A3 Apex Pro Controller System wysiwyg the meter will shut down

the meter will shut down to avoid erroneous readings caused by low battery level

Minimum Tank Size  75 gal

Helpful to re-establish nitrifying bacteria after cleaning rocks and surfaces and after use of medications

Salinity varies with water temperature

A3 Apex Pro Controller System wysiwyg the meter will shut downNeptune Systems A3 Apex Pro System The most complete experience of monitoring and control for the discerning aquarist Fully equipped A3 Apex Pro base unit 4 FMM Ports 4 Channels 0 10V Variable output 6 Switch Digital Input 2 Aquabus Ports 2 pH ORP probe ports 1 Salinity* probe port 1 Temperature probe port Both WiFi & Ethernet compatible Soft touch finish New built in audible alarm Control up to 13 individual power connections with the Energy Bar 832