Neptune Systems A3 Apex Aquarium Controller System

Take complete control of your reef aquarium with the Neptune Systems A3 Apex System—the industry's most trusted aquarium controller. Whether you're protecting a prized reef or automating everyday maintenance, the A3 Apex provides real-time monitoring, intelligent automation, and instant alerts to help keep your aquarium thriving.

Monitor your aquarium from anywhere using Apex Fusion, automate equipment based on water conditions, receive notifications before problems become disasters, and expand your system as your reef grows.

Why You'll Love It

• Monitor your aquarium anytime, anywhere with Apex Fusion

• Automate heaters, return pumps, skimmers, lights, and more

• Receive instant alerts for temperature, pH, leaks, power failures, and equipment issues

• Protect your aquarium with intelligent fail-safe programming

• Easily expandable with Neptune accessories including Trident, DOS, ATK, WAV, SKY, MXM, and more

• Simple setup with Wi-Fi or Ethernet connectivity

What's Included

• A3 Apex Base Unit

• Energy Bar 832

• Lab Grade Double Junction pH Probe

• Temperature Probe

• Magnetic Optical Sensor (MOS)

• LD-2 Leak Detection Sensor

• 6 ft AquaBus Cable

• pH Calibration Solutions

Key Features

Complete Aquarium Monitoring

Monitor your aquarium's most critical parameters including:

• Temperature

• pH

• Water Level

• Water Leaks

• Equipment Status

• Power Consumption

Intelligent Automation

Create custom programming to automatically:

• Turn heaters on and off

• Shut down equipment during feeding

• Prevent overflows

• Protect pumps from running dry

• Receive alerts before equipment failures become emergencies

Energy Bar 832

The included Energy Bar 832 provides advanced power management with:

• 8 individually controlled 120V outlets

• Individual power monitoring on each outlet

• 3 x 1LINK ports for compatible Neptune accessories

• 2 x 24V DC accessory outputs

• Built-in surge protection

Apex Fusion Cloud Control

Access your aquarium from virtually anywhere using your smartphone, tablet, or computer. View live data, historical graphs, receive notifications, and make programming changes remotely.

Expand As Your Reef Grows

The A3 Apex is designed to grow alongside your aquarium. Compatible accessories include:

• Trident Automated Water Tester

• DOS Dosing System

• ATK Auto Top Off

• WAV Pumps

• MXM EcoTech & AquaIllumination Integration

• Flow Sensors

• Leak Detection Sensors

• Automatic Feeders

• Additional Energy Bars

• And many more Neptune accessories

Specifications

• Wi-Fi & Ethernet Connectivity

• Cloud-Based Apex Fusion Control

• Expandable Modular Platform

• Audible Alarm

• Temperature Monitoring

• pH Monitoring

• Leak Detection

• Water Level Monitoring

• Compatible with Hundreds of Apex Accessories

Why Shop with Infinity and Beyond Aquatics?

When you purchase from Infinity and Beyond Aquatics, you're buying from fellow aquarium hobbyists who understand the importance of reliable equipment and dependable customer service.

• Authorized brand-name products

• Factory-fresh equipment

• Competitive pricing

• Fast order processing

• Responsive customer support

• Passionate hobbyists ready to help before and after your purchase

Whether you're setting up your first controller or upgrading an advanced reef system, we're here to help every step of the way.

Shipping Information

Medium Shipping – $18.99

• Professionally packaged for safe delivery

• Orders typically ship within 1–3 business days

• Tracking information provided once your order ships

• Estimated transit time: 3–7 business days (carrier dependent)