Neptune A3 Series Junior Apex Aquarium Controllers — Smart Monitoring & Automation for Every Aquarist
Smart Aquarium Control & Monitoring, Tailored to Your Needs
Take total control of your aquarium’s health with the Neptune A3 Series Apex Controllers. Whether you’re a beginner or an expert reef keeper, Apex controllers provide the tools to monitor, automate, and protect your aquarium — anytime, from anywhere.
From the compact Apex Jr. to the feature-packed Apex Pro, there’s a controller to suit every aquarium size and experience level.
| Apex Pro | Apex | Apex Jr | |
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| I want to monitor my aquarium at any time from any device. |  |
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| I want to monitor critical parameters, like temperature, to protect my tank. | |
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| I want to be alerted by text, SMS or email when parameters are out of spec. | |
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| I want to know if power of Wi-Fi connection is lost to my aquarium. | |
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| I want to be alerted to a possible overflow or leak in or around my aquarium. | |
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| I want to be able to automate equipment to respond to parameter changes or emergency situations. | |
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| I want to know that my equipment is operating efficiently and correctly. | |
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| I want to know the relative cleanliness of my aquarium water. | |
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| I want to remotely check the exact water depth in my sump and reservoir. | |
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| I want to be able to easily connect other Apex-ready switch boxes and devices. | |
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| I want to be notified or control action based on water above or below a certain level. | |
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Included Sold separately
WIRELESS INTERNET-READY!
When possible we recommend the superior reliability of a wired network connection for your Apex or Apex Pro, however when that’s not possible your Apex is perfectly capable connected on WiFi.
So, for this Apex we spent countless man-hours developing an incredible 802.11g/n Wi-Fi connection with reliability that rivals a wired connection. And, the connection process to your home network is amazingly simple – getting you set up and on the Apex Fusion cloud service in just a couple of minutes!
What’s Included?
| Apex PRO | Apex | Apex Jr | |
|---|---|---|---|
| Temperature Monitoring | |
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| pH Monitoring | |
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| ORP Monitoring | |
— | — |
| Salinity Monitoring | Probe Available Separately | — | — |
| FMM Input Ports | 4 | 3 | 2 |
| Controllable Outlets | 8 | 8 | — |
| 1LINK Outputs | 3 | 3 | — |
| DC 24V Outputs | 2 | 2 | — |
| Digital Inputs | 6 | 6 | — |
| Audible Alarm Buzzer | |
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| Wi-Fi | |
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| Hard-wired Ethernet | |
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| Liquid Level Monitoring | |
— | — |
| Leak Detection | Optical | Analog | Analog |
| Variable Outputs (0-10V) | 4 | — | — |
| Optical Sensor | — | |
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| Expandable | |
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APEX PORTS
Almost endless connectivity, creating a truly modular experience.
APEX WATER ACCESSORIES
Temperature Probe
Keeping a stable and consistent temperature in the aquarium is paramount to the health of your inhabitants. Monitoring temperature and especially temperature changes throughout the day is mission critical.
Having a quality temperature monitoring solution that also alerts you to over or under temperature situations is a must for a successful aquarium.
Included with Apex Pro, Apex, and Apex Jr.
pH Probe
Keeping pH stable is critically important to healthy coral in a reef aquarium. A stable pH is also less stressful for all the aquarium’s inhabitants.
Monitoring pH not only allows you to tune in desirable parameter stability but also serves as an important warning system to warn you of negative chemistry changes.
Included with Apex Pro, Apex, and Apex Jr.
Optical Leak Sensor
The Optical Multi Surface Leak Sensor is an improved version of the Solid-Surface Leak Sensor (LD-2).
Improvements include an epoxied design that allows the sensor to be utilized repeatedly and an optical sensor that allows the sensor to be placed on any surface including metal and epoxied cement floors without returning a false activation.
Solid Surface Leak Sensor
When it comes to water on the floor, time is critical. Upon contact with liquid this sensor will communicate to your Apex to send an alert or trigger other actions.
With a wire length of 5 meters (16.3ft) this sensor is a must have for placement inside and outside of your sump.
Protect your aquarium and your home
Included with Apex, and Apex Jr.
Optical Sensor
Think smart float switch. The optical sensor indicates the presence of water above or below the sensor location.
The Magnetic Optical Sensor features an improved look and feel. The sealed housing and magnetic mounting design prevent water incursion and make mounting quick and easy.
Included with Apex and Apex Jr.
