Advertising Disclosure

Best ph meters - April 2025

Last Updated - April 26, 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.

Apera Instruments

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

Apera Instruments

$78.50

More Details
Main highlights
- The smiley icon indicates stable readings so you won't have to guess when is the right time to record the measurements
- 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
- Large LCD with 3 backlit colors (indicating different modes), dual display of temp./pH, and reminders of completed calibrations and stable readings
- High quality replaceable glass pH probe, suitable for regular water solutions e.g. pools&spas, hydroponics, environmental monitoring, cooling towers, beverage, etc.
- 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)
- COMPLETE KIT with READY-TO-USE calibration solutions, calibration bottles, storage solutions, AAA batteries, and a lanyard all in a rugged portable case
- 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
$78.50
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.

AC Infinity

AC Infinity pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools

AC Infinity

$59.99

More Details
Main highlights
- Sensor probe with sensitive glass membrane delivers instant pH readings with high accuracy.
- Measures the acidity, alkalinity, and temperature of water for gardens, aquariums, pools, and more.
- Lab-grade pH monitor testing kit includes ready-to-use 4.00 & 7.00 solutions for long-lasting precision.
- IP-67 rated to be sealed from high-volume moisture, dust, and sand; can also withstand high levels of heat.
- A pH reader for water quality assessment designed to help monitor and maintain proper pH levels.
$59.99
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.

Apera Instruments

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

Apera Instruments

$49.71

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
$49.71
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.

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.This product is patented under U.S. Patent No.8938361.
- 【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.）
- 【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
5
Best Value
23% 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.

Vorago
23% Off

pH Meter, TDS/pH/Temperature 3-in-1 pH Meter for Water, 0-14 pH Measurement Range Digital pH Meter, 0.01 High Precision Water Quality Digital pH Tester with ATC, pH TDS Test Meter for Drinking Water

Vorago

$22.99

$29.99
(23% Off)

More Details
Main highlights
- MULTIPURPOSE PH TESTER - Lightweight and portable size allows you to take TDS meter around easily in your pocket and do your measuring anywhere. Digital TDS pH meter for water can be used to test drinking water, swimming pools, pH balance in aquarium and any other liquids. pH meter with green backlit LCD helps to easily record readings, even in low light conditions
- HIGH ACCURACY WATER METER- Drinking water pH tester with the high-sensitivity probe, you can quickly read the results, measurement range of 0-14.0. With a high accuracy of 0.01 resolution. pH meter provides precise pH readings, ensuring that you get accurate information about the pH level in your water
- AUTOMATIC TEMPERATURE COMPENSATION DIGITAL PH METER- pH meter has an automatic temperature compensation function, which can be adjusted according to the water temperature and water quality. Water meter can accurately determine the pH value of the sample in the temperature range of 32°F-140°F(0°C-60°C), so as to solve the inaccurate problem caused by changing the liquid temperature
- AUTOMATIC CALIBRATION PH TESTER - Digital pH meter has the function of automatic calibration, and is equipped with calibration powder of pH 4.00/pH 6.86/pH 9.18, just press the automatic calibration button, water pH meter will automatically identify the calibration solution. Automatic calibration can ensure accurate and consistent readings every time
- 3-IN-1 PH METER - pH meter has 3-in-1 function, which can measure pH, TDS and temperature with high precision at the same time. All-round measurement of water quality to ensure healthy water quality
$22.99
$29.99 (23% Off)

Best ph meters - April 2025

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

AC Infinity pH Meter Kit, High Precision Digital pH Pen with ±0.1 pH Accuracy, Nutrient Test pH Meter for Water Hydroponics Plants, Gardening, Aquariums, Swimming Pools

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

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

pH Meter, TDS/pH/Temperature 3-in-1 pH Meter for Water, 0-14 pH Measurement Range Digital pH Meter, 0.01 High Precision Water Quality Digital pH Tester with ATC, pH TDS Test Meter for Drinking Water

You may also like...

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

4-in-1 Soil Moisture Meter Digital PH Meter/Soil Moisture/Plant Temperature/Sunlight Intensity, Backlight LCD Display, Soil Test Meter for Garden, Lawn, Plant Care, Farm and Indoor Outdoor Plants

UIUZMAR Digital pH Meter pH TDS EC Meter for Hydroponic Solution pH and EC Meter with LCD Display TDS Water Tester pH PPM Meter for DWC Setup Aeroponic

Digital pH Meter Tester Pen With 3 Calibration Powders, 0.01 Accuracy, Pocket Size, LCD Display for Household Drinking, Pool and Aquarium

Pool Salt Tester & PH Meter, Hofun Digital Salinity Meter and PH Tester for Aquarium and Pool Saltwater Water, 5 in 1 Salinity PH Temp EC and TDS Meter, Aquarium Swimming Pool Hot Tub, High 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

2024 All-New pH Meter for Water - High Accuracy Digital pH Tester (0.01 Precision) with UL Certification and 3 pH Calibration Powders - Ideal for Home Water, Hydroponics, Aquariums, Pools, and More

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

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)

Digital pH Meter for Water Testing - High Precision 0.01 pH Accuracy, 0-14 Measurement Range, with Automatic Temperature Compensation - Perfect for Drinking Water and Pools

Sign up and get exclusive special deals