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 A3: Core control and everyday monitoring.The A3 Apex System offers the control but scaled back monitoring with room to grow for the everyday aquarist. 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
