Top 10 Best ph meter in 2026

Last Updated - 6/7/2026

🏆Best Choice

VIVOSUN

VIVOSUN Digital pH and TDS Meter Kits, 0.01pH High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter for Hydroponics, Pool and Aquarium, Yellow Blue, UL Certified

9.8

ChoiceComparer.com Score

9.8

/ 10

Outstanding

Main highlights

•Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
•PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings
•3-in-1 TDS Meter: Measurement Range 0-9990ppm, 0-9990µs/cm; Accuracy ± 2%, 0.1- 80.0°C, 32.0-176.0°F; Note: This meter can't test sea water
•Features: Comes with protective case; Lightweight, handheld design for portability and convenience
•Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers

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$13.99

$18.99

-26%

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SONKIR

SONKIR Soil pH Meter, MS02 3-in-1 Soil Moisture/Light/pH Tester Gardening Tool Kits for Plant Care, Great for Garden, Lawn, Farm, Indoor & Outdoor Use (Green)

9.7

ChoiceComparer.com Score

9.7

/ 10

Outstanding

Main highlights

•Kindly NOTE: This soil tester can not be applied to test pH value of any other liquid. If the soil is too dry the indicator will not move, and water it before testing.
•3 METERS IN ONE: Soil moisture level, Soil pH value and Sunlight level could be tested easily according to your need by switching the function button of this soil meter.
•NO BATTERY NEEDED: Simply insert the meter into soil, wait few minutes, accurate test results will be displayed on the readout panel. No battery is needed.
•STURDY AND SCIENTIFIC DESIGN: Reliable materials and upgraded technology used for this soil meter make it advanced and high-quality for long-term use.
•MULTIPURPOSE SOIL TEST KIT: Portable and compact design enables you to use this soil meter for house garden, farm, lawn and any other soil & plant analysis. Ideal for indoor and outdoor use.

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$7.97

$9.99

-20%

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YAMRON

YAMRON 4-in-1 Soil Moisture Meter Digital Plant Temperature/Soil Moisture/PH Meter/Sunlight Intensity Backlight LCD Display Soil Test Meter for Gardening, Farming and Outdoor Plants

9.5

ChoiceComparer.com Score

9.5

/ 10

Outstanding

Main highlights

•【4 in 1 function】This is a 4-in-1 multifunctional soil tester.Our soil tester fastly to measure soil moisture, pH, temperature and sunlight to help you take better care of flowers and plants.You can know when you need to water your soil by measuring moisture and pH & Temperature value of the soil and sunlight level of plants with it.
•【Large Screen ＆ Backlight LCD Display】The Soil Tester uses a large LCD screen and white backlight to conveniently display and read digital parameter in day or dark.Use AAA1.5V * 4 batteries (not included),it will alert when the battery is low.
•【Quick Accurate measurement】The latest probe detection technology in 2024 can quickly and accurately measure the pH, moisture and temperature in the soil，with the light intensity of the light sensor analysis on the instrument, it can allow you to know when to water, to control the pH and temperature acidity, and determine whether the plants have enough light to better cultivate the plants more scientifically.
•【Easy to use】Just simply plug the probe into the soil about 4 inches（10cm) , wait 10 seconds to read intuitive data,and you will get an accurate and precise reading immediately.（This soil tester cannot be used directly to test any liquid. When measuring the soil, if the soil is too dry, do not insert it into dry and hard soil. Before testing, please water the soil test area and wait for 10 minutes, otherwise the testing machine will be damaged.）When testing soil pH and moisture, you need to read data from at least 5 locations in the soil. The average value of all the data will be the final soil pH and moisture.
•【More convenient to read】The screen content adopts visual content design, which helps you read the data through specific values and easy to understand graphics, so that even novice growers can easily understand your soil conditions. The 45° rotating head design allows you to bend your head 0°-45°, allowing you to easily view the screen content without bending over.
•【Wide Range＆Provide satisfactory service】Both indoor and outdoor can be used. The plant measuring instrument can be used for your garden, farm, potted plants, succulent plants, etc.We are committed to providing customers with satisfactory service. If you have any dissatisfaction with the product, please contact us.

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$27.98

$32.98

-15%

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Ruolan

PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for Household Drinking, Pool and Aquarium

9.4

ChoiceComparer.com Score

9.4

/ 10

Excellent

Main highlights

•【How to use calibration】Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4, and 9.18 to complete the calibration.
•【Mini Size】The mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping.
•【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.
•【Easy to use】turn on the switch,put the probe into the water and stir (make the small glass ball fully contact the liquid) and the value can be read when the value is stable.
•【Automatic temperature compensation】There is no need to care about the temperature of the liquid being measured. The PH meter has an automatic temperature compensation function, which can be adjusted according to the water temperature and water quality.

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$7.49

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Apera Instruments

APERA INSTRUMENTS AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

9.2

ChoiceComparer.com Score

9.2

/ 10

Excellent

Main highlights

•Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)
•Backed by Apera quality pH sensor with low impedance, ensuring high response rate
•Comes in a rugged carrying case with pH 4&7 buffers and a lanyard
•Auto recognition of stable values improves consistency, so you don't have to guess when to manually hold measurement
•Up to 2000 hours' continuous operation, powered by AAA batteries

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$50.22

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Ammsia

pH Meter & TDS Meter, 0.01 High Precision Water Quality Tester TDS/pH/Temp 3-in-1 pH Tester for Water, 0-14 pH Test Range, Easy to Read, Calibrate, PPM Meter for Drinking Water, Wine, Food and Pool

9.1

ChoiceComparer.com Score

9.1

/ 10

Excellent

Main highlights

•3-IN-1 TDS/PH METER – This upgraded digital pH meter combines a TDS meter, pH tester, and thermometer in one compact device, accurat1xely measuring pH, TDS, and temperature at the same time. This versatile water tester provides a complete water quality analysis to help ensure clean, safe, and healthy water for drinking, cooking, or gardening.
•EASY TO READ & USE – Designed for user convenience, this pH test kit delivers results within seconds. The bright green backlit LCD displays readings clearly, even in low light, while the straightforward operation makes this water test kit beginner-friendly and ready for quick daily testing.
•HIGH ACCURACY WATER METER – Equipped with a high-sensitivity probe, this TDS tester delivers quick, reliable results. With a measurement range of 0–14.0 pH and a resolution of 0.01, this pH pen ensures precise readings for your water test kit, whether for home, lab, or industrial use.
•AUTOMATIC CALIBRATION – This digital pH meter with ppm meter function supports automatic calibration and includes calibration powders (pH 4.00 / pH 6.86 / pH 9.18). Just press the calibration button, and the water meter will automatically recognize the correct solution—guaranteeing accurate results every time.
•STABLE TEST RESULTS – Built-in Automatic Temperature Compensation (ATC) automatically adjusts readings based on water temperature and quality. This pH meter for food and water delivers accurate results from 32°F–140°F (0°C–60°C), solving inaccuracies caused by temperature changes.
•STABLE TEST RESULTS – Built-in Automatic Temperature Compensation (ATC) automatically adjusts readings based on water temperature and quality. This pH meter for food and water delivers accurate results from 32°F–140°F (0°C–60°C), solving inaccuracies caused by temperature changes.

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$26.99

$29.99

-10%

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Apera Instruments

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

8.9

ChoiceComparer.com Score

8.9

/ 10

Great

Main highlights

•NOTE: A few drops of water are added to the electrode cap before the product leaves the factory. This is to maintain the sensitivity of the electrode. Therefore, when you use it for the first time, it is normal to find water droplets in the electrode cap
•Accuracy: 0.01 pH; range: -2.00 to 16.00 pH, 32 to 122˚F (0 to 50˚C); Auto. Power-Off: 8 minutes without operation
•Easy 1-3 points auto. calibration, recognizes 5 types of solutions (1.68, 4.00, 7.00, 10.01, 12.46); Auto Temp. Compensation (ATC) ensures accuracy in various temperatures (32-122˚F)
•High quality replaceable glass pH probe, suitable for regular water solutions e.g. pools&spas, hydroponics, environmental monitoring, cooling towers, beverage, etc.
•Large LCD with 3 backlit colors (indicating different modes), dual display of temp./pH, and reminders of completed calibrations and stable readings
•The smiley icon indicates stable readings so you won't have to guess when is the right time to record the measurements
•COMPLETE KIT with READY-TO-USE calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a rugged portable case

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$79.66

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YINMIK

pH Meter for Hydroponics PPM EC Meter for Plant Nutrients Simultaneous Measurement of pH Conductivity TDS Temperature for Reservoir Tank Water DWC Aeroponic Garden Indoor Outdoor Growing

8.8

ChoiceComparer.com Score

8.8

/ 10

Great

Main highlights

•{One-click access to the temperature pH EC value of hydroponic nutrients solution} YINMIK 4-in-1 pH EC tester is a professional tester for hydroponic growers. The pH ppm mode is designed for hydroponic basic reservoirs, and the pH EC mode is designed for hydroponic nutrient solutions.The pH and temperature of this product are always displayed on the screen.
•{Latest upgraded version of Hydroponic Tester} This pH tester can be immersed for a long time. You can directly insert it into your hydroponic equipment or hydroponic tube without taking it out to continuously monitor the nutrients. Just turn it on every time to get the real-time value. The extended temperature stainless steel electrode responds quickly. Accurate ATC ensure the accuracy of the EC value of the nutrient solution at different temperatures.
•{With calibration solution, ready to use out of the box, convenient and time-saving} The water quality tester comes with 4.00-7.00 pH calibration solution and 1413μS/cm EC buffer solution. You don't need to spend time and effort to prepare the solution, you can use it after opening it. TDS EC is calibrated before leaving the factory and can be used out of the box.
•{Multi-function tester suitable for home use} This pH test pen can measure planting water, swimming pool water, drinking water, tap water, well water, etc. It can also measure your fermented beer wort and your fish tank water. Any liquid that needs to measure pH EC TDS can be used.
•{Worry-free after-sales service} YINMIK brand purpose is customer first. YINMIK team is online 24 hours , your questions will be answered within 12 hours. In addition, All accessories matching this pH ppm meter can be found in YINMIK Store: pH Calibration powder, pH Calibration Solution, EC Calibration solution, New Replacement probe.

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$26.99

$29.99

-10%

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Aetheriynth

pH Meter for Water, 0.01 High Accuracy 0-14 pH Measurement Range Digital pH Tester, Compact Size Easy to Read Water Test Pen for Drinking Water and Pool, Deep Blue

8.6

ChoiceComparer.com Score

8.6

/ 10

Good

Main highlights

•[ High Accuracy ] PH meter for water has high precision pH accuracy, which can test quickly and accurately within ±0.01 pH. Digital pH meter only takes a few seconds to show accurate and stable reading.
•[ Easy to Calibrate & Use ] Press CAL button of the pH tester digital for 5 seconds to enter the calibration mode, select the powders corresponding to 6.86/4/9.18 to complete the calibration. The pH value of any solution can be tested by just immersing the probe of the pH meter.
•[ Easy to Calibrate & Use ] Press CAL button of the pH tester digital for 5 seconds to enter the calibration mode, select the powders corresponding to 6.86/4/9.18 to complete the calibration. The pH value of any solution can be tested by just immersing the probe of the pH meter.
•[ Family Essentials ] PH meter for water as a tool to improve the quality of life, bring you healthy drinking water, fruit juice, chili sauce, seasoning sauce. At the same time, if you have aquatic pets, the pH tester is also a perfect tool to ensure the safety of the pet's water source.
•[ Family Essentials ] PH meter for water as a tool to improve the quality of life, bring you healthy drinking water, fruit juice, chili sauce, seasoning sauce. At the same time, if you have aquatic pets, the pH tester is also a perfect tool to ensure the safety of the pet's water source.

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$7.99

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YINMIK

YINMIK Water pH Meter, Digital 4 in 1 pH Temp EC TDS Meter for Hydroponics, PH Conductivity PPM Tester with EC Calibration Liquid, Suit for Growing Nutrients,Reservoir Tank,DWC,Brewing,Pool, Aquarium

8.5

ChoiceComparer.com Score

8.5

/ 10

Good

Main highlights

•{4 in 1 Digital pH Meter} YINMIK YK-4N tester has four functions - pH, EC, TDS, temperature.You don't need to prepare multiple testers, YINMIK multi-function tester can meet your home water testing use. With EC calibration liquid, you can measure the hydroponics nutrient solution more accurately. With 6 packs of pH calibration packs, it can be used continuously for more than half a year without worrying about subsequent use.
•{pH and EC Meter for Hydroponics} Most hydroponic nutrient solutions have EC values ranging from 500 to 2400µS/cm, the ideal pH being in 5.5-6.8; the root solution temperature being between 65°F and 80°F. YINMIK pH/EC Meter provides consistent and accurate nutrient readings in your hydroponic garden system to keep your plants balanced and healthy.
•{pH TDS Meter for Water} pH and TDS are two important parameters that determine the suitability of drinking water. YINMIK pH TDS meter is a good tool for testing drinking water. It can detect the PPM value of drinking water, monitor whether the reverse osmosis (RO)/deionization (DI) system is working properly, and whether the filter element needs to be replaced. Check the pH value of the alkaline water from your machine.
•{Wide range of applications} Perfectly used for checking pH value of Hydroponics Nutrient Solution, Home Drinking Water, Swimming Pool/ Hot Tub Water, Aquarium/ Fish Tank Water. Monitoring pH on Home Wine/ Beer/ Juice brewing, Aeroponics, Ro System, Aquaculture. Any liquid that needs to measure pH EC TDS can be used.
•{Worry-free after-sales service} YINMIK brand purpose is customer first. YINMIK team is online 24 hours , your questions will be answered within 12 hours. In addition, All accessories matching this pH ppm meter can be found in YINMIK Store: pH Calibration powder, pH Calibration Solution, EC Calibration solution, New Replacement probe

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$21.99

$27.99

-21%

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