An Apex monitored aquarium is a successful aquarium! Introducing the exciting all-new A3 Series of Apex controllers. From the Jr. to the Pro, Apex has a solution for every aquarium level. A3 Series Apex Controllers – Monitoring and Control Solutions for every Aquarist! APEX Jr: Monitoring for all, control ready.The A3 Apex Jr. is the first monitoring only solution that monitors exactly what you need; and, when ready, opens the door to control for all aquarists. What's Included? Apex PRO Apex Apex Jr Temperature YES YES YES pH YES YES YES ORP YES — — Salinity Sold Separately — — FMM Ports 4 3 2 Outlets 8 8 — 1LINK 3 3 — DC 24V 2 2 — Digital Inputs 6 6 — Alarm Buzzer YES YES YES Wi-Fi YES YES YES Hard-wired YES YES — Liquid Level YES — — Leak Detection Optical Analog Analog Variable(0-10V) 4 — — Optical Sensor — YES YES Expandable YES YES YES Availability Now Now Soon
