A3 Apex Jr. System (AU)

A3 Apex Jr. System Smart Monitoring That Grows With You An affordable monitoring-only solution that tracks temperature, pH, water level, and leaks - the essentials that prevent most aquarium disasters. Features two AquaBus ports for easy expansion and becomes a full controller when you add an Energy Bar.

Includes:

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