
Control X3-S (Controller Only) - Hydros
Take Full Control of Your Aquarium with the HYDROS Control X3-S The HYDROS Control X3-S brings unparalleled automation and monitoring to your aquarium—now with the added ability to monitor salinity levels. In addition to all the powerful features of the original Control X3, the X3-S includes a dedicated Salinity Probe Port for real-time conductivity tracking, making it a top-tier choice for reef aquarists who demand precision. It connects to two sensor devices, including temperature sensors, water level sensors, and leak detectors, and features both a Probe Port for pH or ORP monitoring and a Salinity Probe Port for accurate conductivity measurement. The Control X3-S can send real-time alerts and notifications while managing essential equipment such as lights, pumps, and feeders through optional HYDROS Smart Plugs or WiFi Power Strips (sold separately). Whether you’re running a saltwater aquarium, freshwater tank, or pond, the Control X3-S functions as a standalone controller or