Looking for the Best Ppm Meters available to buy right now on Amazon but don’t want to have to do all the research on the pros and cons of the different types of Ppm Meters?
Pop Expert have put together this list of the top 10 selling Ppm Meters on Amazon – sorted by overall popularity and positive consumer reviews.
The Pop Expert list of top selling Ppm Meters is the ideal place to start when you are trying to find the Best Ppm Meters for your neeeds.
Popular Ppm Meters on Amazon
Details on the Best Ppm Meters
On Sale!Bestseller No. 1
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
- {One-click access to the temperature pH EC value of hydroponic nutrients solution} YINMIK 4-in-1 pH EC tester is a professional tester for hydroponic growers. The pH ppm mode is designed for hydroponic basic reservoirs, and the pH EC mode is designed for hydroponic nutrient solutions.The pH and temperature of this product are always displayed on the screen.
- {Latest upgraded version of Hydroponic Tester} This pH tester can be immersed for a long time. You can directly insert it into your hydroponic equipment or hydroponic tube without taking it out to continuously monitor the nutrients. Just turn it on every time to get the real-time value. The extended temperature stainless steel electrode responds quickly. Accurate ATC ensure the accuracy of the EC value of the nutrient solution at different temperatures.
- {With calibration solution, ready to use out of the box, convenient and time-saving} The water quality tester comes with 4.00-7.00 pH calibration solution and 1413μS/cm EC buffer solution. You don't need to spend time and effort to prepare the solution, you can use it after opening it. TDS EC is calibrated before leaving the factory and can be used out of the box.
- {Multi-function tester suitable for home use} This pH test pen can measure planting water, swimming pool water, drinking water, tap water, well water, etc. It can also measure your fermented beer wort and your fish tank water. Any liquid that needs to measure pH EC TDS can be used.
- {Worry-free after-sales service} YINMIK brand purpose is customer first. YINMIK team is online 24 hours , your questions will be answered within 12 hours. In addition, All accessories matching this pH ppm meter can be found in YINMIK Store: pH Calibration powder, pH Calibration Solution, EC Calibration solution, New Replacement probe.
$29.99
−$2.00
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On Sale!Bestseller No. 2
HoneForest TDS Meter, Digital Water Tester - Accurate and Reliable, Measures TDS, EC & Temperature (°F/°C), 0-9990ppm, Water Test Meter for Drinking Water, RO/DI System, Aquariums, etc
- ACCURATE AND RELIABLE: To achieve high accuracy, the TDS water tester is equipped with a premium quality titanium alloy probe, and an efficient intelligent chip that not only ensures stable performance but also contributes to exceptional accuracy, making it a trustworthy water quality tester
- MULTIFUNCTIONAL AND UPGRADED: Professional TDS (Total Dissolved Solids), EC (Electrical Conductivity) and Temperature Meter 3 in 1. Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use. These enhancements make it a user-friendly tds meter digital water tester for a variety of applications
- 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
- OUTSTANDING AFTER-SALES SERVICE: We are committed to providing exceptional after-sales customer service for the digital TDS water tester meter, ensuring a worry-free purchase
$13.97
−$1.51
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On Sale!Bestseller No. 3
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
- Application: 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
- Features: Comes with protective case; Lightweight, handheld design for portability and convenience
- Included: PH meter, 3-in-1 TDS meter, 3 calibration buffers
$18.99
−$5.00
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On Sale!Bestseller No. 4
2025 All-New 4 in 1 Tds Meter Digital Water Tester - Accurate and Reliable TDS EC & Temp(°C,°F) Meter - 0-9990ppm - Professional Testing for Drinking Water, RO/DI System, Aquariums etc
- Reliable Brand: MEXYBE was founded with a simple yet important mission: to provide everyone with a accurate and reliable way to test their water quality. We believe that access to clean and safe drinking water is a basic human right, and our tds meter digital water tester is one professional way that can help people achieve that. We are committed to providing high-quality products and excellent customer service. Join us in our mission to make clean and safe water accessible to everyone
- Accurate and Reliable Results: Tired of getting unreliable readings from other water testers? Look no further. The MEXYBE 2025 ALL-NEW water quality tester features a high-precision chip and a premium titanium alloy probe, ensuring accurate and reliable results every time. Equipped with cutting-edge technology and advanced features, it's the ultimate choice for precise water testing. So why wait? Experience dependable testing performance for you and your family today
- Multifunctional (4 in 1) and 5 Upgraded: Professional TDS (Total Dissolved Solids), EC (Electrical Conductivity), Temperature (Degree Centigrade) and Temperature (Fahrenheit) Meter 4 in 1. Upgraded with big backlit LCD for easier reading, auto-lock function for easier use, factory calibrated and hold function for direct use and auto-0ff in 2 minutes to conserve battery. These enhancements make it a user-friendly tds meter digital water tester for a variety of applications
- Two User-Friendly Features:1. 25% Larger Backlit LCD: The MEXYBE 2025 4-in-1 water quality tester has a screen that's 25% bigger than older 3 in 1 models the market, making it easier to read for everyone, including seniors and children. 2. Convenient TDS Chart: A colorful TDS chart is placed on the back of the tester and in the user guide, so you can quickly understand PPM values without searching online—saving you time with every test
- Multipurpose Tds Tester: Test the purity of drinking water to ensure it's safe and healthy, monitor if Reverse Osmosis (RO)/Deionization(DI) System works properly, whether filter need replaced, maintenance aquarium, hydroponics(test nutrients), well, pool, hot tub, spa and testing tap water, bottle water etc
$10.99
−$2.00
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On Sale!Bestseller No. 5
Craft911 2025 Upgraded 4-in-1 Turbidity TDS Meter – Digital Water Tester for TDS, EC & Temperature (°C/°F) – Accurate 0-9999 ppm Reading – Ideal for Drinking Water, Aquarium, Hydroponics, Pool, Etc.
- Accurate and Reliable Turbidity TDS Meter: Equipped with a premium quality titanium alloy probe and an intelligent chip, our TDS meter, Electric Conductivity Meter, digital water tester ensures stable performance and exceptional accuracy for reliable water quality and turbidity testing. Ideal for testing Turbidity, PPM or EC for drinking water, filter water, bottle purified water, RO filters, aquariums, and hydroponics turbidity testing.
- 4-in-1 Multifunctional Water Tester: Craft911 water quality tester measures Total Dissolved Solids (TDS), Electrical Conductivity (EC), and temperature (°C/°F), providing a comprehensive water quality test. Perfect for use as a water tester for drinking water.
- Easy-to-Read Backlit LCD Display: Features a large backlit screen for clear readings, even in low light conditions. The auto-lock function holds the reading for ease of use, making it an excellent tds water tester.
- Instant and Simple Operation: Just turn on the ppm water tester and dip it into the water for quick, accurate readings. The auto-off feature conserves battery life by shutting down the ec meter after 2 minutes of inactivity. Great for use as a digital TDS turbidity water tester or ppm meter.
- Customer Satisfaction Guaranteed: Includes a 3-year warranty and a 90-day money-back guarantee for complete peace of mind with your purchase. Trust our total dissolved solids meter for all your water quality testing needs.
$12.99
−$3.00
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Newest Ppm Meters
New
Greenhouse CO2 Monitor – 4-in-1 Digital CO2 Detector with Temperature, Humidity & Clock, High Accuracy NDIR Sensor, USB Type-C Indoor CO₂ Meter for Plant Grow Rooms, Hydroponics & Home Use
- 🌱 Designed for Greenhouses & Grow Rooms：Perfect for monitoring CO₂ levels to optimize plant growth. Helps maintain the ideal environment in greenhouses, hydroponics setups, and indoor gardens for healthier, faster-growing plants.
- 🌬️ 4-in-1 Indoor Air Quality Control：Combines CO₂, temperature, humidity, and real-time clock in one device. Provides complete environmental data to help you adjust ventilation and keep conditions stable.
- 🌡️ High-Precision NDIR CO₂ Sensor：Uses advanced infrared (NDIR) detection to measure CO₂ from 400–5000 ppm with 1 ppm resolution and ±(50+5%) accuracy. Ideal for maintaining balanced CO₂ levels in plant grow tents, greenhouses, and home environments.
- 📊 Large Real-Time Display：Easy-to-read screen shows CO₂, temperature, humidity, and clock at the same time. Perfect for quickly checking your greenhouse or grow room conditions at a glance.
- 🔋 USB Type-C Continuous Power：Supports USB Type-C 5V/3A for long-term, stable monitoring without constant battery changes. Lightweight and portable for multi-room use in homes, offices, hydroponics labs, and greenhouses.
New
YFYIQI Cadmium Ion Meters with Standard Calibration Solution PH ORP Temperature Mode PH Range -2.000-20.000PH Resolution 0.001 0.01 0.1PH Ion 0.1-11200 ppm Temperature 0 to 105°C/32 to 221°F
- Note: There are the PH main unit and ONE Cadmium Ion probe in the package. It standards with PH, ORP, temperature modes and can be used to measure Cadmium Ion concentration.
- 2 to 5 points calibration, including the 8 concentration points can be selected. (The standard calibrtion liquid is included in the package)
- Direct ion concentration readout simplifies the measurement process.
- Automatic electrode diagnosis shows the calibration points and slopes.
- Selectable concentration units (ppm, mg/L, mol/L) and ionic valency.
New
YFYIQI Cadmium Ion Meter with Standard Calibration Fluids PH ORP Temperature Mode PH Range -2.000-20.000PH Resolution 0.001 0.01 0.1PH Ion Range 0.1-11200 ppm Temperature Range 0 to 105°C/32 to 221°F
- Note: There are the PH main unit and ONE Cadmium Ion probe in the package. It standards with PH, ORP, temperature modes and can be used to measure Cadmium Ion concentration.
- 2 to 5 points calibration, including the 8 concentration points can be selected. (The standard calibrtion liquid is included in the package)
- Direct ion concentration readout simplifies the measurement process.
- Automatic electrode diagnosis shows the calibration points and slopes.
- Selectable concentration units (ppm, mg/L, mol/L) and ionic valency.
New
YFYIQI Portable Cadmium Ion Meter PH ORP Temperature Mode Meter with Standard Calibration Liquid PH Range -2.000-20.000PH Resolution 0.001 0.01 0.1PH Ion Range 0.1-11200 ppm
- Note: There are the PH main unit and ONE Cadmium Ion probe in the package. It standards with PH, ORP, temperature modes and can be used to measure Cadmium Ion concentration.
- 2 to 5 points calibration, including the 8 concentration points can be selected. (The standard calibrtion liquid is included in the package)
- Direct ion concentration readout simplifies the measurement process.
- Automatic electrode diagnosis shows the calibration points and slopes.
- Selectable concentration units (ppm, mg/L, mol/L) and ionic valency.
New
7-in-1 Water Testing Meter, PH/ORP/EC/TDS/Salt/Temp/CL Tester, Swimming Pool Monitor, Mobile APP Digital Display, Remote Viewing, Data Sharing, for Pools, Spas, Hydroponics
- [7-in-1 Water Quality Monitoring]: The tester offers simultaneous measurement of seven essential parameters: pH, free chlorine (CL), ORP, salt content, electrical conductivity (EC), total dissolved solids (TDS), and water temperature, making it your comprehensive solution for swimming pool monitoring
- [Precise Measurement Ranges]: Designed for accuracy, our tester measures pH levels from 0.1 to 14.0 (ideal range: 7.2-7.8), free chlorine from 0.0 to 4.0 mg/L (optimal at 1-3 ppm), and ORP values from -999 to +999 mV (recommended 650-750 mV for effective sanitization)
- [Real-Time Data Access]: Monitor your pool's water quality in real-time from anywhere via the mobile app. The app also allows you to review and share daily, weekly, or monthly data trends with ease. Custom settings your preferred maximum and minimum levels for PH, EC, and ORP
- [Sturdy and Efficient Design]: Featuring a conical shape for stability, a protective ring for the probe, and a solar panel for continuous power, this device is built to last. Its IP67 waterproof rating means it's impervious to water damage
- [Application]: Perfect for pools, spas, hydroponics, and other water treatment systems, this waterproof digital meter requires minimal maintenance—just maintain moist electrodes when not in use and clean sensors regularly to ensure continued accuracy in testing salinity, chlorine, and temperature