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Best ph meters - April 2026

Last Updated - April 2, 2026

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.

Apera Instruments

APERA INSTRUMENTS AI316 Premium Series PC60 5-in-1 Waterproof pH/EC (Conductivity) /TDS (ppm) /Salinity (ppt) /Temp. Multi-Parameter Pocket Tester Kit

Apera Instruments

$136.52

More Details
Main highlights
- When the smiley face icon stays on screen, it's the right time to record the measurements.
- Replaceable multi-parameter probe with easy installation
- Measures pH/EC/TDS (ppm)/Salinity/Temp. in a quick and professional manner
- LARGE Clear LCD screen with 3 backlit color (indicating 3 different modes), dual display of temp. + pH/EC/TDS/Salinity, and icons of completed calibrations and stable readings
- Complete kit with ready-to-use calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a portable carrying case
$136.52
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.

Extech

Extech PH100 Waterproof ExStik II pH Meter Kit with Flat Surface Electrode and Temperature Display

Extech

$117.99

$124.00
(5% Off)

More Details
Main highlights
- Temperature:-58 to 572-Degrees F (-50 to 300-Degrees C)
- Stem thermometer with adjustable stainless steel probe
- Fast response; auto Power off after 1 hour
- Detents at 45-Degrees , 90-Degrees , 135-Degrees , and 180-Degrees
- 4.5-Inch (114mm) stainless steel probe adjusts from 0 to 180-Degrees for storage or measurement
$117.99
$124.00 (5% Off)
3
21% 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
21% Off

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

VIVOSUN

$9.49

$11.99
(21% Off)

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
$9.49
$11.99 (21% Off)
4
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 AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy

Apera Instruments

$50.24

$66.00
(24% 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
$50.24
$66.00 (24% Off)
5
Best Value
31% 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
31% 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, Black White, UL Certified

VIVOSUN

$18.04

$25.99
(31% Off)

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.
$18.04
$25.99 (31% Off)

Best ph meters - April 2026

APERA INSTRUMENTS AI316 Premium Series PC60 5-in-1 Waterproof pH/EC (Conductivity) /TDS (ppm) /Salinity (ppt) /Temp. Multi-Parameter Pocket Tester Kit

Extech PH100 Waterproof ExStik II pH Meter Kit with Flat Surface Electrode and Temperature Display

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

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, Black White, UL Certified

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