated 5 out of 5 stars
2
$22.99 Chewy Price
($2.88/oz) Price per Unit
$30.99 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
2
$53.29 Chewy Price
($13.46/gl) Price per Unit
$62.69 List Price
Autoship Price

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

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

Rated 4.9 out of 5 stars
16
$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

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DrTim'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

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

Rated 4.6 out of 5 stars
18
$9.52 Chewy Price
($0.80/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

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DrTim'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

HydrOasis Discus Bundle Fish Plant

Rated 5 out of 5 stars
1
$22.99 Chewy Price
Autoship Price
  • Live Plant

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 2 and Sep 6

API Goldfish Protect Aquarium Water Conditioner, 4-fl oz bottle

Rated 4.8 out of 5 stars
27
$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

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

Rated 4.6 out of 5 stars
9
$24.22 Chewy Price
($1.52/oz) Price per Unit
$28.99 List Price
Autoship Price

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

Aquascape Alkalinity Booster Fish, 7-lb bucket

Rated 4.5 out of 5 stars
2
$38.85 Chewy Price
($5.55/lb) Price per Unit
$39.99 List Price
Autoship Price

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

API Betta Aquarium Water Conditioner, 1.7-fl oz bottle

Rated 4.7 out of 5 stars
38
$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

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

Rated 4.7 out of 5 stars
48
$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

ASF Freshwater Aquarium Cichlid Salt, 400-g jar

$11.11 Chewy Price
($0.03/g) Price per Unit
$12.99 List Price
Autoship Price

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

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DrTim's Aquatics Reef Eco-Balance Marine Aquarium Cleaner, 4-fl oz bottle

Rated 5 out of 5 stars
3
$14.99 Chewy Price
($3.75/oz) Price per Unit
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 4.5 out of 5 stars
15
$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

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

Rated 4.7 out of 5 stars
22
$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

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DrTim's Aquatics Betta First Defense Water Conditioner, 4-fl oz bottle

Rated 5 out of 5 stars
1
$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

Microbe-Lift Aquatic Stress Relief Aquarium Treatment, 8-oz bottle

Rated 4.5 out of 5 stars
2
$8.49 Chewy Price
($1.07/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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DrTim's Aquatics First Defense Freshwater Aquarium Cleaner, 8-fl oz bottle

Rated 4.6 out of 5 stars
21
$14.99 Chewy Price
($1.88/fl 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

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

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DrTim's Aquatics Reef Re-Fresh Marine Aquarium Cleaner, 8-fl oz bottle

Rated 4.1 out of 5 stars
16
$26.99 Chewy Price
($3.38/fl oz) Price per Unit
$44.99 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
45
$31.00 Chewy Price
$36.99 List Price
Autoship Price

Free delivery on first-time orders over $35
Free 365-day returns
Arrives between Sep 4 and Sep 8

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

Rated 5 out of 5 stars
10
$4.92 Chewy Price
($3.94/fl oz) Price per Unit
$5.78 List Price
Autoship Price

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

Zoo Med Betta H2O Conditioner, 0.5-fl oz

Rated 4.2 out of 5 stars
21
$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

Out of Stock

Lifegard Pond Cleaner & Sludge Remover Pond Treatment, 128-fl oz bottle

Rated 5 out of 5 stars
5

Free delivery on first-time orders
Free 365-day returns
Arrives between Sep 5 and Sep 9

Out of Stock

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

Rated 4.7 out of 5 stars
148

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

Out of Stock

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

Rated 4.5 out of 5 stars
4

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

Out of Stock

HydrOasis Catappa Leaves Large Fish Plant, 10 count

Rated 5 out of 5 stars
2

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

Out of Stock

Fritz ParaCleanse Aquarium Water Treatment, 10 count

Rated 4.1 out of 5 stars
31

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

Out of Stock

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

Rated 4.7 out of 5 stars
16

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

Save 5% on repeat deliveries

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