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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
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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
735
$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 8
API Freshwater Aquarium Master Test Kit, 800 count slide 1 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 2 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 3 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 1 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 5 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 8 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 1 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 2 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 3 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 4 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 5 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 7 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 8 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 1 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 2 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 3 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 4 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 5 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 6 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 8 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 1 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 2 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 7 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 8 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 1 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 2 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 4 of 8
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API Freshwater Aquarium Master Test Kit, 800 count slide 8 of 8

API Freshwater Aquarium Master Test Kit, 800 count

Rated 4.7 out of 5 stars
357
$25.75 Chewy Price
($0.04/ea) Price per Unit
$50.48 List Price
Autoship Price

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

Slide 1 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 1 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 2 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 3 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 4 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 5 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 1 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 2 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 3 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 4 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 5 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 1 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 2 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 3 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 4 of 5
API Pond Algaefix Algae Control Solution, 1-gal bottle slide 5 of 5

API Pond Algaefix Algae Control Solution, 1-gal bottle

Rated 4.5 out of 5 stars
444
$68.98 Chewy Price
($68.98/gl) Price per Unit
$96.98 List Price
Autoship Price

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

Slide 1 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 1 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 2 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 3 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 4 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 5 of 8
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API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 8 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 1 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 2 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 3 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 4 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 5 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 6 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 7 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 8 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 1 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 2 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 3 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 4 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 5 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 6 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 7 of 8
API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle slide 8 of 8

API Melafix Freshwater Fish Infection Remedy, 16-fl oz bottle

Rated 4.5 out of 5 stars
246
$14.38 Chewy Price
($0.90/fl oz) Price per Unit
$19.98 List Price
Autoship Price

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

API Turtle Sludge Destroyer Aquarium Cleaner, 8-oz bottle

Rated 4.6 out of 5 stars
297
$6.40 Chewy Price
($0.80/oz) Price per Unit
$12.18 List Price
Autoship Price

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

API Tap Water Conditioner, 16-fl oz bottle

Rated 4.8 out of 5 stars
479
$7.18 Chewy Price
($0.45/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

API Leaf Zone Freshwater Aquarium Plant Fertilizer, 16-oz bottle

Rated 4.6 out of 5 stars
103
$12.28 Chewy Price
($0.77/oz) Price per Unit
$17.18 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
209
$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

API Nitra-Zorb Aquarium Canister Filter Filtration Pouch, Size 6

Rated 4.3 out of 5 stars
51
$17.58 Chewy Price
($17.58/ea) Price per Unit
$24.78 List Price
Autoship Price

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

API Accu-Clear Freshwater Aquarium Clarifier, 8-fl oz bottle

Rated 4.5 out of 5 stars
307
$9.48 Chewy Price
($1.19/fl oz) Price per Unit
$13.28 List Price
Autoship Price

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

API Proper pH 7.0 Aquarium Water Treatment, 8.8-oz bottle

Rated 4.2 out of 5 stars
82
$11.18 Chewy Price
($1.28/oz) Price per Unit
$15.78 List Price
Autoship Price

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

API Root Tabs Aquarium Plant Fertilizer, 10 count

Rated 4.5 out of 5 stars
131
$9.98 Chewy Price
($1.00/ea) Price per Unit
$13.98 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
59
$13.99 Chewy Price
($0.88/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

API Pond Ecofix Sludge Destroyer Pond Water Clarifier & Sludge Remover, 16-fl oz bottle

Rated 4.6 out of 5 stars
54
$17.61 Chewy Price
($1.11/fl oz) Price per Unit
$23.98 List Price
Autoship Price

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

API Pimafix Freshwater & Saltwater Fish Fungal Infection Remedy, 16-oz bottle

Rated 4.3 out of 5 stars
105
$12.08 Chewy Price
($0.76/oz) Price per Unit
$16.88 List Price
Autoship Price

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

Bundle and Save 5%
Bundle: API Melafix Freshwater Fish Infection Remedy + Stress Coat Aquarium Water Conditioner
Rated 4.9 out of 5 stars
10
$24.09 Chewy Price
$25.36 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 Water Cleaner, 16-fl oz bottle

Rated 4.8 out of 5 stars
228
$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

API Turtle Fix Antibacterial Treatment, 8-fl oz bottle

Rated 4.7 out of 5 stars
119
$8.48 Chewy Price
($1.06/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

API Algaefix Algae Control Aquarium Solution, 16-fl oz bottle

Rated 4.1 out of 5 stars
226
$16.98 Chewy Price
($1.07/fl oz) Price per Unit
$23.78 List Price
Autoship Price

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

API Bio-Chem Zorb Aquarium Canister Filter Filtration Pouch, Size 6

Rated 4.6 out of 5 stars
32
$13.50 Chewy Price
($13.50/ea) Price per Unit
$20.18 List Price
Autoship Price

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

API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit

Rated 4.8 out of 5 stars
82
$11.98 Chewy Price
$16.78 List Price
Autoship Price

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

API pH Down Freshwater Aquarium Water Treatment, 16-oz bottle

Rated 4.6 out of 5 stars
81
$15.98 Chewy Price
($1.00/oz) Price per Unit
$20.58 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
70
$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

API Algae Pad for Glass Aquariums, 1 count

Rated 4.3 out of 5 stars
32
$4.08 Chewy Price
($4.08/ea) Price per Unit
$5.58 List Price
Autoship Price

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

API Pond-Zyme Sludge Destroyer Pond Sludge Remover, 16-oz bottle

Rated 4.5 out of 5 stars
118
$31.98 Chewy Price
($2.00/oz) Price per Unit
$44.98 List Price
Autoship Price

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

API LIQUID SUPER ICK CURE Freshwater & Saltwater Fish Medication, 4-oz bottle

Rated 4.6 out of 5 stars
105
$6.98 Chewy Price
($1.75/oz) Price per Unit
$9.98 List Price
Autoship Price

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

API Freshwater Aquarium Salt, 65-oz carton

Rated 4.6 out of 5 stars
315
$12.48 Chewy Price
($0.20/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

API Goldfish Aquarium Cleaner, 4-fl oz bottle

Rated 4.4 out of 5 stars
31
$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

API Pond Koi & Goldfish Food, 2.68-lb bag

Rated 4.7 out of 5 stars
83
$26.98 Chewy Price
($10.07/lb) 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 Turtle Water Conditioner, 8-oz bottle

Rated 4.8 out of 5 stars
119
$8.68 Chewy Price
($1.09/oz) Price per Unit
$12.18 List Price
Autoship Price

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

API Water Softener Pillow, Size 5

Rated 4.2 out of 5 stars
50
$7.58 Chewy Price
($7.58/ea) Price per Unit
$10.68 List Price
Autoship Price

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

API CO2 Booster Freshwater Aquarium Plant Care Treatment, 16-oz bottle

Rated 4.5 out of 5 stars
60
$14.68 Chewy Price
($0.92/oz) Price per Unit
$20.48 List Price
Autoship Price

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

API Proper pH 8.2 Aquarium Water Treatment, 7.1-oz bottle

Rated 4.5 out of 5 stars
20
$11.18 Chewy Price
($1.58/oz) Price per Unit
$15.78 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
18
$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

API Extra Long Algae Scraper for Glass Aquariums

Rated 4.6 out of 5 stars
125
$9.18 Chewy Price
$12.78 List Price
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 4.8 out of 5 stars
113
$73.98 Chewy Price
($73.98/gl) Price per Unit
$103.48 List Price
Autoship Price

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

API

API is passionate about fishkeeping and supporting the fishkeeping hobby. A pioneer in the aquatics industry for more than 50 years, API is committed to making a difference to our planet and its people by providing innovative, scientifically proven fishkeeping solutions.

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