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This tester covers the two things you want to check most often, and saves using a test strip each time. You still need to keep test strips to calibrate the chlorine reading of the meter, and to check the other factors occasionally. The meter works well, just remember to switch it to "pH" when you put it away, The pH reading does not use battery power and acts as an "Off" setting. very simple and solidly made, should last for years.
Verified purchase: Yes | Condition: New
This is not a standalone unit. You have to calibrate it against a paper strip. I bought it to get rid of the paper strips. It turns out to be just an extension of the paper strip system. Not a way to improve speed and precision.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
it don't work
Verified purchase: Yes | Condition: New