HM 342 ppm NaCl TDS Calibration Solution 3oz / 89ml
Product Code: HM00001
HM Digital C1000 TDS and EC Calibration NaCl Solution - 1000 ppm For optimal performance re-calibrate your meters periodically or if testing TDS or conductivity levels in wide or different ranges. The 342ppm Calibration Solution is designed for use with pure drinking water. The 1000ppm Calibration Solution is designed for use with beverages aquariums and pools.