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10 bestPh Test Kitsof November 2025

112M consumers helped this year.

19% off

1

API 800 Test Freshwater Aquarium Water Master Test Kit

API 800 Test Freshwater Aquarium Water Master Test Kit

API 800 Test Freshwater Aquarium Water Master Test Kit

API

9.7

Buy it on Amazon

5% off

2

NT Labs Aquarium Lab Multi-Test Kit (6 Key Parameters - Ammonia, Nitrite, Nitrate, pH, General Hardness and Carbonate Hardness), Aquarium Kit, Accurate Results, Up to 200 Tests Combine, Liquid Tests

NT Labs Aquarium Lab Multi-Test Kit (6 Key Parameters - Ammonia, Nitrite, Nitrate, pH, General Hardness and Carbonate Hardness), Aquarium Kit, Accurate Results, Up to 200 Tests Combine, Liquid Tests

NT Labs Aquarium Lab Multi-Test Kit (6 Key Parameters - Ammonia, Nitrite, Nitrate, pH, General Hardness and Carbonate Hardness), Aquarium Kit, Accurate Results, Up to 200 Tests Combine, Liquid Tests

NT Labs

9.4

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3

NT Labs Pond Lab Multi-Test Kit (6 Key Parameters - Ammonia, Nitrite, Nitrate, pH, General Hardness & Carbonate Hardness), Pond Water Test Kit, Accurate Results, Up to 200 Tests Combined, Liquid Test

NT Labs Pond Lab Multi-Test Kit (6 Key Parameters - Ammonia, Nitrite, Nitrate, pH, General Hardness & Carbonate Hardness), Pond Water Test Kit, Accurate Results, Up to 200 Tests Combined, Liquid Test

NT Labs Pond Lab Multi-Test Kit (6 Key Parameters - Ammonia, Nitrite, Nitrate, pH, General Hardness & Carbonate Hardness), Pond Water Test Kit, Accurate Results, Up to 200 Tests Combined, Liquid Test

NT Labs

9.2

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19% off

4

EASYTEST 6 in 1 Aquarium Test Strips, 150 Strip Pack Aquarium Water Test Kit for Freshwater, Fish Tank, Fish Pond, Accurate Testing Total Hardness, Carbonate Nitrate, Nitrite, Cl2, pH

EASYTEST 6 in 1 Aquarium Test Strips, 150 Strip Pack Aquarium Water Test Kit for Freshwater, Fish Tank, Fish Pond, Accurate Testing Total Hardness, Carbonate Nitrate, Nitrite, Cl2, pH

EASYTEST 6 in 1 Aquarium Test Strips, 150 Strip Pack Aquarium Water Test Kit for Freshwater, Fish Tank, Fish Pond, Accurate Testing Total Hardness, Carbonate Nitrate, Nitrite, Cl2, pH

EASYTEST

8.9

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5% off

5

JBL ProAquaTest Lab Water Test Case with 14 Tests and Accessories for Freshwater Aquariums and Tap Water

JBL ProAquaTest Lab Water Test Case with 14 Tests and Accessories for Freshwater Aquariums and Tap Water

JBL ProAquaTest Lab Water Test Case with 14 Tests and Accessories for Freshwater Aquariums and Tap Water

JBL

8.6

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OtherRelated productsUp to 15% off

JBL Water Test Kit, With 6 tests and accessories, For fresh water aquariums, Refill, ProAquaTest Combi Set Plus NH4

JBL Water Test Kit, With 6 tests and accessories, For fresh water aquariums, Refill, ProAquaTest Combi Set Plus NH4

150 Pcs Aquarium Test Strips, 7-in-1 Fish Tank Test Kit for Free Chlorine, Ammonia Nitrogen, Nitrate, Nitrite,Carboonate Root, pH Testing, Professional Water Test Strips for Aquarium Pond Freshwater

150 Pcs Aquarium Test Strips, 7-in-1 Fish Tank Test Kit for Free Chlorine, Ammonia Nitrogen, Nitrate, Nitrite,Carboonate Root, pH Testing, Professional Water Test Strips for Aquarium Pond Freshwater

envii Pond Test Strips - 5 in 1 Pond & Aquarium Water Test Kit - Testing for pH, KH, GH, Nitrates and Nitrites for use in Fish Tanks, Aquariums & Garden Ponds- 25 Strips Can Be Used All Through Winter

envii Pond Test Strips - 5 in 1 Pond & Aquarium Water Test Kit - Testing for pH, KH, GH, Nitrates and Nitrites for use in Fish Tanks, Aquariums & Garden Ponds- 25 Strips Can Be Used All Through Winter

Tetra Water Test Set FreshWater Kit to Measure the Aquarium and Pond Ammonia, Nitrite and Ph Levels

Tetra Water Test Set FreshWater Kit to Measure the Aquarium and Pond Ammonia, Nitrite and Ph Levels

45% off

6

API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box

API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box

API 5-IN-1 TEST STRIPS Freshwater and Saltwater Aquarium Test Strips 25-Count Box

API

8.4

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17% off

7

API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit

API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit

API PH TEST KIT 250-Test Freshwater Aquarium Water pH Test Kit

API

8.1

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9% off

8

NT Labs Marine Lab Multi-Test Kit (4 Key Parameters - Ammonia, Nitrite, Nitrate & pH), Marine Water Test Kit, Accurate Results, Up to 155 Tests Combined, Liquid Drop Tests

NT Labs Marine Lab Multi-Test Kit (4 Key Parameters - Ammonia, Nitrite, Nitrate & pH), Marine Water Test Kit, Accurate Results, Up to 155 Tests Combined, Liquid Drop Tests

NT Labs Marine Lab Multi-Test Kit (4 Key Parameters - Ammonia, Nitrite, Nitrate & pH), Marine Water Test Kit, Accurate Results, Up to 155 Tests Combined, Liquid Drop Tests

NT Labs

7.8

Buy it on Amazon

24% off

9

NT Labs Aquarium Water Mini Test (3 Key Parameters - pH, Nitrite and Ammonia), Maintain Excellent Water Quality, Accurate Results, Liquid Drop Tests

NT Labs Aquarium Water Mini Test (3 Key Parameters - pH, Nitrite and Ammonia), Maintain Excellent Water Quality, Accurate Results, Liquid Drop Tests

NT Labs Aquarium Water Mini Test (3 Key Parameters - pH, Nitrite and Ammonia), Maintain Excellent Water Quality, Accurate Results, Liquid Drop Tests

NT Labs

7.5

Buy it on Amazon

10

AquaCare 6 in 1 Aquarium Master Test Kit for Freshwater Aquariums includes tests for Ammonia, Nitrite, Nitrate, pH, Phosphate and KH

AquaCare 6 in 1 Aquarium Master Test Kit for Freshwater Aquariums includes tests for Ammonia, Nitrite, Nitrate, pH, Phosphate and KH

AquaCare 6 in 1 Aquarium Master Test Kit for Freshwater Aquariums includes tests for Ammonia, Nitrite, Nitrate, pH, Phosphate and KH

AquaCare

7.2

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