Review on ๐ 2-Pack PH Water Digital Tester Meter with TDS EC PPM Pen - Ideal for Household Drinking, Pool, and Aquarium Uses by Roberta Gonia
Inaccurate pH meter
The TDS meter is very accurate, very easy to use and gives quick results compared to others I have used before. On the other hand this is my second replacement I get because of the PH meter, the first one worked fine for about two days then I couldn't calibrate it, the second replacement came with numbers between 5.6 and 8.8. ...even with the calibration solution I get 6.81, 3.87 but I can never calibrate it to 9.18...it's always 1.5 higher or lower which is plenty if you keep delicate plants and fish in the aquarium...
- pH test
- Hard to tell
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