Neptune Systems A3 Apex Jr System

The Neptune Systems A3 Apex Jr System is the perfect entry point into the Apex ecosystem. Designed for smaller tanks or reefers who want the power of Neptune automation without the full-size Apex footprint, the Apex Jr delivers real-time monitoring, equipment control, and remote access via the Apex Fusion app — all at a lower price point.

The Apex Jr connects directly to your home network and gives you the ability to monitor pH, temperature, and leak detection from anywhere in the world. It's fully expandable with Neptune modules as your tank and needs grow.

What's Included:

• A3 Apex Jr. Base Unit
• Lab Grade Double Junction pH Probe
• Temperature Probe
• Solid-Surface Leak Detection Probe
• Magnetic Optical Sensor
• Power Supply
• pH Calibration Solutions

Key Features:

• Aquarium monitoring and automation
• Remote access via Apex Fusion app (iOS, Android, web)
• Email and text alerts for out-of-range parameters
• Expandable with additional Neptune modules and accessories
• Compatible with EcoTech Marine and AquaIllumination via MXM module