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Best ph meters - Holiday Sale 2025

Last Updated - December 14, 2025

1
Best Choice
24% 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
24% Off

Apera Instruments, LLC-AI501 PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode

Apera Instruments

$222.43

$294.00
(24% Off)

More Details
Main highlights
- IP54 spill-proof and dust-proof, durable and reliable; 50 Groups of data storage
- Equipped with 201T-F 3-in-1 combination pH electrode, Auto temp. Compensation, measuring pH and temperature simultaneously
- Comes with an easy-to-install electrode holder and pre-mixed calibration solutions
- Advanced digital processing technology helps generate quick and Stable readings
- Advanced Auto. calibration mode with calibration guide and self-diagnosis
$222.43
$294.00 (24% Off)
2
Best Value

✖
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

$219.00

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
$219.00
3

✖
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

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

$15.99

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
$15.99
4

✖
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

VIVOSUN Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, Yellow, UL Certified

VIVOSUN

$9.99

More Details
Main highlights
- What You Get: pH meter, user manual, 2 x 1.5V button cells (built in), 3 x pH buffer powders
- Features: Pocket size, lightweight, backlit function, high quality
- Easy Calibration: Advanced technology makes the test result fast and accurate; LCD screen makes reading clearly
- Application: Ideal for residential or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics
- ATC Function: With Automatic Temperature Compensation (ATC), adjust to water temperature and give pH reading almost instantly
$9.99
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.

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, Black White, UL Certified

VIVOSUN

$18.99

More Details
Main highlights
- User-Friendly Features: Large backlit LCD screens ensure clear readability in all light conditions; Unique hold function locks readings for easy reading and recording; Memory function preserves settings after power interruptions, so you don't need to reset after unexpected shutoffs
- Precision Measurement with ATC: Equipped with ultra-sensitive electrodes, both testers provide rapid, reliable results; They also feature Automatic Temperature Compensation (ATC) function that adjusts for water temperature variations, so you can always get accurate readings, no matter the temperature conditions
- Multiple Applications: This combo is perfect for monitoring pH, TDS, EC, and temperature of your drinking water to safeguard your family; It's also ideal for checking the water quality of swimming pools, spas, RO systems, hydroponics systems, aquariums, and more
- High Accuracy pH Tester: Measures pH levels from 0.00 to 14.00 with ±0.1 pH accuracy; Features one-touch automatic calibration with included buffer powder packs for easy setup
- 3-In-1 TDS Tester: Accurately measures TDS (total dissolved solids), EC (electrical conductivity), and temperature (℃/℉ switchable), meeting your diverse needs; Measuring ranges: 0-9999 ppm TDS, 0-9999 µS/cm EC, 0.1-80℃ / 32-176℉ Temp.
$18.99

Best ph meters - Holiday Sale 2025

Apera Instruments, LLC-AI501 PH700 Benchtop Lab pH Meter, 0.01 pH Accuracy, 1-3 Points Auto Calibration, 3-in-1 pH/Temp. Electrode

Extech PH220-C Waterproof Palm pH Meter with Cabled Electrode

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 Digital pH Meter, 0.01pH High Accuracy Pen Type pH Tester for Hydroponics, Household Drinking, Pool and Aquarium, Yellow, UL Certified

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, Black White, UL Certified

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