Calibration solution

drinking water:

0 gallons per hour

Minerals released: Calcium

(Replacement EC/TDS sensor for HM-500)

Milwaukee pH Calibration Solution combo pack pH 4.01, pH7.01,& pH 10.01 berkey accessories Calibration solutionMilwaukee MA9004 pH 4. 01 Calibration Solution DESCRIPTION Probe calibration is a simple procedure for optimal performance and should be done any time your readings become suspect. Calibration should be performed at least once a month. MA9004 is a lab grade pH 4. 01 buffer solution certified to meet the standard to an accuracy of 0. 01 pH removing the inaccuracies involved with mixing buffers. Milwaukee solutions are designed to help you achieve