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...
Long Lasting Temperature Probe
Long lasting temperature probe
Very accurate
Add this probe to PM1, PM2 or PM3 Module
Replace old probe for your apex
Â
Neptune Systems has designed the MPR - Magnetic Probe Rack specifically for the Apex and will hold up to 4 probes with one hole being slightly over-sized to hold those larger...