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Best ph meters - July 2025

Last Updated - July 27, 2025

1
Best Choice

✖
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

Portable pH and Temperature Meter - Milwaukee Instruments MW102

Milwaukee

$163.70

More Details
Main highlights
- Fast easy to read results with large digital LCD readout. Lightweight and portable. Easy measurement: just place the probe in the sample, gently stir and wait for the reading to stabilize. Automatic Temp. Compensation (ATC). Automatic two-point calibration for increased accuracy. Extreme accuracy to ±0.02 pH and extended range (-2.00 pH to 16.00 pH) . Low maintenance, high performance gel-filled, double junction lab grade pH electrode included. Rugged stainless temperature probe.
$163.70
3
25% 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.

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

$13.98

$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
$13.98
$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.

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

YINMIK

$27.99

$29.99
(6% Off)

More Details
Main highlights
- {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.
- {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.
- {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.
- {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.
- {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.
$27.99
$29.99 (6% Off)

Best ph meters - July 2025

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

Portable pH and Temperature 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

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

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