The Alfa Wassermann ACE ISE CAL A Wash Solution is an essential reagent for the calibration of Ion Selective Electrode (ISE) systems, particularly for measuring calcium ion concentrations. Its precise formulation, using analytical-grade reagents, ensures accurate and reliable results. Temperature compensation eliminates the need for manual adjustments, while the stable and reproducible reference solution minimizes variability in measurements. The extended shelf life maintains solution integrity over time, ensuring reliable performance. This versatile solution finds application in a wide range of analytical contexts, including water quality monitoring, environmental analysis, and clinical diagnostics. The ACE ISE CAL A Wash Solution helps optimize ISE performance, reduce errors, and streamline analytical workflows, making it an indispensable tool for accurate calcium ion concentration measurements.