53 mS/cm Conductivity Calibration Solution

The Neptune Systems Conductivity 53ms Calibration Fluid is a calibration fluid (53 mS) for use with the conductivity probe and PM2 for salt water monitoring. This calibration fluid is intended to calibrate the conductivity electrode for use in salt water. If you want to monitor the quality of osmosis water, you need this 53 mS liquid.

Do you want to monitor the quality of your osmosis water? Then you need the 447 mS of liquid!