Apex Comparison Chart
Drs. Foster & Smith Educational Staff

Apex Comparison Chart
Need to know which Neptune Systems AquaController Apex System is the right aquarium controller for you? Refer to this handy guide to see which controller features best suits your aquarium needs.

Feature Apex Jr w/Display2 Apex4
Temperature Monitor/Control X X
pH Monitor/Control Optional with PM* 1 X
ORP Monitor/Control Optional with PM* 1 X
2nd pH Monitor/Control Optional with PM* 1 X
Conductivity/Salinity
Monitor/Control
Optional with PM* 2 Optional with PM* 2
Dissolved Oxygen Monitor/Control Optional with PM* 3 Optional with PM* 3
Display X Graphical (8x20)
Ethernet Port X X
Web Server
(Monitor/Control/
Configure with browser)
X X
Email Alarms X X
Audible Alarms X X
Flash Memory for
Easy Firmware Updates
X X
Digital Inputs 6
Optional with PM
6
Moon Simulations X X
Seasonal Temperature Variations X X
Seasonal Sunrise/Sunset X X
Maximum AquaBus Modules5 5 240
Datalogging X
(1000s of Entries)
X
(10,000s of Entries)
Alternate Power Source NA X
Variable Speed/Dimming Port (0-10V) Optional with VDM** 4
Legacy Support (D4HD, DC8) NA X

2 Includes Apex Jr Base Module with 4 controllable outlets, AquaDisplay, Temperature Probe and Ethernet Cable.
3 Includes Apex Lite Base Module, AquaDisplay, EnergyBar 8, Temperature Probe and Ethernet Cable.
4 Includes Apex Base Module, AquaDisplay, EnergyBar 8, Temperature Probe and Ethernet Cable.
5 Supports a maximum of four AquaBus devices and one AquaBus Display.
*PM = Probe Module
**VDM = Variable Speed/Dimming Module