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Aquarium Water Conditioners for New Fish

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API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle slide 1 of 7
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API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle slide 1 of 7
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API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle slide 1 of 7
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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

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Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle slide 1 of 6
Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle slide 2 of 6
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Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle slide 1 of 6
Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle slide 2 of 6
Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle slide 3 of 6
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Microbe-Lift Nite Out II Marine Aquarium Water Treatment, 4-oz bottle slide 1 of 6
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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

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Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 1 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 2 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 3 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 4 of 7
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Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 1 of 7
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Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 4 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 5 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 6 of 7
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Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 1 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 2 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 3 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 4 of 7
Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle slide 5 of 7
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Aqueon Shrimp Tank Plus Freshwater Aquarium Water Conditioner, 4-fl oz bottle

Rated 4.7 out of 5 stars
27
$3.49 Chewy Price
($0.88/fl 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

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DrTim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 2-fl oz bottle slide 1 of 9
DrTim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 2-fl oz bottle slide 2 of 9
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DrTim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 2-fl oz bottle slide 1 of 9
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DrTim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 2-fl oz bottle slide 1 of 9
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DrTim's Aquatics One & Only Live Nitrifying Bacteria for Reef Aquariums, 2-fl oz bottle

Rated 4 out of 5 stars
36
$17.99 Chewy Price
($9.00/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

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

Rated 5 out of 5 stars
6
$38.49 Chewy Price
($38.49/gl) 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, 67.6-fl oz bottle

Rated 4.7 out of 5 stars
10
$30.11 Chewy Price
($0.45/fl oz) Price per Unit
$89.99 List Price
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
17
$6.27 Chewy Price
($1.86/oz) Price per Unit
$7.29 List Price
Autoship Price

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

Aqueon PURE Pond Bomb Water Conditioner

Rated 4.3 out of 5 stars
30
$21.95 Chewy Price
$21.99 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
$7.20 Chewy Price
($0.90/oz) Price per Unit
$8.50 List Price
Autoship Price

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

API Pond Accu-Clear Clarifier, 32-fl oz bottle

Rated 4.5 out of 5 stars
102
$25.98 Chewy Price
($0.82/fl oz) Price per Unit
$36.48 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 Gravel & Substrate Cleaner, 16-oz bottle

Rated 5 out of 5 stars
4
$15.24 Chewy Price
($0.96/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

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

Rated 4.2 out of 5 stars
46
$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

Tetra AquaSafe Aquarium Water Conditioner, 1.69-fl oz bottle

Rated 5 out of 5 stars
44
$5.52 Chewy Price
($3.27/fl oz) Price per Unit
$6.29 List Price
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
72
$6.99 Chewy Price
($1.75/fl oz) Price per Unit
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 4.4 out of 5 stars
35
$5.14 Chewy Price
($1.29/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

AquaForest Life Source Natural Mud for Aquariums, 33.84-fl oz

Rated 5 out of 5 stars
3
$48.39 Chewy Price
($1.43/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 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

Hydrospace PNS DeepCycle Fish Aquarium Substrate, Purple, 16-oz

Rated 5 out of 5 stars
1
$37.99 Chewy Price
($2.38/oz) Price per Unit
Autoship Price
  • Contains Live Feed

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

Fluval Sea Iodine Aquarium Water Conditioner, 8-oz bottle

Rated 5 out of 5 stars
3
$8.99 Chewy Price
($1.13/oz) Price per Unit
Autoship Price

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

API Pond Chlorine & Heavy Metal Neutralizer, 32-fl oz bottle

Rated 4.8 out of 5 stars
96
$26.98 Chewy Price
($0.85/fl oz) Price per Unit
$37.78 List Price
Autoship Price

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

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

Rated 4.8 out of 5 stars
33
$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

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

HydrOasis Dwarf Shrimp Bundle Fish Plant

Rated 5 out of 5 stars
1
$29.99 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

Tetra SafeStart Plus for Freshwater Aquariums, 8.45-fl oz bottle

Rated 4.9 out of 5 stars
11
$18.07 Chewy Price
($2.14/fl oz) Price per Unit
$22.89 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
$10.62 Chewy Price
$11.18 List Price
Autoship Price

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

DrTim's Aquatics Shrimp 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

AquaZen Aquarium Water Conditioner - Dechlorinator, 4.06-fl oz bottle

Rated 5 out of 5 stars
2
$6.99 Chewy Price
($1.73/fl oz) Price per Unit
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

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

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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

Lifegard Live Nitrifying Fish Pond Bacteria, 128-fl oz bottle

Rated 4.8 out of 5 stars
4
$68.24 Chewy Price
($0.54/fl oz) Price per Unit
$79.50 List Price
Autoship Price

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

API Aquarium Water Conditioner & Tropical Fish Food Kit

Rated 4.9 out of 5 stars
9
$32.59 Chewy Price
$42.88 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

Aqueon AquaPacs Aquarium Sludge Remover, 12 pack, 10-gal

Rated 4.2 out of 5 stars
12
$11.87 Chewy Price
($0.99/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

Save 5% on repeat deliveries

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