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Saltwater Aquarium Water Test Kits

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Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 1 of 3
Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 2 of 3
Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 3 of 3
Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 1 of 3
Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 2 of 3
Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 3 of 3
Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 1 of 3
Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 2 of 3
Milwaukee Instruments Digital Iron Aquarium Water Test Kit slide 3 of 3

Milwaukee Instruments Digital Iron Aquarium Water Test Kit

$93.15 Chewy Price
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Free 1-3 day delivery on first-time orders
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ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 1 of 3
ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 2 of 3
ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 3 of 3
ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 1 of 3
ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 2 of 3
ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 3 of 3
ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 1 of 3
ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 2 of 3
ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count slide 3 of 3

ASF SeaTest NO3- Nitrate Fish Aquarium Water Test Kit, 40 count

$17.25 Chewy Price
($0.44/ea) Price per Unit
$23.99 List Price
Autoship Price

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

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Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 1 of 3
Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 2 of 3
Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 3 of 3
Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 1 of 3
Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 2 of 3
Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 3 of 3
Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 1 of 3
Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 2 of 3
Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester slide 3 of 3

Milwaukee Instruments Digital Free Chlorine Aquarium Water Tester

$93.15 Chewy Price
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Free 1-3 day delivery on first-time orders
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Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 1 of 3
Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 2 of 3
Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 3 of 3
Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 1 of 3
Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 2 of 3
Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 3 of 3
Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 1 of 3
Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 2 of 3
Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit slide 3 of 3

Milwaukee Instruments Digital Total Chlorine Aquarium Water Test Kit

$93.15 Chewy Price
Autoship Price

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

ASF SeaTest NO2- Nitrite Fish Aquarium Water Test Kit, 100 count

$11.98 Chewy Price
($0.12/ea) Price per Unit
$23.99 List Price
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Free 1-3 day delivery on first-time orders over $35
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Milwaukee Instruments MW101 pH Meter Aquarium Water Test Kit

$166.75 Chewy Price
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Free 1-3 day delivery on first-time orders
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API pH Freshwater & Saltwater Aquarium Test Strips, 25 count

Rated 4.4 out of 5 stars
10
$13.89 Chewy Price
($0.56/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

ASF SeaTest NH3 Ammonia-Ammonium Fish Aquarium Water Test Kit, 40 count

Rated 1 out of 5 stars
1
$16.39 Chewy Price
($0.41/ea) Price per Unit
$23.99 List Price
Autoship Price

Free 1-3 day delivery on first-time orders over $35
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Milwaukee Instruments 6.44 ppt TDS Calibration Solution Sachets Aquarium Water Test Kit, 20-ml,...

$34.50 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Milwaukee Instruments 12880 µS/cm Conductivity Calibration Solution Sachets Aquarium Water Test...

$34.50 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Milwaukee Instruments Powder Reagents Low-Range Phosphate Photometer Aquarium Water Test Kit, 2...

$12.95 Chewy Price
($0.52/ea) Price per Unit
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Milwaukee Instruments pH 7.01 Calibration Solution Sachets Aquarium Water Test Kit, 20-ml, 25 c...

$34.50 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
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Milwaukee Instruments 1413 µS/cm Conductivity Calibration Solution Sachets Aquarium Water Test ...

$34.50 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Milwaukee Instruments 1413 µS/cm Conductivity Solution Aquarium Water Test Kit, 230-ml bottle

$16.70 Chewy Price
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Free 1-3 day delivery on first-time orders over $35
Free 365-day returns

Milwaukee Instruments pH 7.01 Calibration Solution Aquarium Water Test Kit, 230-ml bottle

$16.70 Chewy Price
Autoship Price

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

Milwaukee Instruments Powder Reagents for Iron Photometer Aquarium Water Test Kit, 25 count

$12.95 Chewy Price
($0.52/ea) Price per Unit
Autoship Price

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

Milwaukee Instruments 12880 µS/cm Conductivity Calibration Solution Aquarium Water Test Kit, 23...

$16.70 Chewy Price
Autoship Price

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

Milwaukee Instruments Powder Reagents for Total Chlorine Photometer Aquarium Water Test Kit, 10...

$34.50 Chewy Price
($0.35/ea) Price per Unit
Autoship Price

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

Milwaukee Instruments Powder Reagents for Iodine Photometer Aquarium Water Test Kit, 25 count

$12.95 Chewy Price
($0.52/ea) Price per Unit
Autoship Price

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

Milwaukee Instruments Powder Reagents for Free Chlorine Photometer Aquarium Water Test Kit, 100...

$34.50 Chewy Price
($0.35/ea) Price per Unit
Autoship Price

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

Out of Stock

API Saltwater Aquarium Master Test Kit, 550 count

Rated 4.5 out of 5 stars
43

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

Out of Stock

Salifert Aquarium Calcium Test Kit

Rated 4 out of 5 stars
8

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

Out of Stock

Fritz Aquarium Water Master Test Kit

Rated 4 out of 5 stars
8

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

Out of Stock

Salifert Aquarium Nitrate Test Kit

Rated 4.9 out of 5 stars
7

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

Out of Stock

API Ammonia Freshwater & Saltwater Aquarium Test Kit, 130 count

Rated 4.7 out of 5 stars
58

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

Out of Stock

API KH Carbonate Hardness Fresh & Salt Water Aquarium Test Kit

Rated 4.8 out of 5 stars
17

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

Out of Stock

Salifert Aquarium Carbonate Hardness/Alkalinity Test Kit

Rated 4.4 out of 5 stars
14

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

Out of Stock

API Reef Aquarium Master Test Kit, 1 count

Rated 4.7 out of 5 stars
26

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

Out of Stock

Fritz Aquarium Water Nitrate Test Kit

Rated 4.5 out of 5 stars
2

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

Out of Stock

Salifert Aquarium Ammonia Test Kit

Rated 4.2 out of 5 stars
9

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

Out of Stock

Salifert Aquarium Copper Test Kit

Rated 5 out of 5 stars
2

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

Out of Stock

Milwaukee Instruments Digital pH Pen Aquarium Water Test Kit

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

Save 5% on repeat deliveries

Water Test Type

Brand

7 Brands are shown below

Fish Type

Aquarium Concern

Price

Customer Rating