API Fish Supplies

API
API
Sort
Filter (1)

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 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 Filstar XP Super Micro Filtration Aquarium Canister Filter Filtration Pads, 2 count

Rated 4.4 out of 5 stars
14
$12.32 Chewy Price
($6.16/ea) Price per Unit
$15.38 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 Pond Stress Coat Water Conditioner, 64-fl oz bottle

Rated 4.8 out of 5 stars
113
$43.98 Chewy Price
($0.69/fl oz) Price per Unit
$61.78 List Price
Autoship Price

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

API Saltwater Aquarium Master Test Kit, 550 count

Rated 4.6 out of 5 stars
41
$35.98 Chewy Price
($0.07/ea) Price per Unit
$50.48 List Price
Autoship Price

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

API Phosphate PO4 Freshwater & Saltwater Aquarium Test Kit, 150 count

Rated 4.7 out of 5 stars
21
$14.98 Chewy Price
($0.10/ea) Price per Unit
$20.98 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 Calcium Saltwater Aquarium Test Kit, 1 count

Rated 4.7 out of 5 stars
14
$11.98 Chewy Price
$19.78 List Price
Autoship Price

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

API Filstar XP Aquarium Filtration Pads, 30 ppi

Rated 4.9 out of 5 stars
19
$13.18 Chewy Price
($13.18/ea) Price per Unit
$18.68 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 4.6 out of 5 stars
43
$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

API Proper pH 6.5 Aquarium Water Treatment, 8.5-oz bottle

Rated 5 out of 5 stars
6
$11.56 Chewy Price
($1.36/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 Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count

Rated 4.7 out of 5 stars
46
$13.98 Chewy Price
($0.16/ea) Price per Unit
$19.78 List Price
Autoship Price

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

API Pond Salt, 4.4-lb carton

Rated 4.7 out of 5 stars
50
$10.48 Chewy Price
($2.39/lb) Price per Unit
$14.78 List Price
Autoship Price

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

API Sinking Squid Pellets Bottom Feeder Fish Food, 7.9-oz bottle

Rated 4.6 out of 5 stars
199
$9.98 Chewy Price
($1.27/oz) 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 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 Pond Master Test Kit, 500 count

Rated 4.8 out of 5 stars
37
$34.98 Chewy Price
($0.07/ea) Price per Unit
$48.98 List Price
Autoship Price

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

API Reef Aquarium Master Test Kit, 1 count

Rated 4.8 out of 5 stars
25
$34.98 Chewy Price
$50.48 List Price
Autoship Price

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

API pH Freshwater Aquarium Test Kit, 250 count

Rated 4.7 out of 5 stars
80
$7.98 Chewy Price
($0.04/ea) Price per Unit
$11.28 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
14
$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 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 Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count

Rated 4.3 out of 5 stars
18
$9.48 Chewy Price
$13.48 List Price
Autoship Price

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

API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count

Rated 4.7 out of 5 stars
50
$15.05 Chewy Price
($0.12/ea) Price per Unit
$21.78 List Price
Autoship Price

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

API Flakes Tropical Fish Food, 5.7-oz bottle

Rated 4.6 out of 5 stars
157
$13.91 Chewy Price
($2.45/oz) Price per Unit
$19.78 List Price
Autoship Price

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

API Algae Eater Wafers Fish Food, 6.4-oz bottle

Rated 4.7 out of 5 stars
234
$11.98 Chewy Price
($1.88/oz) Price per Unit
$16.98 List Price
Autoship Price

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

API Pond Accu-Clear Clarifier, 1-gal bottle

Rated 4.6 out of 5 stars
91
$65.98 Chewy Price
($65.98/gl) Price per Unit
$92.48 List Price
Autoship Price

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

API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit

Rated 4.8 out of 5 stars
13
$8.75 Chewy Price
$12.78 List Price
Autoship Price

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

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

Rated 4.5 out of 5 stars
79
$18.69 Chewy Price
($1.17/oz) Price per Unit
$19.78 List Price
Autoship Price

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

API Marine ALGAEFIX Algae Control 16-fl oz bottle

Rated 4.2 out of 5 stars
52
$15.18 Chewy Price
($0.95/fl oz) Price per Unit
$26.48 List Price
Autoship Price

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

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

Rated 4.5 out of 5 stars
15
$19.98 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

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 Pond Pimafix Antifungal Pond Fish Infection Remedy, 16-oz bottle

Rated 4.8 out of 5 stars
27
$15.98 Chewy Price
($1.00/oz) Price per Unit
$22.48 List Price
Autoship Price

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

API Proper pH 7.5 Aquarium Water Treatment, 9.2-oz bottle

Rated 4.1 out of 5 stars
17
$12.99 Chewy Price
($1.42/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 Pond Simply Clear Pond Water Clarifier, 32-fl oz bottle

Rated 4.3 out of 5 stars
98
$29.98 Chewy Price
($0.94/fl oz) Price per Unit
$41.98 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
29
$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

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

Rated 4.3 out of 5 stars
12
$12.93 Chewy Price
($12.93/ea) Price per Unit
$15.98 List Price
Autoship Price

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

Category

Shop Supplies by Fish

Food

Filters & Media

Water Care

Tank Cleaner

Medicine & Health

Save 5% on repeat deliveries

Fish Type

Aquarium Type

Brand

7 Brands are shown below

Price

Customer Rating