Full Control. Total Automation. Zero Guesswork. The HYDROS Control X4 / XP8 PRO Pack is a complete, high performance aquarium automation system designed to monitor, control, and protect your reef tank. Built for serious hobbyists, this system combines intelligent control with power management to give you full oversight of your aquarium anytime, anywhere. This is not just a controller it’s the foundation of a fully automated reef system. What’s Included HYDROS Control X4 Controller HYDROS Control XP8 Power Bar (8 controllable outlets) Temperature Sensor pH Probe with Calibration Solutions 6ft Command Bus Cable with Terminators HYDROS App Access This pack combines two control devices into one powerful system for monitoring and automation Key Features Complete System ControlMonitor temperature, pH, water levels, and more from one interface 8 Individually Controlled Outlets (XP8)Control heaters, return pumps, lights, skimmers, and more Smart Automation & AlertsSet rules, schedules, and receive real-time notifications Expandable EcosystemAdd dosing pumps, ATO systems, leak detectors, and additional sensors Remote Access via HYDROS AppControl your system from anywhere Pro Tip Spread out the cost with flexible installment payment options available at checkout, making it easier to invest in a fully automated reef system without the full upfront cost. Perfect For Advanced reef aquariums SPS and high demand coral systems Hobbyists upgrading to full automation Anyone looking for Apex level control with HYDROS flexibility Important Notes Designed for both saltwater and freshwater aquariums Expandable with additional HYDROS devices and accessories Dosing pumps and ATO systems sold separately Perfect Paring Pair this system with HYDROS dosing pumps and IceCap dosing containers to build a fully automated reef system with minimal daily maintenance.