


The THRD1000-500ML Hardness Calibration Standard is a high-precision reference solution designed for verifying and calibrating hardness testing instruments. Supplied in a 500ml ready-to-use format, this standard is essential for ensuring accurate measurement of water hardness, particularly for determining calcium and magnesium levels in both laboratory and field settings.
The THRD1000-500ML Hardness Calibration Standard is a high-precision reference solution designed for verifying and calibrating hardness testing instruments. Supplied in a 500ml ready-to-use format, this standard is essential for ensuring accurate measurement of water hardness, particularly for determining calcium and magnesium levels in both laboratory and field settings.