Lab Grade Salinity / Conductivity Probe Used for measuring salinity in your aquarium via an Apex Controller or PM2 Module.(Does NOT work with an Apex EL unless you have a...
53000 µS Conductivity Calibration Solution - Use this calibration solution to calibrate your Conductivity Probe for saltwater salinity monitoring applications. Conductivity probes can be used for many different functions from...
Keep your pH probe calibrated! Neptune Systems single-use pH calibration packets make calibrating your pH probe simple and fast. Just tear open the top, and stick your probe into the...
