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and water features
Measures between 0–0
PRECISE COLOR CHANGE
If you want to be protected from leaks in more than two locations
The control valve let you quickly control the flow of water through the Water Change System giving you precise control of the flow
NEPTUNE SYSTEMS APEX PROBE CONDUCTIVITY/SALINITY CALIBRATION SOLUTION 53000 µS Magnesium and water features53000 S Conductivity Calibration Solution Use this calibration solution to calibrate your Conductivity Probe and PM2 for saltwater salinity monitoring applications. Conductivity probes can be used for many different functions from letting you know the salinity of a tank to the quality of RODI water. We suggest calibrating conductivity probes once every 3 6 months to keep readings reliable. 447 S Conductivity Solution Used for calibrating conductivity
