Involvement:General (knows how to use it) - Ownership:more than 1 month
It's unexpensive, looks like Milwaukee PH pen, comes with a case, calibrating screw, and two calibrating solutions.
Is not accurate, even if you calibrate with the solutions included, when you try to make a reading it goes to far up than the real PH value. I compared the reading with the Milwaukee PH pen after calibrated both in the same solution, and this PH pen just dont read an acurated value at least on saltwater, if you return this to the calibrating solution you need to calibrate again.
Useless, not acurate reading better use PH strips than this PH pen
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