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10 bestPh Testersof March 2025

112M consumers helped this year.

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Pro TDS Meter Digital Water Tester - 3 in 1 ppm EC and Temperature Test Pen | Easy to Use Water Purity Tester | Ideal for Testing RO Drinking Water Swimming Pool Hydroponics Aquarium & More | Green
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1

Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy
Apera Instruments AI311 Premium Series PH60 Waterproof pH Pocket Tester Kit, Replaceable Probe, ±0.01 pH Accuracy

Apera Instruments

9.9

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2

GuDoQi Digital PH Meter, 5 in 1 Water Quality Tester with Backlight, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Aquarium, Spas, Drinking Water
GuDoQi Digital PH Meter, 5 in 1 Water Quality Tester with Backlight, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Aquarium, Spas, Drinking Water

GuDoQi

9.8

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3

Apera Instruments PC60 Premium 5-in-1 Waterproof pH/Conductivity/TDS/Salinity/Temp. Multi-Parameter Pocket Tester, Replaceable Probe
Apera Instruments PC60 Premium 5-in-1 Waterproof pH/Conductivity/TDS/Salinity/Temp. Multi-Parameter Pocket Tester, Replaceable Probe

Apera Instruments

9.6

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4

Apera Instruments AI209 PH20 Value Waterproof pH Pocket Tester, ±0.1 pH Accuracy, 0-14.0 pH Range, Complete Kit
Apera Instruments AI209 PH20 Value Waterproof pH Pocket Tester, ±0.1 pH Accuracy, 0-14.0 pH Range, Complete Kit

Apera Instruments

9.5

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5

GuDoQi PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01 Resolution TDS PH EC Temperature 4 in 1 Set for Drinking Water, Hydroponics, RO System, Aquarium, Swimming
GuDoQi PH Meter, TDS Meter Combo, Pool Water Test Kit, PH Tester Digital, PPM Meter, 0.01 Resolution TDS PH EC Temperature 4 in 1 Set for Drinking Water, Hydroponics, RO System, Aquarium, Swimming

GuDoQi

9.3

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Pro TDS Meter Digital Water Tester - 3 in 1 ppm EC and Temperature Test Pen | Easy to Use Water Purity Tester | Ideal for Testing RO Drinking Water Swimming Pool Hydroponics Aquarium & More | Green

Pro TDS Meter Digital Water Tester - 3 in 1 ppm EC and Temperature Test Pen | Easy to Use Water Purity Tester | Ideal for Testing RO Drinking Water Swimming Pool Hydroponics Aquarium & More | Green

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General Hydroponics PH Test Kit, 1-Ounce

General Hydroponics PH Test Kit, 1-Ounce

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Milwaukee Instruments MW102 Ph and Temperature Meter

Milwaukee Instruments MW102 Ph and Temperature Meter

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Root Farm 10101-10140 pH Test Kit

Root Farm 10101-10140 pH Test Kit

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6

PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack
PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack

Extenuating Threads

9.0

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7

Bluelab METCOMPLUS Combo Meter Plus for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS) Testing Kit for Hydroponic System and Indoor Plant Grow
Bluelab METCOMPLUS Combo Meter Plus for pH, Temperature, and Conductivity in Water and Soil with Easy Calibration, Digital Nutrient (TDS) Testing Kit for Hydroponic System and Indoor Plant Grow

bluelab

8.8

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8

SX610 Waterproof pH Pen Tester, ±0.1 pH Accuracy, 0-14.0 pH Range, Suitable for Test Tube Testing, Replaceable Probe
SX610 Waterproof pH Pen Tester, ±0.1 pH Accuracy, 0-14.0 pH Range, Suitable for Test Tube Testing, Replaceable Probe

Apera Instruments

8.5

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9

6-in-1 Waterproof pH/ORP/TDS/EC (Conductivity)/Salinity/Temp Meter Pocket Size Multi-Parameter Water Quality Tester Kit Replaceable ORP Probe
6-in-1 Waterproof pH/ORP/TDS/EC (Conductivity)/Salinity/Temp Meter Pocket Size Multi-Parameter Water Quality Tester Kit Replaceable ORP Probe

GAIN EXPRESS

8.2

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10

General Hydroponics PH Test Indicator, 8-Ounce
General Hydroponics PH Test Indicator, 8-Ounce

General Hydroponics

7.9

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