Bluelab Calibration Solution pH 4 250ml
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Bluelab Calibration Solution pH 4 250ml
Systematic calibration and cleaning of the probe to the pH meter is a guarantee of accurate results and helps to keep the meter in good condition.
Daily use of a pH meter then it is recommended to do a calibration every two weeks, with less use - once a month.
Value: ph 4
Volume: 250ml
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