Freshwater Aquarium Water Test Kits and Strips

Sort
Filter
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
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
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
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
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
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
API Freshwater Aquarium Master Test Kit, 800 count slide 7 of 8
API Freshwater Aquarium Master Test Kit, 800 count slide 8 of 8
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
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
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
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
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
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
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

Rated 4.7 out of 5 stars
320
$31.76 Chewy Price
($0.04/ea) Price per Unit
$50.48 List Price
$30.17 Autoship Price

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

Slide 1 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 1 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 2 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 3 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 4 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 5 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 1 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 2 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 3 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 4 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 5 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 1 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 2 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 3 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 4 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 5 of 5
Slide 1 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 1 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 2 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 3 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 4 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 5 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 1 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 2 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 3 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 4 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 5 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 1 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 2 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 3 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 4 of 5
Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count slide 5 of 5

Tetra EasyStrips 6-in-1 Freshwater & Saltwater Aquarium Test Strips, 100 count

Rated 4.6 out of 5 stars
145
$13.83 Chewy Price
($0.14/ea) Price per Unit
$37.49 List Price
$13.14 Autoship Price

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

Slide 1 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 1 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 2 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 3 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 4 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 5 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 6 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 7 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 8 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 9 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 1 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 2 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 3 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 4 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 5 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 6 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 7 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 8 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 9 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 1 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 2 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 3 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 4 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 5 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 6 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 7 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 8 of 9
Aqueon 7-in-1 Aquarium Test Strips, 50 count slide 9 of 9

Aqueon 7-in-1 Aquarium Test Strips, 50 count

Rated 4.4 out of 5 stars
55
$8.73 Chewy Price
($0.18/ea) Price per Unit
$17.99 List Price
$8.29 Autoship Price

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

Slide 1 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 1 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 2 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 3 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 4 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 5 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 6 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 7 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 8 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 9 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 1 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 2 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 3 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 4 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 5 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 6 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 7 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 8 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 9 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 1 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 2 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 3 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 4 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 5 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 6 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 7 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 8 of 9
API GH & KH General & Carbonate Hardness Freshwater Aquarium Test Kit slide 9 of 9

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

Rated 4.7 out of 5 stars
74
$11.98 Chewy Price
$16.78 List Price
$11.38 Autoship Price

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

API 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count

Rated 4.5 out of 5 stars
126
$24.98 Chewy Price
($0.25/ea) Price per Unit
$34.98 List Price
$23.73 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

SunGrow Refractometer for Saltwater Aquarium & Reef Tank, Koi Pond Water Salinity Meter Tester

Rated 4.5 out of 5 stars
32
$11.45 Chewy Price
$16.99 List Price
$10.88 Autoship Price

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

Tetra EasyStrips Ammonia Freshwater & Saltwater Aquarium Test Strips, 100 count

Rated 4.9 out of 5 stars
28
$15.97 Chewy Price
($0.16/ea) Price per Unit
$33.49 List Price
$15.17 Autoship Price

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

Fritz Aquarium Water Master Test Kit

Rated 3.7 out of 5 stars
6
$36.74 Chewy Price
$48.99 List 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

Fluval Nitrate Fish Water Test Kit

Rated 3.7 out of 5 stars
3
$22.99 Chewy Price

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

Tetra EasyStrips Complete Freshwater & Saltwater Aquarium Test Strips, 25 count

Rated 4.2 out of 5 stars
30
$9.99 Chewy Price
($0.40/ea) Price per Unit
$26.39 List Price
$9.49 Autoship Price

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

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

Rated 4.7 out of 5 stars
20
$14.98 Chewy Price
($0.10/ea) Price per Unit
$20.98 List Price
$14.23 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
$13.20 Chewy Price
($0.15/ea) Price per Unit
$19.78 List Price
$12.54 Autoship Price

Free 1-3 day delivery on first-time orders over $35
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 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 Nitrite NO2 Fresh & Salt Water Aquarium Test Kit, 180 count

Rated 5 out of 5 stars
6
$12.98 Chewy Price
($0.08/ea) Price per Unit
$16.78 List Price
$12.33 Autoship Price

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

ASF SeaTest Mg2+ Magnesium Fish Aquarium Water Test Kit, 40 count

$24.19 Chewy Price
($0.61/ea) Price per Unit
$31.99 List Price

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

Fluval Ammonia Fish Water Test Kit

Rated 4.5 out of 5 stars
2
$18.74 Chewy Price
$18.99 List 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 Freshwater Aquarium Test & Adjuster Kit, 250 count

Rated 4.5 out of 5 stars
33
$8.98 Chewy Price
($0.04/ea) Price per Unit
$18.28 List Price
$8.53 Autoship Price

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

Fluval Fresh & Salt pH High Range Fish Water Test Kit

Rated 4.5 out of 5 stars
2
$13.99 Chewy Price

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

API Copper Cu+ Freshwater & Saltwater Aquarium Test Kit, 90 count

Rated 4.3 out of 5 stars
4
$12.48 Chewy Price
($0.14/ea) Price per Unit
$17.48 List Price
$11.86 Autoship Price

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

Aqueon Ammonia Aquarium Test Strips, 50 count

Rated 4.5 out of 5 stars
11
$14.88 Chewy Price
($0.30/ea) Price per Unit
$17.99 List Price
$14.14 Autoship Price

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

Fluval Mini Master Fish Water Test Kit

Rated 3 out of 5 stars
4
$35.99 Chewy Price
$50.99 List Price
$34.19 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
12
$8.75 Chewy Price
$12.78 List Price
$8.31 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 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

ASF SeaTest Ca2+ Calcium Fish Aquarium Water Test Kit, 40 count

Rated 3 out of 5 stars
1
$21.69 Chewy Price
($0.55/ea) Price per Unit
$27.99 List Price

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

Fluval Phosphate Fish Water Test Kit

Rated 5 out of 5 stars
1
$18.99 Chewy Price

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

API pH Freshwater & Saltwater Aquarium Test Strips, 25 count

Rated 4.4 out of 5 stars
10
$14.33 Chewy Price
($0.58/ea) Price per Unit
$18.28 List Price
$13.61 Autoship Price

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

Fluval Fresh & Salt Calcium Fish Water Test Kit

$18.99 Chewy Price

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

Fritz Aquarium Water Nitrate Test Kit

Rated 4 out of 5 stars
1
$13.49 Chewy Price
$17.99 List Price

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

Fluval Nitrite Fish Water Test Kit

Rated 5 out of 5 stars
1
$16.99 Chewy Price

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

Fluval Fresh pH Low Range Fish Water Test Kit

Rated 5 out of 5 stars
1
$13.99 Chewy Price

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

Salifert Aquarium Oxygen Test Kit

Rated 4.7 out of 5 stars
6
$17.41 Chewy Price
$16.54 Autoship Price

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

Water Test Type

Fish Type

Aquarium Concern

Brand

7 Brands are shown below

Price

Customer Rating