Neptune Systems A3 Apex Aquarium Controller System

The Neptune Systems A3 Apex Controller System is the ultimate command center for your reef aquarium. Designed to monitor, automate, and protect your system, the A3 Apex provides real-time control of temperature, pH, equipment, lighting, dosing, and more — all accessible through the intuitive Apex Fusion cloud interface.

Whether you’re running a mixed reef, SPS-dominant system, or high-tech aquarium, the Apex A3 delivers peace of mind through intelligent automation and remote monitoring.

Why Use an Aquarium Controller?

Maintaining stable parameters is critical for coral health. The A3 Apex helps you:

• Monitor temperature and pH 24/7
• Automate heaters, chillers, and lighting
• Control dosing pumps and return pumps
• Receive instant alerts for parameter issues
• Protect livestock from equipment failures

At GTA Reef, we emphasize stability and preventative monitoring, and the Apex system is one of the most powerful tools for long-term reef success.

Key Features of the A3 Apex

Advanced Monitoring

Includes precision probes to monitor continuously:

• Temperature
• pH
• ORP (depending on package)

Apex Fusion Cloud Control

Access your tank from anywhere via smartphone, tablet, or desktop. View graphs, set alerts, and program schedules easily.

Energy Bar with Individual Outlet Control

Control and automate pumps, skimmers, heaters, and lights with intelligent outlet programming.

Expandable Ecosystem

Compatible with:

• DOS QuietDrive dosing pump
• Trident automated testing system
• WAV pumps
• SKY LED
• DDR reservoirs
• Leak detection modules

Ideal For

• Reef tanks 40 gallons and up
• SPS-dominant systems
• Advanced automation setups
• Reefer who travel frequently
• Hobbyists wanting full system control

Why Buy from GTA Reef (Toronto)

• 20+ years of reef experience
• Expert setup guidance
• Local pickup near Yorkdale Mall
• Canada-wide shipping
• Support with Apex programming