🌍 Worldwide shipping · 30-day returns · Rated Excellent on Trustpilot ★★★★½

Home/Test Kits

Product category

Test Kits

372 OpenSearch-backed products. URL shape matches WooCommerce for future SEO migration.

Featured products

Page 5 of 16

All departments

Co2 Drop Checker Solution, Fish Tank CO2 Monitor, Aquarium CO2 Tester Monitor CO2 Glass Drop Checker Aquarium CO2 Detector For Planted Fish Tank, Transparent Aquarium Co2 Kit

Test Kits

Co2 Drop Checker Solution, Fish Tank CO2 Monitor, Aquarium CO2 Tester Monitor CO2 Glass Drop Checker Aquarium CO2 Detector For Planted Fish Tank, Transparent Aquarium Co2 Kit

$17.99

AQUAVERITY Aquarium Test Strips, 100 Fish Tank Test Strips for Marine and Tropical Aquarium Test Kit Carbonate, pH, Hardness, Free Chlorine, Nitrate, Nitrite, Accurate 6 in 1 Fish Tank Accessories

Test Kits

AQUAVERITY Aquarium Test Strips, 100 Fish Tank Test Strips for Marine and Tropical Aquarium Test Kit Carbonate, pH, Hardness, Free Chlorine, Nitrate, Nitrite, Accurate 6 in 1 Fish Tank Accessories

$29.99

Test Kits

Yardwe 1 Set Density Meter for Saltwater Aquariums Water Hydrometer Meter for Salt Content of Aquarium Tool Water Meter Tester Densitometer for Aquariums Advanced

$58.99

Auto Top Off Water Filler,Fish Tank Add Water Device with Noise Reduction & Adapter Heads for 1.5cm/0.6" or Less Wall Thickness Fish Tortoise Tank

Test Kits

Auto Top Off Water Filler,Fish Tank Add Water Device with Noise Reduction & Adapter Heads for 1.5cm/0.6" or Less Wall Thickness Fish Tortoise Tank

★★★★★3.8

$29.99

MEXYBE 2024 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc

Test Kits

MEXYBE 2024 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc

★★★★★4.4

$17.99

ARCHER LIFE HALL

Test Kits

TDS Meter Digital Water Quality Tester 0-9990 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy

$15.99

Miofis ATO Auto Top Off System for Saltwater Aquarium NewGen One Long Life Design with Dual Optical Sensor for Both Reef and Fresh Tanks (NG ONE)

Test Kits

Miofis ATO Auto Top Off System for Saltwater Aquarium NewGen One Long Life Design with Dual Optical Sensor for Both Reef and Fresh Tanks (NG ONE)

★★★★★4

$167.99

Hydrogen Water Bottle Test Meter, H2/ORP/Temp Digital Hydrogen Level Tester Pen for Daily Drinking Hydrogen Water Easy to Use

Test Kits

Hydrogen Water Bottle Test Meter, H2/ORP/Temp Digital Hydrogen Level Tester Pen for Daily Drinking Hydrogen Water Easy to Use

$55.99

Rurunklee Aquatic CO2 Glass Drop Checker, Aquarium Fish Tank Carbon Dioxide PH Checker, transparent co2 drop checker, functional fish tank test kit for Aquariums, CO2 System, Aquarium Tank

Test Kits

Rurunklee Aquatic CO2 Glass Drop Checker, Aquarium Fish Tank Carbon Dioxide PH Checker, transparent co2 drop checker, functional fish tank test kit for Aquariums, CO2 System, Aquarium Tank

$26.99

PetMad 7 in 1 Aquarium Test Strips - Freshwater, Fish Tank and Water Testing Kit for pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity & Carbonate

Test Kits

PetMad 7 in 1 Aquarium Test Strips - Freshwater, Fish Tank and Water Testing Kit for pH, Nitrate, Nitrite, Chlorine, Hardness, Alkalinity & Carbonate

$15.99

YINMIK EC Calibration Solution, 200mL 12.88 mS/cm Liquid for EC TDS Meter

Test Kits

YINMIK EC Calibration Solution, 200mL 12.88 mS/cm Liquid for EC TDS Meter

★★★★★4.2

$51.99

KINGYEENUO 7 in 1 Aquarium Test Kit, 100 Strips Aquarium Water Test Kit, Test Strips for Freshwater Saltwater Aquarium, Fast & Accurate Water Testing Strips for Pond/Pool

Test Kits

KINGYEENUO 7 in 1 Aquarium Test Kit, 100 Strips Aquarium Water Test Kit, Test Strips for Freshwater Saltwater Aquarium, Fast & Accurate Water Testing Strips for Pond/Pool

$53.99

Test Kits

ARKA myAQUA pH Meter & TDS/EC Meter Set - Perfectly Calibrated for Aquariums, Pools, Ponds & Drinking Water. Ideal for Precise Water Quality Measurements

$70.99

API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit (Pack of 2)

Test Kits

API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit (Pack of 2)

$55.99

Adiwo Aquarium Test Strips, 7 in 1 Fish Tank Test Kit, Freshwater Saltwater Aquarium Water Test Kit to Detect pH Nitrite Nitrate Chlorine Carbonate Hardness, Testable in 60 seconds (GH & KH) (100 Pcs)

Test Kits

Adiwo Aquarium Test Strips, 7 in 1 Fish Tank Test Kit, Freshwater Saltwater Aquarium Water Test Kit to Detect pH Nitrite Nitrate Chlorine Carbonate Hardness, Testable in 60 seconds (GH & KH) (100 Pcs)

$18.99

Jinpojun TDS Tester, Water Quality Meter LCD Pen with 0-999 PPM Measurement Range, Water Testers for Household Drinking Water, Pool, Hydroponics, Aquarium

Test Kits

Jinpojun TDS Tester, Water Quality Meter LCD Pen with 0-999 PPM Measurement Range, Water Testers for Household Drinking Water, Pool, Hydroponics, Aquarium

$18.99

JBL PROAQUATEST pH 3.0-10.0 REFILL

Test Kits

JBL PROAQUATEST pH 3.0-10.0 REFILL

$19.99

Test Kits

JBL PROAQUATEST pH 6.0-7.6 REFILL

$19.99

Fukamou Aquarium Test Strips - 7-Way Aquarium Testing Kit for Freshwater Saltwater,Fish Tank Test Strips, Ph, Alkalinity, Chlorine, Carbonate, Hardness Testing Strips

Test Kits

Fukamou Aquarium Test Strips - 7-Way Aquarium Testing Kit for Freshwater Saltwater,Fish Tank Test Strips, Ph, Alkalinity, Chlorine, Carbonate, Hardness Testing Strips

$25.99

Dr. SAM Tick Test for Dogs and Cats Pawcheck Lyme Disease Test as a Simple Certified Laboratory Test for Home - Quick Result - Tick Test for Dogs and Cats

Test Kits

Dr. SAM Tick Test for Dogs and Cats Pawcheck Lyme Disease Test as a Simple Certified Laboratory Test for Home - Quick Result - Tick Test for Dogs and Cats

$189.99

Test Kits

Dr. SAM Worm Test for Dogs and Cats - Health Test Kit as a Simple Certified Laboratory Test for Home - Fast Result - Worm Test for Dogs and Cats

$111.99

Dissolved Oxygen Meter with ATC Portable DO Meter with Long Cable, Dissolved Oxygen Test Kit Tester with Self Floating Probe Electrode

Test Kits

Dissolved Oxygen Meter with ATC Portable DO Meter with Long Cable, Dissolved Oxygen Test Kit Tester with Self Floating Probe Electrode

$378.99

TDS Meter Digital Water Tester - High Accuracy ±2% - Water Quality Meter - Updated Model

Test Kits

TDS Meter Digital Water Tester - High Accuracy ±2% - Water Quality Meter - Updated Model

$26.99

TRIXIE practical worm test for dogs, for home use, 19.5 × 15 × 2 cm. - 24202

Test Kits

TRIXIE practical worm test for dogs, for home use, 19.5 × 15 × 2 cm. - 24202

$109.99