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💧 Stay pure, stay sure — water testing made effortless!
The TDS Meter Digital Water Tester offers quick, precise readings of total dissolved solids in water with a wide 0–9990 ppm range and automatic temperature compensation. Its compact pen-style design includes batteries and features one-button operation with a HOLD function, making it ideal for home, hobby, and professional water quality monitoring across tap, filtered, RO water, aquariums, pools, and hydroponics.
| Customer Reviews | 4.5 out of 5 stars 736 Reviews |
C**L
Necessary for those with zero water filters.
I use this with my zero water filter. I bought it to replace my old one that stopped working. This one operates the same and works perfectly.
C**A
Consistently reproducible results pre and post filtration
I used a Brita water filter for a while. I became concerned that the filters were not working. I switched to Culligan and using these, found the water quality was 102-120 pre-filter and 0-1 after filter. They reduce PFOS and PFOA which is more important to me than sediment. I'm a scientist and rely on instruments like this. It is very easy to use, is a great value to me. I find the results reproducible and believe the accuracy is good. I would buy again.
T**V
Works very good and fast!
Great for showing the water numbers right away!
W**.
PPM meter
This PPM meter works great….it’s limited to 999ppm so anything over 999ppm will need another meter….also it’s not backlit which is a common feature…..I’m not sure if it turns itself off when not in use because I gave it away
N**S
Water tester
This is a great little tool for testing your water. I use it to test my zero Culligan water filters when they start to taste unusual or off. It’s just nice to know that you can check your water. Easy to use my first one lasted about two years before I had to buy a new one very inexpensive.
K**R
Amazing
I bought this for my hydroponic system and I love how quick easy and small it is
H**R
It works!
It was easy to operate! Tested true!
W**.
Accurate Meter
Currently working well for testing water quality coming from my reverse osmosis system. Purchased two different testers to get accurate measurements and this one is about 1 percent different from the other meter which is acceptable.
L**E
Tester d’eau
Très pratique pour tester l’eau de la ville
M**Y
ACTUALLY WORKS
Works an absolute dream!!! - seems accurate as used it against my digital RO TDS meter and may even exactly!!! Nice an compact also
G**N
Not the best for testing drinking water.
Accuracy is not the best +/- 50%
T**Y
Fit for purpose.
Got this to test my RO water, works well tap water was 105 ppm waste from RO was 175 ppm RO water was 005 ppm. Okay it's probably not the most accurate piece of kit but gives me a good idea of my water quality.
A**F
Good working
Good item
Trustpilot
2 weeks ago
3 weeks ago