10 Best Ph Tester of August 2025

List of Top Rated Ph Tester from thousands of customer reviews & feedback.

Updated On Aug 2025

1,476 Reviews Studied

By Customer Ratings

1
Image
VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature M... Read Review

  • Great for all home and laboratory TDS & pH testing applications including aquariums, swimming pools
  • pH meter: Full measurement range of pH 0 - 14, reliable and quick readings
  • 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.
  • Comes with protective case; Lightweight, handheld design for portability and convenience
  • Due to recently reviews about 1413 solution, please note that TDS Meter had been calibrated by 1413 solution in advance; You can use it directly and it could last for 1 year without second calibration; So 1413 calibraiton solution is not included

2
Image
VIVOSUN PH Meter Digital PH Tester Pen for Water Read Review

  • Ideal for residential or commercial use, water, pool, spas, liquid food, laboratory, aquaculture and hydroponics.
  • Advanced technology makes the test result fast and accurate.Easy calibration (pH4.00, pH6.86).
  • Pocket size, lightweight, high quality.
  • With Automatic Temperature Compensation (ATC). Adjust to water temperature and give pH reading almost instantly.
  • What You Get: VIVOSUN pH meter, user manual, 2 x 1.5V button cells (built in), 3 x pH buffer powders, 1-year warranty and friendly customer service.

3
Image
PH Meter for Water Hydroponics Digital PH Tester Pen 0.01 High Accuracy Pocket Size with 0-14 PH Measurement Range for H... Read Review

  • 【How to use calibration】Press CAL for 5 seconds to enter the calibration mode, press in turn to select the powders corresponding to 6.86, 4, and 9.18 to complete the calibration.
  • 【Mini Size】The mini size ph meter we designed allows you to easily put it in your pocket, so you can take measurements anytime, anywhere. It can help you test it whether you take it to the pool, on a trip, to the beach or camping.
  • 【Family Essentials】As a tool to improve the quality of life. Can be used to test drinking water, swimming pools, PH balance in aquarium, RO system, spa or hydroponics. Basically all the environments that need to test PH value can use this tester to get accurate data.
  • 【High Accuracy】ph tester has a sensitive electrode sensor ,simply press "ON", It only takes a few seconds for your result to appear on screen.read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading.
  • 【Automatic Temperature Compensation】No more need to take care about the temperature of testing liquid,as the Ph Meter Has an Auto Temprature Compensation Feature That Adjusts to Water Temperatures and Water Quality.

4
Image
Apera Instruments AI209 Value Series PH20 Waterproof pH Tester Kit, ±0.1 pH Accuracy Read Review

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

5
Image
General Hydroponics pH Control Kit for a Balanced Nutrient Solution Read Review

  • General Hydroponics pH Control Kit contains 8 oz pH UP, 8 oz pH DOWN, 1 oz indicator and vial
  • General Hydroponics pH Control Kit makes pH testing easy
  • Simply fill a test-tube halfway with the nutrient, add a few drops of pH Test Indicator, and observe the coloration of the liquid in the test vial
  • Many growers prefer our pH Test Kit to expensive electronic meters because of its reliability and ease of use
  • It's everything a grower needs to keep pH levels in the desired range, typically 5.5 to 6.5, in one handy kit

6
Image
Digital PH Meter, PH Meter 0.01 High-Precision Pocket Water Quality Tester, PH Range 0-14, Suitable for Accurate Testing... Read Review

  • AUTO CALIBRATION: The PH meter has an auto temprature compensation feature that adjusts to water temperatures and water quality to give pH readings almost instantly. As well, you can calibrate the tester with one touch button using Buffer Powder.
  • FAST AND HIGH ACCURACY: Our Digital PH Meter can ensure your pool, Ph or even drinking water has a perfect pH balance and safe for use with Tester precision pH accuracy. Tester has a sensitive electrode sensor to read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading.
  • AUTOMATIC TEMPERATURE COMPENSATION: No more need to take care about the temperature of testing liquid, as ph meter has built in (ATC) automatic temperature compensation, so that it can accurately determine pH value of the sample at any temperature in a range of 0°C - 80°C (32°F - 176°F).
  • WIDE USE: Pocket Size PH Meter is the ideal test kit for home and laboratory uses.Suitable for testing the pH of drinking water, swimming pools, aquariums, reverse osmosis systems, spas or hydroponics; ideal for testing water, swimming pools, aquariums, spas, hydroponics, food, wine and beer, etc.
  • MAKE YOU SATISFIED WITH THE PRODUCTS: Come with 1x PH meter, 1x user manual, 2x 1.5V LR44 button cells(build-in), 3x PH Buffer Powders.

7
Image
PH Meter, TDS PPM Meter, Soil PH Tester, PH/EC Digital Kit, 3 Pack Read Review

  • Super value - 1 PH Meter(yellow) +1 TDS & EC Meter (blue)+1soil tester kit (green). Total is 3 PCS.
  • Functions - The digital pH pen is equipped with auto temperature compensation function. TDS meter has lock & auto shut off function(Kindly remind : This meter can't test sea water.). Pushing the button, it can display the data about water purity level on the screen in PPM (parts per million). The soil meter can test soil pH to help you control the PH level in soil. (Note: this tester is designed for testing soil ONLY.)
  • Accurate & reliable - these testers can test quickly and accurately within ±0.01 pH. It only takes a few seconds to show accurate and stable reading for the result to appear on screen.
  • Easy to use - ph tester and TDS meter have sensitive electrode sensor ,simply press "ON". It only takes a few seconds for your result to appear the data on screen. Soil test kit just need to insert the probes into the soil about 4-6 inches, and wait for about 10 seconds to read the intuitive data. No battery required.
  • Widely application - these meters are designed small and convenient. PH meter and TD&EC meter can test pH balance, ideal for testing drinking water, swimming pools, aquarium, spas, hydroponics, food and more. Soil tester is applicable to plants, garden, lawn and farm such as rice/vegetables/flowers etc.

8
Image
Digital pH Meter with ATC pH Tester, 3 in 1 pH TDS Temp 0.01 Resolution High Accuracy Pen Type Tester, Water Tester for... Read Review

  • 3-in-1 pH Meter - pH meter has a three-in-one 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.
  • Automatic Calibration pH Tester - With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. And pH meter uses a 3-point calibration method, calibrating the electrode to solutions of pH 4.00, pH 6.86, and pH 9.18,You can calibrate effortlessly to ensure the accuracy of your measurements.
  • High Accuracy Water Tester - High-accuracy algorithm chip and electrode of our digital water ph tester ensure accurate and fast response. Green Backlit LCD Design guarantees that you can read the measuring results in any condition.One-button lock reading function helps lock reading even if the tester is taken out of the sample!
  • Automatic Temperature Compensation pH Meter Digital - No longer need to pay attention to the temperature of testing liquid, meter can accurately determine the pH value of the sample in the temperature range of 0 °C-60 °C (32 °F-140 °F), so as to solve the inaccurate problem caused by changing the liquid temperature.
  • Pocket Size pH Tester Kit - You can use this Pocket Size small but powerful Pen Tester, device to measure your aquarium, pool, pond in a garden, bath tub to test the levels of Ph value, It can also be used to measure drinking water, RO System, spa, soap mixtures, food, wine, beer or any other liquids.

9
Image
Digital PH Meter,Backlight PH Meter 0.01 High Precision Water Quality Tester, PH Range is 0-14, Suitable for Drinking Wa... Read Review

  • 【Wide use】: Very suitable for home or laboratory use. It is suitable for testing the pH balance of drinking water, swimming pools, aquariums, reverse osmosis systems, hot springs or hydroponics. It is suitable for a wide range of applications.
  • 【LCD backlit display】: PH tester bright backlit LCD display, easy to use no matter in the day and night environment, and accurate measurement and clear display results.
  • 【Automatic temperature compensation】:The pH meter has built-in (ATC) automatic temperature compensation function, so it no longer needs to take care of the temperature of the test liquid, so it can accurately measure the pH value of the sample at any temperature in the range of 0 ° C-80 ° C (32 ° F-176 ° F).
  • 【High accuracy】:pH tester has a sensitive electrode sensor ,simply press "ON", It only takes a few seconds for your result to appear on screen,read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading.
  • 【Auto Calibration】:The BASNGE PH meter has an automatic temperature compensation function, which can be adjusted according to the water temperature and water quality, and the pH reading can be obtained almost immediately. Similarly, you can also use "Calibration Buffer Powder" to calibrate the tester with one button.

10
Image
Digital PH Meter, PH Meter 0.01 High-Precision Pocket Water Quality Tester, PH Range 0-14, Suitable for Accurate Testing... Read Review

  • AUTO CALIBRATION: The PH meter has an auto temprature compensation feature that adjusts to water temperatures and water quality to give pH readings almost instantly. As well, you can calibrate the tester with one touch button using Buffer Powder.
  • FAST AND HIGH ACCURACY: Our Digital PH Meter can ensure your pool, general hydroponics ph or even drinking water has a perfect pH balance and safe for use with Tester precision pH accuracy. Tester has a sensitive electrode sensor to read accurate pH levels. The included detailed manual will show you how to get the best accurate and stable reading.
  • AUTOMATIC TEMPERATURE COMPENSATION: No more need to take care about the temperature of testing liquid, as ph meter has built in (ATC) automatic temperature compensation, so that it can accurately determine pH value of the sample at any temperature in a range of 0 DegreeC - 80 DegreeC (32 DegreeF - 176 DegreeF).
  • WIDE USE: Pocket Size PH Meter is the ideal test kit for home and laboratory uses.Suitable for testing the pH of drinking water, swimming pools, aquariums, reverse osmosis systems, spas or hydroponics; ideal for testing water, swimming pools, aquariums, spas, hydroponics, food, wine and beer, etc.
  • MAKE YOU SATISFIED WITH THE PRODUCTS: Come with 1x PH meter, 1x user manual, 2x 1.5V LR44 button cells(build-in), 3x PH Buffer Powders.