Aqua Masters

100 ml pH 7,00 calibration solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C. Do not return liquid.

KCI Storage Solution. Traceable to NIST standard. Close immediately after use. Store between 15-25 °C. Do not return liquid. Thoroughly rinse the electrode before and after each use. Pour some KCI storage solution into the electrode's protective cover