Rank Product Name Score
1 Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc. Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.
HoneForest
9.7 GET ON AMAZON
2 VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter VIVOSUN pH and TDS Meter Combo, 0.05ph High Accuracy Pen Type pH Meter ± 2% Readout Accuracy 3-in-1 TDS EC Temperature Meter
VIVOSUN
9.3 GET ON AMAZON
3 Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Set Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Set
Pancellent Inc.
9.2 GET ON AMAZON
4 HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy
HM Digital
8.9 GET ON AMAZON
5 VIVOSUN 4-in-1 Digital pH Meter with ATC, pH/TDS/EC/Temp Function, ±0.1 pH Accuracy, 0-14.0 pH Measurement Range VIVOSUN 4-in-1 Digital pH Meter with ATC, pH/TDS/EC/Temp Function, ±0.1 pH Accuracy, 0-14.0 pH Measurement Range
VIVOSUN
8.6 GET ON AMAZON
6 TDS Meter Digital Water Tester - ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More | White TDS Meter Digital Water Tester – ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More | White
Health Metric
8.4 GET ON AMAZON
7 Bluelab PENCON Conductivity Pen Fully Waterproof Pocket Tester, CF, EC, PPM 500, PPM 700 Bluelab PENCON Conductivity Pen Fully Waterproof Pocket Tester, CF, EC, PPM 500, PPM 700
Bluelab Corporation Limited – Import (NZ)
8.0 GET ON AMAZON
8 KETOTEK Digital Water TDS Meter PH Meter, PPM Tester has TDS-EC-Temp (3-in-1) and ±2% Accuracy, PH Tester with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums Water, Hydroponics, RO System KETOTEK Digital Water TDS Meter PH Meter, PPM Tester has TDS-EC-Temp (3-in-1) and ±2% Accuracy, PH Tester with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums Water, Hydroponics, RO System
KETOTEK
7.7 GET ON AMAZON
9 3 in 1 pH/EC/Temp Meter ATC Waterproof with black-light Water Quality Combo Multi-Parameter Tester Monitor Analyzer Test Kit for Aquariums Hydroponics Pool Spa Drinking water Laboratory 3 in 1 pH/EC/Temp Meter ATC Waterproof with black-light Water Quality Combo Multi-Parameter Tester Monitor Analyzer Test Kit for Aquariums Hydroponics Pool Spa Drinking water Laboratory
TekcoPlus Ltd
7.3 GET ON AMAZON
10 Water Tester Digital TDS Meter - Hofun TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics Water Tester Digital TDS Meter – Hofun TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics
Hofun
7.1 GET ON AMAZON

Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

Water Quality Tester, Accurate and Reliable, HoneForest TDS Meter, EC Meter & Temperature Meter 3 in 1, 0-9990ppm, Ideal Water Test Meter for Drinking Water, Aquariums, etc.

    Features:

  • ✔ACCURATE AND RELIABLE: To achieve high accuracy, equipped with premium quality titanium alloy probe, and reliable Automatic Temperature Compensation (ATC) ensures reading always be accurate at various temperatures.
  • ✔MULTIFUNCTIONAL AND UPGRADED: Professional TDS, EC and Temperature Pen 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use.
  • ✔EASY AND INSTANTLY: Just turn TDS meter on and stir water gently, then stabilized readings will be auto-locked on LCD in seconds, and the tds ppm meter will shut off automatically if without operation over 2 minutes.
  • ✔MULTIPURPOSE TDS TESTER: Test the purity of drinking water to ensure it’s healthy, monitor if Reverse Osmosis (RO)/DI System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), pool and spa, etc.
  • ✔3 YEARS WARRANTY. And we offer 90 days Money Back Guarantee if not totally happy with the digital TDS water tester meter.

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

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

    Features:

  • 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

Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Set

Water Quality Test Meter Pancellent TDS PH EC Temperature 4 in 1 Set

    Features:

  • [ Convenience Use ] 5 Seconds know water quality, Accuracy, Faster. This set Combo of TDS PH EC Temperature. Also it have Best Price, Trustable Quality, all make it be your FIRST water quality Test.
  • [ How Accuracy? ] PH resolution is 0.01pH,accuracy ±0.05pH.TDS:0~9990ppm,Conducitivity:0~9990us/cm,Accuracy:±2%.This’s same as big brand resolution in Amazon, but Pancellent test only need half price of them.
  • [ Lasted Model ] PH pen have AUTO CALIBRATION function, not need any kind of screwdrivers to calibrate the pH pen tester.TDS pen have Lock & auto shut off function.
  • [ Pocket Portable ] Small size but Suitable for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics.
  • [ Money Back Guarantee ] Pancellent (Plan of excellent) to provide 30 days Money Back Guarantee and 120 days Replacement Service.

HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

HM Digital COM-80 Electrical Conductivity (EC) and Total Dissolved Solids Hydro Tester, 0-5000 ppm TDS Range, 1 ppm Resolution, 2% Readout Accuracy

    Features:

  • Measures electrical conductivity (EC), TDS and temperature.
  • Automatic Temperature Compensation (ATC)
  • Hold button and Auto shut-off
  • Digital Calibration (push button)

VIVOSUN 4-in-1 Digital pH Meter with ATC, pH/TDS/EC/Temp Function, ±0.1 pH Accuracy, 0-14.0 pH Measurement Range

VIVOSUN 4-in-1 Digital pH Meter with ATC, pH/TDS/EC/Temp Function, ±0.1 pH Accuracy, 0-14.0 pH Measurement Range

    Features:

  • 4-in-1 MODE: With VIVOSUN 4-in-1 PH tester, you can accurately measure PH, TDS, EC and Temp value; Know water quality clearly to ensure your family members’ health
  • HIGH ACCURACY: With high sensitive probe, you can quickly read the results; wide measurement range and high resolution guarantee that you can measure different kinds of liquids
  • AUTOMATIC TEMPERATURE COMPENSATION: With ATC function, VIVOSUN 4-in-1 pH meter solve the inaccurate measuring problem caused by the change of liquid temperature; Easy to get a reliable, stable reading
  • EASY TO USE: After calibration, put the sensor into the solution you want to test, and get the data immediately; Before another testing, wash the probe carefully; Or you may get a inaccurate reading
  • WIDE APPLICATION: Ideal for household and laboratory testing applications; Buy one for drinking water, beer, kombucha testing; Good for aquariums and hydroponics using, too

TDS Meter Digital Water Tester – ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More | White

TDS Meter Digital Water Tester - ppm Meter, EC & Temperature Test Pen 3-in-1 | Easy to Use Water Quality Tester | Ideal for Testing RO Drinking Water Hydroponics Aquarium Swimming Pool & More | White

    Features:

  • ✅ FAST, RELIABLE AND EASY TO USE – Just dip in the TDS meter, stir, and get your results in seconds. No calibration or setup needed, you can use it straight out of the box. Follow the step-by-step instructions then check the easy-to-read screen.
  • ✅ UPGRADED ACCURACY THAT LASTS – With the titanium alloy probe and the latest sensors, you can get almost exact readings every time. What’s more, the digital TDS water tester can be easily recalibrated for extended precision whenever needed.
  • ✅ SUITABLE FOR ANY TYPE OF TDS OR EC TESTING – Check the total dissolved solids or electric conductivity of your aquarium, pool, or any water source. You can determine the effectiveness of your RO, DI, or distillation unit, check the nutrient levels of your hydroponic setup, and more.
  • ✅ RESULTS YOU CAN UNDERSTAND – Your free user guide explains exactly what the results mean, and what you may want to do about them. If you have any questions, just ask our team of EPA water quality experts. We’re here to help!
  • ✅ SAVE THE MONEY AND HASSLE – Instead of forking out for an expensive lab test or professional equipment, you can get reliable results from home. This ppm meter can also be taken anywhere with you in the free leather case, ready to test on the go.

Bluelab PENCON Conductivity Pen Fully Waterproof Pocket Tester, CF, EC, PPM 500, PPM 700

Bluelab PENCON Conductivity Pen Fully Waterproof Pocket Tester, CF, EC, PPM 500, PPM 700

    Features:

  • Conductivity pen can monitor your nutrient level to maximize your grow and ensure plants get the balanced feed they need; calibration optional
  • Auto temperature compensation makes this digital meter a handy tool with backlit LCD display and selectable units
  • Complete your monitor and controller system with other testers and meters from Bluelab
  • Other features: auto off function, low battery indicator, units for temperature; KIT INCLUDES: AAA battery
  • Made in New Zealand and manufactured by Bluelab, the industry leader in hydroponic testing equipment; 1 Year Limited Warranty with proof of purchase

KETOTEK Digital Water TDS Meter PH Meter, PPM Tester has TDS-EC-Temp (3-in-1) and ±2% Accuracy, PH Tester with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums Water, Hydroponics, RO System

KETOTEK Digital Water TDS Meter PH Meter, PPM Tester has TDS-EC-Temp (3-in-1) and ±2% Accuracy, PH Tester with 0-14.00PH and 0.01 Accuracy, TDS PH Meters for Aquariums Water, Hydroponics, RO System

    Features:

  • COST-EFFECTIVE PRODUCT PARTNER AND MORE WATER QUALITY INFORMATION CAN BE TESTED. It would be more economical and convenient than purchasing it separately. The testing data from PPM meter and PH meter all are practical. The pen meter partner also can be separately used whenever you need.
  • WIDELY USED AND ACCURATE. Digital TDS meter has measurement range 0-9999ppm and ±2% accuracy, TDS meter can also test the liquid temperature in Fahrenheit or degree celsius. PH meter has measurement range 0.00- 14.00PH, 0.01PH accuracy and 0.01PH resolution.
  • AUTO-OFF FUNCTION AND EASY TO USE. Digital TDS meter and digital PH meter both have the function of Auto-off, it will automatically shut off after 5 minutes of inactivity to save the battery’s life. The TDS meter and PH meter both are easy to use, just need to press “ON/OFF” to open and use it, and just need to press “ON/OFF” to close it.
  • AUTOMATIC TEMPERATURE COMPENSATION ( ATC ). Digital TDS tester and PH tester both have the function of ATC, the measuring data won’t be influenced by the water temperature, no matter testing the TDS-EC or PH of the water.
  • SMALL SIZE AND POCKET PORTABLE. TDS tester and PH tester have small size and low weight as a pen, they are easy to be carried, and convenient for you to take it in your pocket when you go out.

3 in 1 pH/EC/Temp Meter ATC Waterproof with black-light Water Quality Combo Multi-Parameter Tester Monitor Analyzer Test Kit for Aquariums Hydroponics Pool Spa Drinking water Laboratory

3 in 1 pH/EC/Temp Meter ATC Waterproof with black-light Water Quality Combo Multi-Parameter Tester Monitor Analyzer Test Kit for Aquariums Hydroponics Pool Spa Drinking water Laboratory

    Features:

  • THREE- in- ONE : pH Measurement , EC Measurement, Temperature Measurement
  • EASY CALIBRATION: pH and EC with just a mini-screwdriver; Automatic Temperature Compensation (without this, pH reading will differ as the temperature varies)
  • Convertible temperature readout in degree Centigrade and degree Fahrenheit, quick and easy to get your wanted result
  • WIDE APPLICATIONS : Beverage, fish hatcheries, food processing, aquarium, photography, laboratory, quality control, school & colleges, swimming pools, water conditions.
  • COMES WITH : 1 x pH EC Temperature Meter 3 x Calibration Buffer Powder (pH 4.01, pH6.86 and pH9.18) 1 x Calibration Solution (EC 1413) 1 x English User Manual 1 x Mini Screwdriver 4 x AG13 Buttons Batteries Standard Factory packaging

Water Tester Digital TDS Meter – Hofun TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics

Water Tester Digital TDS Meter - Hofun TDS, EC & Temperature Meter 3 in 1, 0-9999 ppm Accurate, PPM Meter for Drinking Water Test, Coffee, Swimming Pool, Aquarium, RO/DI System, Hydroponics

    Features:

  • ✔[ RELIABLE TDS METER WITH ACCURATE & QUICK MEASUREMENT ] Equipped with premium quality titanium alloy probe, TDS water quality tester enables quick and convenient test. Put the probe into water and LCD shows accurate TDS figure in seconds. In addition, advanced and reliable Automatic Temperature Compensation (ATC) ensures measurement accuracy, which reaches 0-9999ppm, making it fits multiple uses, drinking water test, swimming pool, laboratory, Hydroponics, aquarium, well water, etc.
  • ✔[ BONUS 3 in 1 TDS , EC & TEMPERATURE METER ] Hofun 3 in 1 TDS meter, Electric Conductivity Meter& Temperature Meter features the most updated technology. Three different measurement needs can be fulfilled by one meter. Not only been convenient for you, but also saves your time and money, absolutely a helpful kit for your life.
  • ✔[ EASY READING BIG BACKLIT LCD DISPLAY & QUALIFIED WATER TELLER ] Hofun water hardness test meter with Big Backlit LCD is far superior than most digital water quality tester display, which allows wider angles of data reading and night reading. Besides, Red backlight ( ppm figure over 40 ) means non-drinking water. Green backlight ( ppm figure below 40 ) indicates TDS figure qualified for direct drinking water (Notes: International standard adopted TDS figure 40 as a dividing line.)
  • ✔[ EASY OPERATION & ENERGY SAVING ] Hofun ppm meter allows one button operation, turn it on and put tds meter into water, you can get your desired data in seconds. Besides, there is a chart at the back of this test meter for figure reference.
  • [ YOUR INVESTMENT IS FULLY GUARANTEED ] HOFUN water hardness test meter is manufactured under extra high standards and of super good quality. We will always try our every effort to provide our customers 100% satisfaction. No more hesitate to order our water quality tester.

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