Neptune Systems A3 Apex Pro Aquarium Controller System

Overview

The Neptune Systems A3 Apex Pro System is the most complete and advanced aquarium monitoring and control solution available for serious aquarists. With a powerful base unit, the UL-certified Energy Bar 832, industry-first sensors, and lab-grade probes, the Apex Pro gives you unparalleled insight and control over your reef tank. From monitoring temperature, pH, ORP, salinity, and water depth, to automating dosing, lighting, flow, and safety responses, the Apex Pro helps prevent disasters, optimize equipment performance, and provide peace of mind—all accessible through Apex Fusion from anywhere in the world.

Key Features

• A3 Apex Pro Base Unit – Soft-touch finish, built-in audible alarm, and dual connectivity (WiFi & Ethernet).

• Full Monitoring Suite – Tracks temperature, pH, ORP, salinity* (probe sold separately), water level, and flow.

• Advanced Safety Sensors – Includes new LD-3 Optical Multi-Surface Leak Detector and LLS Liquid Level Sensor.

• Energy Bar 832 – ETL/UL-certified with 8 outlets, 3x 1LINK outputs, and 2x DC24 accessory ports.

• Lab-Grade Probes – Double junction probes for long-lasting, accurate pH, ORP, and temperature monitoring.

• Fusion Cloud Control – Easy-to-use dashboard with drag-and-drop customization, data logging, graphs, and notifications.

• Expandable Ecosystem – Supports up to 240 AquaBus modules for endless integration possibilities.

• Backwards Compatible – Works with previous Apex modules, head units, and accessories.

What’s Included

• (1) A3 Apex Pro Base Unit

• (1) EB832 Energy Bar 832

• (1) Temperature Probe

• (1) Lab-Grade Double Junction pH Probe

• (1) Lab-Grade Double Junction ORP Probe

• (1) 15" LLS Liquid Level Sensor

• (1) LD-3 Optical Multi-Surface Leak Sensor

• (1) 6' Aquabus Cable

• (1) Set of Calibration Solutions (pH 7 & 10)

• Mounting Screws

• Getting Started Card

Product Specifications

A3 Apex Pro Base Unit

• Ports:

  • 4x FMM (Fluid Monitoring Module)

  • 4x 0–10V variable output channels

  • 6x digital switch inputs

  • 2x AquaBus ports

  • 2x pH/ORP probe ports

  • 1x salinity probe port (probe sold separately)

  • 1x temperature probe port

• Connectivity: WiFi & Ethernet

• Alarm: Built-in audible alert

• Dimensions: 4.75" L x 5.25" H x 3.25" W

Energy Bar 832

• Power Outlets: 8x 120V AC outlets (individually controlled & monitored)

• 1LINK Ports: 3x (for WAV, DOS, etc.)

• DC24 Ports: 2x (small pumps, solenoids, fans, etc.)

• Safety Certification: Only UL/ETL-certified aquarium power bar on the market

• Dimensions: 10" L x 6.5" H x 2.25" W

Why You’ll Love It

• Prevent catastrophic failures with leak, level, and power monitoring.

• Automate feeding, dosing, lighting, and water changes with ease.

• Receive alerts via email or smartphone notifications when parameters deviate.

• Enjoy the confidence of lab-grade accuracy and professional-quality hardware.