•5-year refrigerated shelf life from date of manufacture•3-month open vial stability when stored at 2ºC–8ºC•Liquid, simulated human sweat matrixOur Sweat Control features extended stability for convenience and less waste. Monitors the performance of cystic fibrosis assay methods including Chloridometer, Osmometer, Sweat-Chek conductivity analyzer and Dimension, Advia and Hitachi ISE electrodes.