Best AQUARIUM TDS METERS
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1
Professional TDS ppm Conductivity Meter - Quick and Easy EC TDS and Temperature Test Pen | 0-9999 ppm with ± 2% Accuracy | Perfect 3-in-1 Tester For Ro Water Aquarium Hydroponics Coffee Pool etc.
Health Metric Store
4.4 ✓
2
Hofun TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Digital Water Testing kits for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System, Hydroponics
Hofun Store
4.5 ✓
3
5-in-1 Water Quality Multi-Parameter PH EC CF TDS (ppm) Temperature Test Meter Backlight, Wall-mountable Rechargeable Continuous Monitor Tester, Aquariums Hydroponics Pool Fish Tank Pond Drinking
Gain Express Store
3.5 ✓
4
iPstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm, Ideal for Drinking Water, Swimming Pool, Aquariums, Hydroponics (Grey) (TDS)
iPstyle Store
4.3 ✓
5
AquaticLife TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-999 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy
Aquatic Life Store
4.2 ✓
6
AERO-GRO Digital 5-in-1 Meter: 5 Functions: pH, TDS, EC, Salinity%, Salinity ppm, and Temp, IP67 Waterproof, Pen-Type Tester for Hydroponics, Water, Wine, Spas, Aquariums
Brand: Aero-Gro
4.2 ✓
7
Yewhick Digital pH and TDS Meter Combo, High Accuracy Water Quality Tester, pH Meter 3-in-1 TDS EC Temperature Meter for Drinking Water Swimming Pool Aquarium Hydroponic
Brand: Yewhick
4.2 ✓
8
GuDoQi Digital PH Meter, 5 in 1 Water Quality Tester with Backlight, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Aquarium, Spas, Drinking Water
GuDoQi Store
3.9 ✓
9
Landtek Water Quality Tester pH/EC/TDS/Salinity/SG/Temperature with Easy Calibration 24Hrs Online APP Monitoring for Fish Tank Aquariums Home Laboratory Smart Instrument
Landtek Store
3.7 ✓
10
Digital pH/TDS Meter with ATC pH Tester, 3 in 1 0.01 Resolution High Accuracy pH Pen Tester for Water with LCD Backlit, Tds Meter pH Meter for Drinking Water, Wine, Pool and Aquariums
PmoYoKo Store
4.4 ✓
We will continue to update this buyer's guide once a month or two.
The best AQUARIUM TDS METERS in 2024 - Detailed Product Descriptions
More Photo2. Hofun TDS Meter, 3 in 1 TDS, EC & Temperature Meter, Accurate & Reliable PPM Meter, Digital Water Testing kits for Drinking Water Quality, Tap, Well, Swimming Pool, Aquarium, RO/DI System, Hydroponics
By Hofun Store
✔[ RELIABLE TDS METER WITH ACCURATE & QUICK MEASUREMENT ] Hofun ppm water tester is equipped with premium quality titanium alloy probe, which enables quick and convenient water total dissolved solids(tds) test. 0-9999ppm wide test range makes it fits multiple uses, like drinking water test, swimming pool, hot tub, laboratory, hydroponics, aquariums, well water, tap water, etc.
✔[ BONUS 3 in 1 TDS , EC & TEMP 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 water tester meter. Not only been convenient for you, but also saves your time and money, absolutely a helpful water test kit for your water safety at home.
✔[ 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, just turn it on and put tds meter into water, you can get stable and accurate data in seconds. Besides, there is a reference chart at the back of this test meter for tds figure explanation.
3. 5-in-1 Water Quality Multi-Parameter PH EC CF TDS (ppm) Temperature Test Meter Backlight, Wall-mountable Rechargeable Continuous Monitor Tester, Aquariums Hydroponics Pool Fish Tank Pond Drinking
Measure 5 parameters, continuously monitoring shows readings on its large-screen triple display with backlight. Powered by its rechargeable battery (installed in the main unit) or the power adapter included which supports a long period of monitoring.
Measurement Range: EC: 0.00~19.99EC; pH: 0.00~14.00pH; CF: 0.0~199CF; Temp: 0~55°C (32~131°F); TDS: 10~19990ppm
Proven high accuracy and Auto Temperature compensation (ATC), comes with removable BNC electrode
pH calibration powders and EC calibration solution are included in the set. Calibrates easily and offer safer and precise measurement
Best in aquariums, hydroponics, laboratory, spas, swimming pools and other water systems
4. iPstyle Digital TDS Meter Water Tester, PPM Water Quality Tester Measuring Range 0-9999ppm, Ideal for Drinking Water, Swimming Pool, Aquariums, Hydroponics (Grey) (TDS)
MULTIFUNCTIONAL AND UPGRADED: TDS Meter, EC Meter and Temperature Meter 3 in 1, Upgraded with big backlit LCD for easier reading, and auto-lock function for easier use.
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.
AUTO-OFF AND HOLD FUNCTION: The electrical conductivity meter shuts off automatically after 2 minutes of non-use to conserve batteries. Hold function ensures to save measurements for convenient reading and recording
SUITABLE FOR ANY TYPE OF TDS OR EC TESTING - Check the TDS or EC 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.
MEASUREMENT RANGE: From 0-999 ppm, with a resolution of 1 ppm. From 1,000 to 9,9990, the resolution is 10ppm, indicated by blinking “x 10” symbol. It works at 0 - 60 Deg.C
5. AquaticLife TDS Meter Digital Water Quality Tester for RO-RODI System Drinking Water, Aquariums, Hydroponics, 0-999 ppm Measuring Range, 1 ppm Increments, 2% Readout Accuracy
TDS METER DIGITAL TESTER – The handheld TDS meter digital water tester allows you to accurately measure the Total Dissolved Solids in water. Ideal for portability, you can carry this TDS tester conveniently.
IDEAL FOR TESTING WATER QUALITY – Test the water quality from multiple sources. Use this TDS meter for RO/RODI system drinking water, aquariums, hydroponics, and more.
PROVIDES HIGHLY ACCURATE READINGS – This TDS water quality tester provides highly accurate readings. Its hold function saves measurement for convenient readings and recording.
1000 HOURS OF USAGE – The battery of this TDS measure test pen provides approximately 1000 hours of usage. An auto-off function saves battery life by turning off automatically after 5 minutes of non-usage.
EASY TO READ DISPLAY – A large, easy-to-read LCD screen display on this TDS water testing meter makes it easy to see results. Its power source is 2 x 1.5V included button cell batteries (LR44 size).
6. AERO-GRO Digital 5-in-1 Meter: 5 Functions: pH, TDS, EC, Salinity%, Salinity ppm, and Temp, IP67 Waterproof, Pen-Type Tester for Hydroponics, Water, Wine, Spas, Aquariums
[5-in-1 pH METER] - Meter has a five-in-one function, which can measure PH, TDS, EC (Electrical Conductivity), Salinity %, Salinity ppm, and Temperature - with high precision every time. All-round measurement of water quality to ensure consistent results.
[Accurate pH Tester] - Featuring a solid glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. The pH meter uses a 3-point calibration for maximum accuracy, and includes extra calibration powder.
[TDS Measurement] - Fast and accurate TDS / PPM testing for hydroponics or anywhere TDS is critical. The TDS Range is 0~10,000ppm. Accuracy is ±2%.
[EC Measurement] - Measure Electrical Conductivity of either fresh or salt water.
[Saline % and Saline ppm Measurement] - Conveniently and easily keep track of saline levels by either percentage or ppm. Great for aquarium, saltwater pools, saltwater spas or anywhere salt levels are critical.
[Temperature Compensation] - The pH meter auto-calibrates to the sample liquid temperature, which guarantees accuracy regardless of temperature.
[Numerous Applications] - This meter can measure TDS, EC, and pH in fresh water situations, and can measure Salinity % and Salinity ppm in saltwater situations, such as saltwater pools, spas and aquariums. It can also be used to measure drinking water, RO System, spa, soap mixtures, food, wine, beer or any other liquids.
7. Yewhick Digital pH and TDS Meter Combo, High Accuracy Water Quality Tester, pH Meter 3-in-1 TDS EC Temperature Meter for Drinking Water Swimming Pool Aquarium Hydroponic
【Multifunctional】Water quality test kit capable of TDS test, EC test, temperature test and pH test, Large LCD backlit display makes reading easier.
【Accurate and Reliable】The measuring range of the pH meter is 0.00~14.00ph, while the measuring range of the digital EC and TDS tester is 0~9990µs/cm and 0~9990ppm. PH Accuracy ± 0.05ph and TDS/EC Accuracy ± 2%.
【Easy to use】Just turn on the pH meter or TDS/EC meter, put it in the solution to be tested and stir gently to avoid air bubbles around the electrode, until the reading is stable to obtain the purity and pH of solution.
【Wide Application】Ideal for home and laboratory pH & TDS testing, including drinking water, water in fish tank, aquariums, swimming pools, well water, aquaculture, food processing, and More.
【PH Meter and TDS/EC Meter 】1 set includes 1 ph meter,1 TDS/EC/TEMP meter and 3 calibration buffers. Comes in a retail box for easy carrying, especially when camping, lightweight and portable pH meter and TDS meter are ideal for testing water quality.
8. GuDoQi Digital PH Meter, 5 in 1 Water Quality Tester with Backlight, PH/TDS/EC/Salinity/Temp Meter with ATC, 0.01 Resolution High Accuracy Pen Type Tester, for Aquarium, Spas, Drinking Water
By GuDoQi Store
【Easy to Use】Press the power button to turn on. Tap "HOLD" to lock the value, long press "HOLD" to switch the temperature unit. Tap "MODE" to switch between different functions.
【5 in 1 Function】This is a water test kit with Ph meter, TDS meter, and EC salinity temperature test function. The backlit LCD display makes it easy to read the displayed values.
【Wide Use】 Ideal for household or laboratory use. Suitable for testing pH balance of drinking water, pool, aquarium, RO system, Spa, or hydroponics.
【Absolute precision】PH resolution is 0.01pH, accuracy ±0.05pH. TDS meter resolution 1ppm 0.1ppt, accuracy ±2%. Conductivity resolution 1uS/cm 0.1mS/CM, accuracy ±2%. Thermometer resolution 0.1℃/℉, accuracy ±0.5℃. Salinity resolution 0.01%, accuracy 0.01-5.00%(±0.1%) 5.10-25.00%(±1%)
【Robust and Durable】This water quality tester is IP67 waterproof, so it can continue to be used even if it falls into the fish tank. If you have any questions, please feel free to contact us, we will be happy to solve your problems.
9. Landtek Water Quality Tester pH/EC/TDS/Salinity/SG/Temperature with Easy Calibration 24Hrs Online APP Monitoring for Fish Tank Aquariums Home Laboratory Smart Instrument
Online APP Monitoring: Smart digital multi-parameter water quality tester. User can monitor or view real time data via smart phone. It can also allow you to view the data curve of each parameter for the past 30 days in the APP. Easily for you to facilitate comparison and analysis
6 in 1 Monitor: Multi-functional can measure and test water PH / TDS / EC / Specific Gravity / Sality / Temperature in one unit. You could easier monitor pH up and down, temperature, TDS, Conductivity level ect in water. suitable for household drinking water, hydropinics growing system, ponds, pools,aquaculture.
Easy to Use: This water tester comes with ATC function that provides consistent reading regardless of any fluctuations in temperature. Easy calibration of pH and EC with just One touch calibration.
Alarm Function: Via the APP user can set a security range for each parameter. When the test result is below the lower limit or above the upper limit, the user will receive a notification alert from your smart phone.
Design: Smart aesthetic look, Ideal for remote monitoring. The meter can be easily mounted on a wall and it also comes with sturdy carrying case for field work and travel purposes.
10. Digital pH/TDS Meter with ATC pH Tester, 3 in 1 0.01 Resolution High Accuracy pH Pen Tester for Water with LCD Backlit, Tds Meter pH Meter for Drinking Water, Wine, Pool and Aquariums
【3-in-1 pH Meter】pH meter for water 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 Water Tester】With high sensitive glass probe, you can get a full measurement range of 0-14pH, 0.01 pH resolution. And pH meter for water uses a 3-point calibration method to calibrate 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 pH Meter for Water】High-accuracy algorithm chip and electrode of our digital water ph meter 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 tds Meter is taken out of the sample!
【Pocket Size pH Meter for Water】 You can use this small Pocket Size but powerful pH meter device to measure your aquarium, pool, pond in a garden, bath tub to test the levels of pH value. The digital ph meter can also be used to measure drinking water, RO System, spa, soap mixtures, wine, beer or any other liquids.
【pH Meter to Improve Water Quality】This pH/TDS meter can help you find out quality water value. Water with equal pH, TDS levels are perfect for people's daily needs for drinking water.And for plants and aquaculture animals, they can grow more fast and health is they drink good quality pH, TDS value of the water.
11. TDS Meter, Electronic Water Tester with 0-9990 PPM Measurement Range, Hand Held Digital Water Test Pen for Farming, Aquariums, Pools, Household Drinking Water (Blue)
★【FAST AND ACCURATE READINGS】-- Just turn it on, dip in about 1 inch deep of water and read display, Large digital display makes it easy to read.
★【AUTOMATIC CALIBRATION】-- No need any adjustment screwdrivers, just finish the calibration with Auto calibration with 1-3 seconds, Measure total dissolved solids in water(tds),Know exactly when to change water filters.
★【PORTABLE DESIGN】-- Handheld style and compact carrying case makes it conveniently fits in your pocket or bag and goes anywhere.
★【WIDE APPLICATION】-- Ideal for home and laboratory TDS testing applications, including drinking water, swimming pools, aquariums, hydroponics, etc.
★【100% QUALITY WARRANTY】 -- We supply Quality Warranty more than 6 months. If your TDS Meter was broken or you got a defective, please don`t hesitate contact our customer service team, they will serve you enthusiastically.
12. 4 in 1 tds ph Meter,EC Temperature Meter, PPM Meters,TDS Water Tester for tap Drinking Water,Digital PH Pen lab pH Tester for Water hydroponics Aquarium Pools Spas
【Water quality detector set】It includes 1 piece of PH tester & 1 piece of 3 in 1 TDS Teser(It can measure TDS,EC,Temperature)
【Measure Range】TDS:0-9999ppm;EC:0-9999us/cm;PH:0.00-14.00PH;℃:0.1-80.0℃；℉:32.0-176.0℉
【Backlight】Both PH Meter and TDS&EC Meter have backlight function.
【PH calibration powder】The PH meter is equipped with 2 sets of PH calibration powder.Each package of calibration powder needs to be mixed with 250ml of purified water or distilled water.
【Power supply】TDS&EC pen powered by 1 CR2032 battery.The pH meter is powered by 2 LR44 batteries.
【Immersion line】When measuring, do not exceed the immersion line
【Low electricity】If the instrument shows an automatic shutdown or low battery prompt within a few seconds, please replace the battery.
