Aquarium Water Test Kits for New Fish

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API Freshwater Aquarium Master Test Kit, 800 count slide 2 of 8

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API Freshwater Aquarium Master Test Kit, 800 count

Rated 4.7 out of 5 stars

380

$35.98 Chewy Price

($0.05/ea) Price per Unit

$50.48 List Price

Autoship Price

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

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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

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

Rated 4.4 out of 5 stars

69

$8.73 Chewy Price

($0.18/ea) Price per Unit

$17.99 List Price

Autoship Price

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

Salifert Aquarium Calcium Test Kit

Rated 4 out of 5 stars

8

$18.81 Chewy Price

Autoship Price

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

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API Saltwater Aquarium Master Test Kit, 550 count slide 2 of 8

API Saltwater Aquarium Master Test Kit, 550 count slide 3 of 8

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API Saltwater Aquarium Master Test Kit, 550 count

Rated 4.5 out of 5 stars

42

$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 Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count

Rated 4.7 out of 5 stars

55

$15.48 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 5 in 1 Freshwater & Saltwater Aquarium Test Strips, 100 count

Rated 4.5 out of 5 stars

135

$24.98 Chewy Price

($0.25/ea) Price per Unit

$34.98 List Price

Autoship Price

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

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

Rated 4.6 out of 5 stars

163

$32.97 Chewy Price

($0.33/ea) Price per Unit

$39.99 List Price

Autoship Price

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

Salifert Aquarium Magnesium Test Kit

Rated 4.8 out of 5 stars

8

$18.35 Chewy Price

$19.61 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

81

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

Rated 4 out of 5 stars

10

$11.83 Chewy Price

($0.07/ea) Price per Unit

$16.78 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

15

$11.99 Chewy Price

$19.78 List Price

Autoship 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

34

$9.99 Chewy Price

($0.40/ea) Price per Unit

$26.39 List Price

Autoship Price

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

Salifert Aquarium Phosphate Test Kit

Rated 5 out of 5 stars

6

$19.61 Chewy 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

39

$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 Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count

Rated 4.8 out of 5 stars

51

$11.00 Chewy Price

($0.13/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

Fluval Phosphate Fish Water Test Kit

Rated 5 out of 5 stars

3

$18.99 Chewy Price

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

22

$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

Salifert Aquarium Carbonate Hardness/Alkalinity Test Kit

Rated 4.4 out of 5 stars

13

$16.46 Chewy Price

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

42

$12.98 Chewy Price

($0.06/ea) Price per Unit

$18.28 List Price

Autoship Price

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

Salifert Aquarium Ammonia Test Kit

Rated 4.2 out of 5 stars

9

$13.99 Chewy Price

Autoship Price

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

New

Milwaukee Instruments Digital Salinity Refractometer Aquarium Water Test Kit

$155.00 Chewy Price

$199.00 List Price

Autoship Price

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

Aqueon Ammonia Aquarium Test Strips, 50 count

Rated 4.5 out of 5 stars

11

$14.95 Chewy Price

($0.30/ea) Price per Unit

$17.99 List Price

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 4.8 out of 5 stars

34

$15.97 Chewy Price

($0.16/ea) Price per Unit

$33.49 List Price

Autoship Price

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

Salifert Aquarium pH Test Kit

Rated 5 out of 5 stars

1

$10.92 Chewy Price

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

Autoship Price

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

Salifert Aquarium Nitrite Test Kit

Rated 5 out of 5 stars

3

$12.99 Chewy Price

$13.79 List Price

Autoship 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

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

13

$12.99 Chewy Price

($0.52/ea) Price per Unit

$23.98 List Price

Autoship Price

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

New

Milwaukee Instruments Digital TDS Pen Aquarium Water Test Kit

$34.50 Chewy Price

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

25

$14.98 Chewy Price

($0.60/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

New

Milwaukee Instruments Waterproof 4-in-1 Aquarium Water Test Kit

$219.65 Chewy Price

Autoship Price

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

Salifert Aquarium Oxygen Test Kit

Rated 4.7 out of 5 stars

6

$14.89 Chewy Price

Autoship Price

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

New

Milwaukee Instruments Digital Phosphate Aquarium Water Test Kit

$93.15 Chewy Price

Autoship Price

Free 1-3 day delivery on first-time orders
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

Autoship Price

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

New

Milwaukee Instruments Digital Conductivity Pen EC Aquarium Water Test Kit

$34.50 Chewy Price

Autoship Price

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

API Freshwater Aquarium Master Test Kit, 800 count

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

Salifert Aquarium Calcium Test Kit

API Saltwater Aquarium Master Test Kit, 550 count

API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count

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

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

Salifert Aquarium Magnesium Test Kit

API pH Freshwater Aquarium Test Kit, 250 count

API Pond Wide Range pH Test Kit 160-Test Pond Water Test Kit, 1 count

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

API Calcium Saltwater Aquarium Test Kit, 1 count

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

Salifert Aquarium Phosphate Test Kit

API Pond Master Test Kit, 500 count

API Nitrate NO3 Freshwater & Saltwater Aquarium Test Kit, 90 count

Fluval Phosphate Fish Water Test Kit

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

Salifert Aquarium Carbonate Hardness/Alkalinity Test Kit

API pH Freshwater Aquarium Test & Adjuster Kit, 250 count

Salifert Aquarium Ammonia Test Kit

Milwaukee Instruments Digital Salinity Refractometer Aquarium Water Test Kit

Aqueon Ammonia Aquarium Test Strips, 50 count

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

Salifert Aquarium pH Test Kit

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

Salifert Aquarium Nitrite Test Kit

Fluval Nitrite Fish Water Test Kit

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

Milwaukee Instruments Digital TDS Pen Aquarium Water Test Kit

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

Milwaukee Instruments Waterproof 4-in-1 Aquarium Water Test Kit

Salifert Aquarium Oxygen Test Kit

Milwaukee Instruments Digital Phosphate Aquarium Water Test Kit

Fluval Fresh & Salt pH High Range Fish Water Test Kit

Milwaukee Instruments Digital Conductivity Pen EC Aquarium Water Test Kit

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