Neptune Systems Apex A3 Aquarium Controller – Base Unit

Neptune Systems Apex A3 Aquarium Controller (Base Unit) — Neptune Systems A3 Apex Aquarium Controller System

  The Neptune Systems Apex A3 Aquarium Controller (base unit) centralizes reliable monitoring and control for modern reef setups. Built by Neptune Systems and featured under Automate and Monitor, it delivers precise automation without the guesswork.  

Neptune Systems Apex A3 Aquarium Controller — Core Monitoring You Can Trust

The A3 base unit tracks temperature, pH, water level, and leaks with speed and accuracy. It, therefore, helps protect livestock and equipment during routine and emergencies.

• Three FMM ports for level, flow, and leak sensors.
• Two Aquabus ports for modules and accessories.
• Dedicated ports for pH and temperature probes.
• Fast alerts when readings exit safe ranges.

  Explore the Controller lineup and, moreover, navigate related tools for Temperature, Evaporation, Flood Control & Leak Sensors, Lighting Control, Pump Control, and Water Quality.  

Neptune Systems A3 Apex Aquarium Controller System — Power, Outlets, and Smart Safeguards

The included EB832 Energy Bar adds granular power control and oversight. Consequently, it reduces risk from stuck heaters, failing pumps, or runaway lights.

• Eight individually controlled AC outlets with power monitoring.
• Three 1LINK ports for DŌS, WAV, and Trident devices.
• Two 24V DC accessory ports and three Aquabus ports.
• Create rules that react to high temp, low pH, or sump level.

Aquarium Controller App — Apex Fusion Makes Setup Fast

Apex Fusion streamlines setup with drag-and-drop tasks and clear prompts. As a result, you can add gear, customize dashboards, and receive instant alerts from anywhere.

• Cloud access on desktop and mobile devices.
• Guided tasks for new equipment and probes.
• Real-time graphs and push/email notifications.

Expandable Aquarium Controller System — Grow Features on Your Timeline

The A3 platform scales as needs change. Add modules now, or later, without replacing the brain.

• Attach a PM2 with a Conductivity Probe for salinity tracking.
• Integrate the Trident for automated alkalinity, calcium, and magnesium tests.
• Extend I/O with FMM, VDM, PM1, PM2, or PM3 modules as systems evolve.

What Ships with the Neptune Systems Apex A3 Aquarium Controller (Base Unit Bundle)

• A3 Apex Base Unit
• EB832 Energy Bar 832
• Temperature Probe
• pH Probe
• MOS Magnetic Optical Sensor
• LD-2 Leak Detection Sensor
• 6' Aquabus Cable
• Calibration Solutions (pH 7 and pH 10)
• Mounting screws and quick start card

Specifications — Neptune Systems Apex A3 Aquarium Controller

• Head Unit: 4.75" L × 5.25" H × 3.25" W
• Energy Bar 832: 10" L × 6.5" H × 2.25" W
• Connectivity: Wi-Fi or Ethernet

Use Cases and Automations

• Cut power to a heater if temperature rises too high.
• Trigger a cooling fan when the cabinet warms up.
• Pause a return pump during feed mode, then restart safely.
• Alert immediately if the sump level drops or a leak appears.

Pro Tips for a Cleaner Install

• Group outlets by function to simplify rules and logs.
• Label probes and sensors; then, match names in Fusion.
• Review notifications weekly to fine-tune thresholds.

 

Frequently Asked Questions About Neptune Systems Apex A3 Aquarium Controller

Does this package include the base unit and the EB832?

Yes. The bundle includes the A3 base unit and the EB832 power bar for full control.

Can the Neptune Systems A3 Apex add salinity later?

Yes. Add a PM2 module and a Conductivity Probe to enable salinity monitoring.

Will this Aquarium Controller System run a dosing schedule?

Yes. Pair the system with a DŌS and create schedules in Apex Fusion.

Do I need the Trident for basic operation?

No. The Trident is optional. However, it automates alkalinity, calcium, and magnesium testing.

Can the A3 text or email alerts during an overflow or leak?

Yes. Configure notifications and place the LD-2 or other leak sensors where needed.        

Your Aquarium, Your Community

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