This calcium 150 ppm calibration solution will last up to 300 calibrations of LAQUAtwin meters. Great for calibrating calcium ion meters. Equivalent solution of HORIBA calibration solution Y051L. 

⚫ Standard solution concentration: 150 ppm (150 mg/L) of Calcium (Ca2+)
⚫ Great for calibrating Calcium ion meters
⚫ Compatible with HORIBA LAQUAtwin Ca-11 and B-751