The HYDROS Control X2 Starter Pack by CoralVue is a complete, ready-to-run aquarium controller kit built around the affordable Control X2. It bundles everything you need to start monitoring and automating a saltwater or freshwater tank — no extra modules to buy. Track temperature, leaks, and flow, then switch pumps, heaters, and lights on a schedule or in response to real-time conditions, all from the free HYDROS app. What's included Control X2 unit Power supply Temperature sensor 4-Outlet WiFi AC Power Strip HYDROS app (iOS & Android) What you can do out of the box Run an automatic top-off, put a heater on temperature control, schedule lighting, and switch equipment through the included WiFi Power Strip — with alerts if something drifts out of range. Frequently asked questions Does this pack monitor pH? No — the Control X2 has no probe port. For pH/ORP monitoring, choose the Control X3 Starter Pack. Can I expand it later? Yes. Add sensors to its Sense Ports or link it with other HYDROS controllers over the Command Bus. Where can I see full X2 specs? On the standalone HYDROS Control X2 page. Shipped fast with expert support. Get your HYDROS gear from real reefers at Marine Concept Supply, with setup help when you need it and local pickup at our Wheeling, IL showroom.