Free $30 eGift card with your $100 order

Cichlid Fish Water Conditioners

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
792
$10.98 Chewy Price
($0.69/fl oz) Price per Unit
$15.38 List Price
Autoship Price

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

Slide 1 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 1 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 2 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 3 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 4 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 5 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 1 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 2 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 3 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 4 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 5 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 1 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 2 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 3 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 4 of 5
SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detoxify Fish Tank Ammonia Remover, 6.7-oz bottle slide 5 of 5

SunGrow Tap Water Conditioner with Beneficial Bacteria for Freshwater Aquarium Treatments Detox...

Rated 4.6 out of 5 stars
19
$1.99 Chewy Price
($0.30/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

Slide 1 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 1 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 2 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 3 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 4 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 5 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 6 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 1 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 2 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 3 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 4 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 5 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 6 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 1 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 2 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 3 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 4 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 5 of 6
API Stress Zyme Freshwater & Saltwater Aquarium Water Cleaner, 16-fl oz bottle slide 6 of 6

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

Rated 4.8 out of 5 stars
243
$15.48 Chewy Price
($0.97/fl oz) Price per Unit
$22.78 List Price
Autoship Price

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

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

API Tap Water Conditioner, 16-fl oz bottle

Rated 4.8 out of 5 stars
534
$8.48 Chewy Price
($0.53/fl oz) Price per Unit
$11.98 List Price
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
210
$13.87 Chewy Price
($0.83/fl oz) Price per Unit
$15.59 List Price
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
226
$17.38 Chewy Price
($1.09/fl oz) Price per Unit
$24.38 List Price
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
46
$8.99 Chewy Price
($0.57/fl oz) Price per Unit
$14.49 List Price
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
33
$10.49 Chewy Price
($0.63/fl oz) Price per Unit
Autoship Price

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

DrTim's Aquatics Ammonium Chloride Solution for Cycling Aquariums, 2-fl oz bottle

Rated 4.6 out of 5 stars
76
$4.92 Chewy Price
($2.46/fl oz) Price per Unit
$7.99 List Price
Autoship Price

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

API Tap Water Conditioner Aquarium Water Conditioner, 32-fl oz bottle

Rated 4.8 out of 5 stars
114
$16.99 Chewy Price
($0.54/fl oz) Price per Unit
$22.58 List Price
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
179
$6.93 Chewy Price
$9.99 List Price
Autoship Price

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

Microbe-Lift Special Blend Salt & Fresh Water Eco System in a Bottle, 8.5-oz bottle

Rated 4.6 out of 5 stars
17
$12.99 Chewy Price
($1.53/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

Loading options...

Loading options...

DrTim'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

API Aqua Essential Aquarium Treatment, 16-fl oz bottle

Rated 4.6 out of 5 stars
83
$15.88 Chewy Price
($1.00/fl oz) Price per Unit
$22.28 List Price
Autoship Price

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

Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle

Rated 4.6 out of 5 stars
9
$7.49 Chewy Price
($1.88/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

Loading options...

Loading options...

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

Rated 3.5 out of 5 stars
62
$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

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

Rated 4.4 out of 5 stars
67
$12.48 Chewy Price
($0.78/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

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

Rated 5 out of 5 stars
6
$20.05 Chewy Price
($1.26/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

Loading options...

Loading options...

DrTim's Aquatics AquaCleanse Freshwater Aquarium Cleaner, 4-fl oz bottle

Rated 4.8 out of 5 stars
25
$6.99 Chewy Price
($1.75/oz) Price per Unit
$10.99 List Price
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 4.3 out of 5 stars
32
$38.24 Chewy Price
($1.20/fl oz) Price per Unit
$47.98 List Price
Autoship Price

Free 1-3 day delivery on first-time orders
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

Loading options...

Loading options...

DrTim's Aquatics Clear-Up Freshwater Aquarium Cleaner, 4-fl oz bottle

Rated 4.8 out of 5 stars
4
$12.99 Chewy Price
($3.25/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

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

Loading options...

Loading options...

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

Rated 4.7 out of 5 stars
7
$26.98 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

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

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

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

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

Hydrospace PNS ProBio Fish Aquarium Additive, Maroon, 16-fl oz

Rated 5 out of 5 stars
1
$30.99 Chewy Price
($1.94/oz) Price per Unit
Autoship Price
  • Contains Live Feed

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

Loading options...

Loading options...

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

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

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

Hydrospace PNS ProBio Fish Aquarium Additive, Maroon, 1-gal

$185.99 Chewy Price
($185.99/gl) Price per Unit
Autoship Price
  • Contains Live Feed

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

Out of Stock

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

Rated 5 out of 5 stars
3

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

Save 5% on repeat deliveries

Brand

7 Brands are shown below

Aquarium Type

Aquarium Concern

Fish Type

Deals & Savings

Price

Customer Rating