Neptune Systems AquaController Apex Jr w/ Display & Temperature Probe


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Neptune Systems

Apex Jr System

    The Apex Jr System delivers a professional quality controller at hobbyist prices.
Built-in Ethernet
  • Integrated Ethernet port
  • Most advanced web server available
  • Interactive graphing application in the web server
  • Interfaces with AquaNotes iPhone application
  • Compatible with all Major web browsers (Internet Explorer, Firefox, and Safari)
  • Only aquarium controller with web server monitoring, control, and configuration
  • Compatible with wireless bridges or game adapters (802.11x) so that wireless network communication is possible
  • Email or text message alarms
  • Email alarms or audible alarms when Energy Bar power fails
  • RSS and XML Support
Very simple menu driven configuration
  • Menus to easily setup pumps, lights, heater, chiller, co2, etc
  • No programming required for configuration
  • Outlets can be renamed for easier use
  • Can be configured through LCD Display or a standard web browser
  • An enhanced AquaController programming language is available for total control
  • Sophisticated non standard control available
  • Virtual Outlets allow even more complex control options
Monitor/Control - Temp

The base unit includes software which is capable of monitoring temperature. The monitored data can be displayed on the LCD display, the Apex`s web page, or through the AquaNotes iphone application. All monitored probes data is logged into the internal nonvolatile memory for later retrieval. All probes support digital calibration.

Integrated 4 Outlet Control

The base unit includes 4 independently controllable outlets. Each of the 4 outlets is rated for a total 8 amps and the total current draw must be less than 15 Amps. All 4 outlets use relays to control the power to the outlets.

Galvanic isolation on probes

Galvanic isolation on the probes results much more reliable and accurate probe readings. While these features increase costs we feel that probe accuracy is absolutely critical for monitoring/controlling your tank, unlike many competing aquarium controllers.

State of the Art Electronics Integration

  • Only 32 bit processor on an Aquarium controller
  • Over 16 times more code space & 5X faster than competitive controllers, which guarantees future expandability.
  • Over 8 times data storage memory than the competition
  • 1 year’s worth of data logs can be stored internally
New Enhanced Control Functionality
  • Day of Week functionality
  • Sub minute control added on EnergyBar controlled devices
  • Default outlet state for all EnergyBar outlets
  • Second resolution control
Sunrise and Sunset Simulation

The Apex has a special control function which can be used to simulate the varying lengths of days throughout the year. This feature is used to make the length of daylight hours longer in the summer than in the winter. This results in a more realistic simulation of natural lighting variations.

Moon Cycle Simulation

The Apex has another special control function which can be used to simulate the moon cycle in your tank. The lunar simulator is used for this feature and is capable of varying the intensity of light emitted from its LEDs. The intensity variations are controlled by the Apex which is preprogrammed with correct intensity values for each day of the moon cycle. The Apex automatically updates the intensity value depending upon the current setting of the Apex`s clock. With this artificial moon cycle, it is possible to induce corals and fish to spawn.


Each pump to be controlled can have an user configured period in which both the on and off times are fully programmable and can range from 1 second to 999 minutes. A variable length feed timer cycle can be initiated with the press of a button and will disable some or all of the pumps in the system (programmed by the user).

Modular Expansion through AquaBus
  • High reliability protocol with robust error correction
  • Plug and Play – AquaBus modules are automatically recognized and configured
  • Cable lengths over 200 feet
  • Expandable to 7 AquaBus modules (1 Apex Display and 7 other AquaBus modules)
  • Add optional probe modules to monitor additional probes
  • Add additional EnergyBars to control more outlets
  • All AquaBus modules allow for easy firmware updates
  • Probe modules available for additional Temperature, pH, ORP, Conductivity/Salinity, and dissolved oxygen probes
  • Module firmware updates done through AquaBus. No need to disassemble controller, and individually update modules
AquaBus Features
  • Two AquaBus connectors for easy expansion, and flexible cabling options
  • Plug and Plug bus allows for modular expansion.
Updateable Firmware
  • Firmware updates via Ethernet
  • Flash memory so new features can be easily added
  • All AquaBus modules allow for easy firmware updates
  • No need to unplug/rewire devices to perform the firmware update (unlike the competition)
Compact Size
    7.5" x 3.75" x 1.80"
AquaDisplay Features
  • Sleek and Stylish case
  • 7 mechanical buttons for speedy and flexible user interface
  • 128 x 64 Graphical Backlight display
  • Displays datalog graphs
  • 4 Highly customizable status displays
  • Placement of probe names and icons can be selected by user
  • Can scroll manually scroll between different status screens or automatically scroll through them
  • User adjustable contrast and backlight settings
  • Backlight can be dimmed at night.
  • User selectable tones/songs for different warning/error types
  • Compact size 3.40" x 4.05" x 0.65"
  • Mounting holes for easy attachment to wall/stand
APEX Ready
When you connect Apex Ready certified products to your Apex System, many new options will unfold. How about having your LED lights dim or change color temperature at the touch of your iPad? How about programming your Tunze or VorTech pumps for some serious wave action? That’s what you get when you pair up the Apex System and an Apex Ready certified product.

Product Manuals & Documentation

Neptune Systems AquaController Apex Jr w/ Display & Temperature Probe

Owner's Manual available for download in Adobe PDF file format

Manufacturer Info

Neptune Systems Aquarium Supplies
Neptune Systems is one of the world’s leading manufacturers of aquarium controllers. The company was founded in 1995 for the purpose of developing affordable water quality monitoring and control instrumentation. Their engineering team has extensive expertise in computer hardware and software system design as well as a background in water quality analysis. Neptune Systems uses these finely-honed engineering skills to develop innovative monitoring and control solutions for use in reef and fresh water aquariums, aquaculture tanks, hydroponics systems and general laboratory use. Neptune Systems is best known for their AquaController line. The company is known for their innovation and customer centricity.

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9 Questions
Displaying questions 1-9
Does this have GFCI protecion?
Does this have a feature that will trip the circuit/outlet if water leaks into the outlets and causes a short or is a gfci adaptor needed to plug into?
Asked : Feb 07, 2017
By : Orca718, CA
It is recommended to plug your Neptune Apex into a GFCI outlet.
Answered : Feb 07, 2017
By : MD Tech
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12 Reviewers (75%) would recommend this

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Great basic controller

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“Excellent with minor quibbles”

I was having trouble regulating temperature in my 25g nano tank and finally gave in and purchased a controller. Boy was it worth every penny! Being able to program when the heater and fans come on has made regulating temperature a breeze at a time of year when there can be wild fluctuations in room ...Read More

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“Do Not Buy!”

I would give zero star if I could. The screen is turning blank after used only one month, contacted the company and they insisted of fixing it. I wanted it exchange since damage-free products do not break in one month.They claimed it was an easy fix and the "The display is a non critical piece ...Read More

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“Too complicated !!”

I have the apex controller for two weeks already. I still can not get it to work yet. Very frustrating. I am getting helps from the tech support, but it is very time consuming. You have to email them for support. Don't expect any direct phone support unless you have reservation w/ them first thru em...Read More

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“Product not hold date and time”

When power is cycled it looses its date and time. Neptune costumer support it atrocious, waited all for email reply and all they told me was how to set the clock! Which I obviously new how to do. They will not take phone calls.

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“Wish internet hookup was easie”

Controller works well and controls temperature within narrow range. Software is easy to use. Did not realize hookup to my home network and internet was so tricky. Wish it came with wireless hookup that was as easy as the software

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As a newcomer to automated reef design I can say the Apex hit it out of the park for us. The support was great and the community is one of the most knowledgable. The webcam on the Fusion ap is fun.

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12 Reviewers (75%) would recommend this

Overall Rating:

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