Smart Salinity Monitoring and Aquarium Automation The HYDROS Control X3-S is a compact yet powerful aquarium controller designed specifically for saltwater aquariums. Built around conductivity and salinity monitoring, the X3-S gives reef hobbyists precise control over essential equipment while providing real-time alerts and monitoring through the intuitive HYDROS app. Whether you're building your first automated reef or expanding an existing HYDROS collective, the Control X3-S delivers industrial-grade reliability in a compact, IP65-rated controller. Monitor salinity, temperature, water levels, leaks, and more while automating pumps, lighting, feeders, and other critical equipment—all from your smartphone. Features Designed specifically for saltwater aquariums Dedicated Salinity (Conductivity) Probe Port 2 HYDROS Sense Ports 2 Command Bus ports for expanding your HYDROS Collective Real-time alerts and push notifications Cloud-based control from anywhere Local Wi-Fi control without internet Fast dual-core 32-bit processor IP65 splash-resistant enclosure Aircraft-style waterproof connectors Expandable with additional HYDROS controllers Built-in Safety Net architecture with no single point of failure Engineered, assembled, and supported in the USA Monitor Your Aquarium The HYDROS Control X3-S can monitor: Salinity (Conductivity) Temperature Water Level Leak Detection Flow Sensors Magnetic Switches Push Button Inputs Additional HYDROS Sense accessories Create custom automation rules that notify you immediately if your aquarium experiences abnormal conditions, helping protect your livestock 24/7. Expand Your HYDROS System The X3-S works perfectly as a standalone controller or as part of a larger HYDROS Collective. Compatible with: XP8 Power Bar WaveEngine X4 X10 Kraken Maven Minnow Drive Port Accessories Additional HYDROS Controllers and Accessories Specifications Dual-Core 32-Bit Processor 2 HYDROS Sense Ports 1 Dedicated Salinity Probe Port 2 Command Bus Ports IP65 Splash-Proof Enclosure Cloud and Local Wi-Fi Connectivity Dimensions: 5" × 2.7" × 2.3" What's Included HYDROS Control X3-S Controller Mounting Hardware Quick Start Guide Please Note: Salinity probe, temperature probe, power supply, and other accessories may be sold separately depending on the package purchased. Verify package contents before ordering. Why Choose the HYDROS Control X3-S? The Control X3-S is the ideal controller for reef keepers who want accurate salinity monitoring while building a flexible automation system that can grow alongside their aquarium. Unlike many controllers that require costly expansion modules, every HYDROS controller functions as an intelligent device capable of working independently or as part of a larger system. Its dedicated conductivity monitoring, industrial-grade reliability, and expandable design make it an excellent choice for reef hobbyists seeking dependable aquarium automation. Shipping Information FREE Standard Shipping This item qualifies for FREE Standard Shipping within the contiguous United States. FREE Standard Shipping Processing Time: 1–3 Business Days Estimated Delivery: 3–7 Business Days Securely packaged for safe delivery Tracking information will be emailed once your order ships Why Shop with Infinity and Beyond Aquatics? At Infinity and Beyond Aquatics, we understand that reliable equipment is the foundation of every successful aquarium. That's why we offer trusted brands, competitive pricing, and customer support backed by real reef-keeping experience. When you shop with us, you'll enjoy: Authorized dealer for premium aquarium brands Competitive pricing on trusted equipment Fast, reliable order processing Secure packaging to protect your investment Friendly support from experienced hobbyists A growing selection of saltwater, freshwater, and reef aquarium products Whether you're purchasing your first controller or building a fully automated reef system, we're here to help every step of the way.
