Aquarium Water Test Kits

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API Nitrite Test Kit - Freshwater/Saltwater
API Nitrite Test Kit - Freshwater/Saltwater
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API Nitrite Test Kit - Freshwater/Saltwater

$12.09
$14.51
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API KH Carbonate Hardness Test Kit - Freshwater/Saltwater
API KH Carbonate Hardness Test Kit - Freshwater/Saltwater
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API KH Carbonate Hardness Test Kit - Freshwater/Saltwater

$8.98
$10.78
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API High Range pH Test Kit - Freshwater/Saltwater
API High Range pH Test Kit - Freshwater/Saltwater
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API High Range pH Test Kit - Freshwater/Saltwater

$9.48
$11.38
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API GH & KH General & Carbonate Hardness Test Kit - Freshwater
API GH & KH General & Carbonate Hardness Test Kit - Freshwater
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API GH & KH General & Carbonate Hardness Test Kit - Freshwater

$12.23
$14.67
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API Freshwater Master Test Kit
API Freshwater Master Test Kit
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API Freshwater Master Test Kit

$45.72
$54.86
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API Copper Test Kit - Freshwater/Saltwater
API Copper Test Kit - Freshwater/Saltwater
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API Copper Test Kit - Freshwater/Saltwater

$12.93
$15.52
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API Calcium Test Kit - Saltwater
API Calcium Test Kit - Saltwater
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API Calcium Test Kit - Saltwater

$14.13
$16.96
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API Ammonia Test Kit - Freshwater/Saltwater
API Ammonia Test Kit - Freshwater/Saltwater
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API Ammonia Test Kit - Freshwater/Saltwater

$15.99
$19.19
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API Ammonia Aquarium Test Strips - 25 pk
API Ammonia Aquarium Test Strips - 25 pk
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API Ammonia Aquarium Test Strips - 25 pk

$17.91
$21.49
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API 5 in 1 Aquarium Test Strips - 25 pk
API 5 in 1 Aquarium Test Strips - 25 pk
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API 5 in 1 Aquarium Test Strips - 25 pk

$17.27
$20.72
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API 5 in 1 Aquarium Test Strips - 4 pk
API 5 in 1 Aquarium Test Strips - 4 pk
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API 5 in 1 Aquarium Test Strips - 4 pk

$7.77
$9.32
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API 5 in 1 Aquarium Test Strips - 100 pk
API 5 in 1 Aquarium Test Strips - 100 pk
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API 5 in 1 Aquarium Test Strips - 100 pk

$34.97
$41.96
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NutraFin Test Tubes with Caps - 2 pk
NutraFin Test Tubes with Caps - 2 pk
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NutraFin Test Tubes with Caps - 2 pk

$2.83
$3.39
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NutraFin Reagent Refill for Phosphate Test Kit - #3
NutraFin Reagent Refill for Phosphate Test Kit - #3
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NutraFin Reagent Refill for Phosphate Test Kit - #3

$2.39
$2.87
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NutraFin Reagent Refill for pH Wide Range Test Kit
NutraFin Reagent Refill for pH Wide Range Test Kit
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NutraFin Reagent Refill for pH Wide Range Test Kit

$2.13
$2.55
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NutraFin Reagent Refill for Phosphate Test Kit - #2
NutraFin Reagent Refill for Phosphate Test Kit - #2
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NutraFin Reagent Refill for Phosphate Test Kit - #2

$2.13
$2.55
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NutraFin Reagent Refill for Phosphate Test Kit - #1
NutraFin Reagent Refill for Phosphate Test Kit - #1
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NutraFin Reagent Refill for Phosphate Test Kit - #1

$2.13
$2.55
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NutraFin Reagent Refill for pH High Range Test Kit
NutraFin Reagent Refill for pH High Range Test Kit
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NutraFin Reagent Refill for pH High Range Test Kit

$1.96
$2.35
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NutraFin Reagent Refill for Nitrate Test Kit - #3
NutraFin Reagent Refill for Nitrate Test Kit - #3
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NutraFin Reagent Refill for Nitrate Test Kit - #3

$2.93
$3.51
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NutraFin Reagent Refill for Nitrate Test Kit - #1
NutraFin Reagent Refill for Nitrate Test Kit - #1
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NutraFin Reagent Refill for Nitrate Test Kit - #1

$1.86
$2.23
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NutraFin Reagent Refill for KH Test Kit
NutraFin Reagent Refill for KH Test Kit
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NutraFin Reagent Refill for KH Test Kit

$2
$2.39
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NutraFin Reagent Refill for Ammonia Test Kit - #3
NutraFin Reagent Refill for Ammonia Test Kit - #3
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NutraFin Reagent Refill for Ammonia Test Kit - #3

$2.39
$2.87
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NutraFin Reagent Refill for Calcium Test Kit - #2
NutraFin Reagent Refill for Calcium Test Kit - #2
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NutraFin Reagent Refill for Calcium Test Kit - #2

$2.39
$2.87
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NutraFin Reagent Refill for Calcium Test Kit - #3
NutraFin Reagent Refill for Calcium Test Kit - #3
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NutraFin Reagent Refill for Calcium Test Kit - #3

$2.69
$3.23
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NutraFin Reagent Refill for Ammonia Test Kit - #1
NutraFin Reagent Refill for Ammonia Test Kit - #1
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NutraFin Reagent Refill for Ammonia Test Kit - #1

$2.13
$2.55
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NutraFin Reagent Refill for Ammonia Test Kit - #2
NutraFin Reagent Refill for Ammonia Test Kit - #2
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NutraFin Reagent Refill for Ammonia Test Kit - #2

$2.13
$2.55

Aquarium Water Test Kits provide precise measurements of your tank's water parameters. Our range includes kits for testing ammonia, nitrite, nitrate, pH, and other vital indicators. Regular monitoring helps you identify and address water quality issues early, ensuring a healthy environment for your aquatic life. These user-friendly test kits are indispensable for maintaining balanced water conditions. Discover our variety of test kits to keep your aquarium's water quality in check.