Temperature Probe

Keep your Trident calibrated with this Neptune Systems Trident Calibration Solution.

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...

5 foot black sample line tubing for the Neptune Systems Trident.

Over the course of a few months, it is common for probes to drift and they should be recalibrated when that occurs. The Neptune Systems Probe Calibration Kit includes everything...