Saltwater Test Kits For Aquariums

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API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 1 of 5
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API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 3 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 4 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 5 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 1 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 2 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 3 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 4 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 5 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 1 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 2 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 3 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 4 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 5 of 5
Slide 1 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 1 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 2 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 3 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 4 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 5 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 1 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 2 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 3 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 4 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 5 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 1 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 2 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 3 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 4 of 5
API pH Freshwater & Saltwater Aquarium Test Strips, 25 count slide 5 of 5

API pH Freshwater & Saltwater Aquarium Test Strips, 25 count

Rated 4.4 out of 5 stars
10
$14.48 Chewy Price
($0.58/ea) Price per Unit
$18.28 List Price
$13.76 Autoship Price

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

Salifert Aquarium Potassium Test Kit

Rated 3 out of 5 stars
2
$16.79 Chewy Price
$18.81 List Price
$15.95 Autoship Price

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

Slide 1 of 3
Fluval Nitrite Fish Water Test Kit slide 1 of 3
Fluval Nitrite Fish Water Test Kit slide 2 of 3
Fluval Nitrite Fish Water Test Kit slide 3 of 3
Fluval Nitrite Fish Water Test Kit slide 1 of 3
Fluval Nitrite Fish Water Test Kit slide 2 of 3
Fluval Nitrite Fish Water Test Kit slide 3 of 3
Fluval Nitrite Fish Water Test Kit slide 1 of 3
Fluval Nitrite Fish Water Test Kit slide 2 of 3
Fluval Nitrite Fish Water Test Kit slide 3 of 3

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

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

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

Rated 4.5 out of 5 stars
32
$14.04 Chewy Price
$16.99 List Price
$13.34 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

Aqueon Ammonia Aquarium Test Strips, 50 count

Rated 4.5 out of 5 stars
11
$13.19 Chewy Price
($0.27/ea) Price per Unit
$17.99 List Price
$12.53 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
1
$18.99 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

HelloReef Clownfish & Anemone Saltwater Aquarium Starter Kit, 15-gal

Rated 3.3 out of 5 stars
17
$549.99 Chewy Price
($36.67/gl) Price per Unit

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

Fritz Aquarium Water Nitrite Test Kit

Rated 3 out of 5 stars
1
$11.99 Chewy Price
$15.99 List Price

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

Instant Ocean Reef Salt for Aquariums, 10-gal

Rated 4.6 out of 5 stars
362
$7.99 Chewy Price
($0.80/gl) Price per Unit

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

ASF SeaTest pH Fish Aquarium Water Test Kit, 100 count

Rated 5 out of 5 stars
1
$12.39 Chewy Price
($0.13/ea) Price per Unit
$20.99 List Price

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

ASF SeaTest KH Alkalinity Fish Aquarium Water Test Kit, 100 count

Rated 5 out of 5 stars
1
$18.89 Chewy Price
($0.19/ea) Price per Unit
$18.99 List 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
7
$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

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

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

Salifert Aquarium pH Test Kit

$10.39 Chewy Price
$10.92 List Price
$9.87 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

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

Rated 1 out of 5 stars
1
$19.99 Chewy Price
($0.50/ea) Price per Unit
$23.99 List Price

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

Nature's Ocean Nutri-SeaWater Natural Live Ocean Aquarium Saltwater, 4.4-gal jug

Rated 4.2 out of 5 stars
76
$22.99 Chewy Price
($5.23/gl) Price per Unit
$27.99 List Price
$21.84 Autoship Price

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

API Freshwater Aquarium Salt, 16-oz carton

Rated 4.6 out of 5 stars
302
$5.49 Chewy Price
($0.35/oz) Price per Unit
$7.78 List Price
$5.22 Autoship Price

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

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

$20.29 Chewy Price
($0.51/ea) Price per Unit
$23.99 List Price

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

API Ammo-Lock Freshwater & Saltwater Aquarium Ammonia Detoxifier, 16-oz bottle

Rated 4.4 out of 5 stars
57
$13.99 Chewy Price
($0.88/oz) Price per Unit
$17.48 List Price
$13.29 Autoship Price

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

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

$14.09 Chewy Price
($0.15/ea) Price per Unit
$23.99 List Price

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

Fluval CO2 Aquarium Indicator Kit

Rated 2.2 out of 5 stars
6
$16.99 Chewy Price

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

ASF SeaTest PO4- Phosphate Fish Aquarium Water Test Kit, 40 count

$23.99 Chewy Price
($0.60/ea) Price per Unit
$27.99 List Price

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

CheckUp Pro Hydrophobic Sand Urine Collection Home Test Kit for Cats

Rated 4.2 out of 5 stars
16
$24.95 Chewy Price
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 Evo XII Saltwater Fish Aquarium Kit, 13.5-gal

$192.75 Chewy Price
($14.28/gl) Price per Unit
$199.99 List Price

Free 1-3 day delivery on first-time orders
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

Fritz ProAquatics Reef Pro Mix Redline Complete Aquarium Sea Salt, 55-lb box

Rated 4.3 out of 5 stars
9
$82.24 Chewy Price
($1.50/lb) Price per Unit
$84.99 List Price

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

Marina 10G LED Aquarium Kit, 10-gal

Rated 4.6 out of 5 stars
65
$97.35 Chewy Price
($9.74/gl) Price per Unit
$124.99 List Price

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

Marina LED Aquarium Kit, 20-gal

Rated 3.8 out of 5 stars
53
$138.99 Chewy Price
($6.95/gl) Price per Unit
$189.99 List Price

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

API Quick Start Freshwater & Saltwater Aquarium Water Treatment, 8-fl oz bottle

Rated 4.6 out of 5 stars
197
$13.58 Chewy Price
($1.70/fl oz) Price per Unit
$19.18 List Price
$12.90 Autoship Price

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

Kent Marine Kalkwasser Mix Reef Type Marine Aquarium Supplement, 7.9-oz jar

Rated 4.8 out of 5 stars
6
$11.01 Chewy Price
($1.40/oz) Price per Unit
$17.99 List Price

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

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