API Fish Supplies

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API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit

Rated 4.8 out of 5 stars
12
$8.98 Chewy Price
$12.78 List Price
$8.53 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
86
$57.59 Chewy Price
($57.59/gl) Price per Unit
$92.48 List Price
$54.71 Autoship Price

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

API pH Freshwater Aquarium Test Kit, 250 count

Rated 4.6 out of 5 stars
79
$7.98 Chewy Price
($0.04/ea) Price per Unit
$11.28 List Price
$7.58 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
17
$6.99 Chewy Price
$8.28 List Price
$6.64 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
26
$15.98 Chewy Price
($1.00/oz) Price per Unit
$22.48 List Price
$15.18 Autoship Price

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

API Algae Pad for Acrylic Aquariums, 1 count

Rated 4.4 out of 5 stars
19
$3.21 Chewy Price
($3.21/ea) Price per Unit
$4.58 List 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 4.9 out of 5 stars
108
$54.99 Chewy Price
($54.99/gl) Price per Unit
$103.48 List Price
$52.24 Autoship Price

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

API Flakes Tropical Fish Food, 1.1-oz bottle

Rated 4.6 out of 5 stars
142
$4.99 Chewy Price
($4.54/oz) Price per Unit
$6.98 List Price
$4.74 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
44
$11.00 Chewy Price
($0.13/ea) Price per Unit
$19.78 List Price
$10.45 Autoship Price

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

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

Rated 4.8 out of 5 stars
25
$4.28 Chewy Price
($1.07/fl oz) Price per Unit
$5.98 List Price
$4.07 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
$9.49 Chewy Price
$13.48 List Price
$9.02 Autoship Price

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

API Pond Algaefix Algae Control Solution, 1-gal bottle

Rated 4.4 out of 5 stars
433
$48.62 Chewy Price
($48.62/gl) Price per Unit
$96.98 List Price
$46.19 Autoship Price

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

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

Rated 4.2 out of 5 stars
79
$11.18 Chewy Price
($1.28/oz) Price per Unit
$15.78 List Price
$10.62 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 4.8 out of 5 stars
47
$15.48 Chewy Price
($0.12/ea) Price per Unit
$21.78 List Price
$14.71 Autoship Price

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

API Replacement Test Tubes for Aquarium Liquid Test Kits, 24 count

Rated 3.2 out of 5 stars
21
$22.45 Chewy Price
($0.94/ea) Price per Unit
$41.98 List Price
$21.33 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 4.3 out of 5 stars
29
$4.28 Chewy Price
($1.07/fl oz) Price per Unit
$5.98 List Price
$4.07 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
$10.00 Chewy Price
$19.78 List Price
$9.50 Autoship Price

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

API Sinking Pellets Goldfish Food, 7-oz bottle

Rated 4.7 out of 5 stars
46
$11.24 Chewy Price
($1.61/oz) Price per Unit
$16.78 List Price
$10.68 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
49
$7.58 Chewy Price
($7.58/ea) Price per Unit
$10.68 List Price
$7.20 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 4.7 out of 5 stars
35
$30.14 Chewy Price
($0.07/ea) Price per Unit
$48.98 List Price
$28.63 Autoship Price

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

API Marine Complete Trace Aquarium Water Conditioner, 16-oz bottle

Rated 3 out of 5 stars
4
$12.99 Chewy Price
($0.82/oz) Price per Unit
$18.28 List Price
$12.34 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 4.2 out of 5 stars
11
$11.38 Chewy Price
($11.38/ea) Price per Unit
$15.98 List Price
$10.81 Autoship Price

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

API Betta Aquarium Water Conditioner, 1.7-fl oz bottle

Rated 4.5 out of 5 stars
28
$4.08 Chewy Price
($2.40/fl oz) Price per Unit
$5.98 List Price
$3.88 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
112
$23.55 Chewy Price
($1.48/oz) Price per Unit
$44.98 List Price
$22.37 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
79
$16.25 Chewy Price
($6.07/lb) Price per Unit
$37.78 List Price
$15.44 Autoship Price

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

API Pond Healthy Fish Pond Bundle, 3 count

$81.98 Chewy Price
($27.33/ea) Price per Unit
$114.98 List Price
$77.88 Autoship Price

Free 1-3 day delivery on first-time orders
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
53
$18.29 Chewy Price
($1.15/fl oz) Price per Unit
$23.98 List Price
$17.38 Autoship Price

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

API Pond 5-IN-1 Test Strips, 25 count

Rated 4.6 out of 5 stars
23
$14.24 Chewy Price
($0.57/ea) Price per Unit
$20.98 List Price
$13.53 Autoship Price

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

API High Range pH Fresh & Salt Water Aquarium Test Kit, 160 count

Rated 4.8 out of 5 stars
10
$9.48 Chewy Price
($0.06/ea) Price per Unit
$13.28 List Price
$9.01 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
76
$18.69 Chewy Price
($1.17/oz) Price per Unit
$19.78 List Price
$17.76 Autoship Price

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

API Nitrite NO2 Fresh & Salt Water Aquarium Test Kit, 180 count

Rated 5 out of 5 stars
6
$16.78 Chewy Price
($0.10/ea) Price per Unit
$15.94 Autoship Price

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

API Pond pH Down Pond Water pH Reducing Solution, 16-oz bottle

Rated 4.8 out of 5 stars
17
$19.98 Chewy Price
($1.25/oz) Price per Unit
$22.28 List Price
$18.98 Autoship Price

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

API Sinking Mini Pellets Tropical Fish Food, 1.7-oz bottle

Rated 4.5 out of 5 stars
29
$6.99 Chewy Price
($4.12/oz) Price per Unit
$9.98 List Price
$6.64 Autoship Price

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

API Pond Ammo-Lock Pond Water Ammonia Detoxifier, 64-oz bottle

Rated 4.8 out of 5 stars
16
$42.00 Chewy Price
($0.66/oz) Price per Unit
$71.48 List Price
$39.90 Autoship Price

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

API Ammonia NH3/NH4 Freshwater & Saltwater Aquarium Test Strips, 25 count

Rated 4.3 out of 5 stars
12
$16.22 Chewy Price
($0.65/ea) Price per Unit
$23.98 List Price
$15.41 Autoship Price

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

API Aquarium Starter Kit

Rated 5 out of 5 stars
6
$39.31 Chewy Price
$43.48 List Price
$37.34 Autoship Price

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

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