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Best ph meters - August 2025

Last Updated - August 5, 2025

1
Best Choice

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Extech

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

Extech

$204.00

More Details
Main highlights
- Simultaneous display of Harmonics and Waveform
- Large backlighting LCD displays up to 35 parameters in one screen
- For single and 3-phase/3-wire or 3-phase/4-wire systems
- Datalog up to 52,428 single phase readings or 17,476 3-phase readings
- Current Probes sold separately
$204.00
2

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Milwaukee

pH/Temperature Portable Meter - Milwaukee Instruments MW102

Milwaukee

$163.70

More Details
Main highlights
- Low maintenance, high performance gel-filled, double junction lab grade pH electrode
- High accuracy of ±0.02 pH
- Fast automatic Temp. Compensation (ATC) with stainless temperature probe
- Extended range of -2.00 pH to 16.00 pH
- Easy to read results, with large digital LCD readout
- Automatic calibration - up to two points
$163.70
3
25% Off

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Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Apera Instruments
25% Off

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

Apera Instruments

$49.50

$66.00
(25% Off)

More Details
Main highlights
- Up to 2000 hours' continuous operation, powered by AAA batteries
- Easy auto. calibration with buffer recognition; auto. temp. compensation (ATC) ensures accuracy in various temperatures (32 to 122F)
- Comes in a rugged carrying case with pH 4&7 buffers and a lanyard
- Backed by Apera quality pH sensor with low impedance, ensuring high response rate
- Auto recognition of stable values improves consistency, so you don't have to guess when to manually hold measurement
$49.50
$66.00 (25% Off)
4
Best Value
26% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

VIVOSUN
26% Off

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

VIVOSUN

$13.99

$18.99
(26% Off)

More Details
Main highlights
- PH Meter: Full measurement range of pH 0 - 14, reliable and quick readings
- Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers
- Features: Comes with protective case; Lightweight, handheld design for portability and convenience
- Application: Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
- 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
$13.99
$18.99 (26% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

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

YAMRON

$32.98

More Details
Main highlights
- 【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.
- 【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.
- 【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.
- 【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.
- 【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.
- 【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.
$32.98

Best ph meters - August 2025

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

pH/Temperature Portable Meter - Milwaukee Instruments MW102

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

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

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

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