{"product_id":"hydros-blenny-aquarium-controller-4-head-doser-open-box","title":"HYDROS Blenny Aquarium Controller + 4-Head Doser - Open Box","description":"\u003ciframe width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/MoIrQFVBFmM?si=SPmtv5TAxlQ7y4UH\" title=\"YouTube video player\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen style=\"width: 100%; border-radius: 12px; max-width: 640px;\"\u003e\u003c\/iframe\u003e\n\u003ch3 data-pm-slice=\"1 1 []\" dir=\"ltr\"\u003eHYDROS Blenny: Advanced Aquarium Control and Dosing System\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eTake control of your aquarium with the \u003cstrong\u003eHYDROS Blenny\u003c\/strong\u003e, a state-of-the-art controller designed for precision dosing and comprehensive monitoring. Perfect for both saltwater and freshwater tanks, the Blenny combines four independent micro-liquid dosing pumps with versatile connectivity and smart features to ensure your aquatic ecosystem thrives. Whether used standalone or integrated with other HYDROS devices, the Blenny delivers unmatched reliability and ease of use.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003eKey Features\u003c\/h3\u003e\n\u003ch4\u003eFour Independent Micro-Liquid Dosing Pumps\u003c\/h4\u003e\n\u003cul dir=\"ltr\" data-tight=\"true\" class=\"tight\"\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003ePrecision Dosing\u003c\/strong\u003e: Accurately deliver two-part solutions, trace elements, and other liquid supplements with four quiet, rotatable dosing heads.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eCustomizable Flow Rates\u003c\/strong\u003e: Choose from six preset speeds (-55, -45, -25, 25, 40, 55 ml\/min) for exact metering.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eUser-Friendly Design\u003c\/strong\u003e: Color-coded dosing heads and 3x5mm tubing simplify setup and maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eAdvanced Connectivity\u003c\/h4\u003e\n\u003cul dir=\"ltr\" data-tight=\"true\" class=\"tight\"\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eFour Sense Ports\u003c\/strong\u003e: Universal input ports compatible with a wide range of sensors for real-time parameter monitoring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTwo Drive Ports\u003c\/strong\u003e: Provide switched 12Vdc power and communication, with current monitoring for fail-safe operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eTwo Command Bus Ports\u003c\/strong\u003e: Enable seamless data and power transfer between HYDROS devices.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eWiFi Control\u003c\/strong\u003e: Manage up to eight WiFi devices, such as fish feeders or power strips, via the HYDROS App (accessories sold separately).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eSmart Technology\u003c\/h4\u003e\n\u003cul dir=\"ltr\" data-tight=\"true\" class=\"tight\"\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eHYDROS Cloud-Based App\u003c\/strong\u003e: Control and monitor your aquarium from anywhere using an intuitive, code-free interface. Schedule tasks, adjust settings, and receive real-time alerts with ease.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eSystem Smart Net\u003c\/strong\u003e: HYDROS devices form a resilient network, maintaining control even if a device fails.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eInternal Health Monitoring\u003c\/strong\u003e: Tracks voltages, currents, CPU status, and device temperature for proactive maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eAlerts \u0026amp; Notifications\u003c\/strong\u003e: Stay informed of potential issues, like unplugged cords, to prevent aquarium disasters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 dir=\"ltr\"\u003eCompact and Reliable\u003c\/h4\u003e\n\u003cul dir=\"ltr\" data-tight=\"true\" class=\"tight\"\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eController Dimensions\u003c\/strong\u003e: 7.625″ x 6″ x 2.875″, designed for easy integration into your setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003e\u003cstrong\u003eMade in the USA\u003c\/strong\u003e: Engineered, assembled, and supported with quality and durability in mind.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 dir=\"ltr\"\u003e\n\u003cbr\u003eWhat’s Included\u003c\/h3\u003e\n\u003cul dir=\"ltr\" data-tight=\"true\" class=\"tight\"\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003eHYDROS Blenny Controller\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003ePower Supply\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003eFour 10ft Color-Coded Dosing Tubing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp dir=\"ltr\"\u003eCalibration Beaker\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003e \u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003e\u003cem\u003eNote\u003c\/em\u003e: HYDROS WiFi Power Strip, Control XP8, or Smart Plug required for WiFi functionality (sold separately).\u003c\/p\u003e\n\u003ch3 dir=\"ltr\"\u003e\n\u003cbr\u003eWhy Choose HYDROS Blenny?\u003c\/h3\u003e\n\u003cp dir=\"ltr\"\u003eThe HYDROS Blenny is the ultimate solution for aquarists seeking precision, flexibility, and peace of mind. Its plug-and-play setup requires no coding, making it accessible for beginners and experts alike. With robust connectivity, smart monitoring, and a fail-safe design, the Blenny ensures your aquarium remains healthy and vibrant.\u003c\/p\u003e\n\u003c!-- topshelf-hydros-seo-v1:start --\u003e\n\u003csection aria-label=\"Additional HYDROS product guidance\"\u003e\n\u003ch2\u003eHYDROS Blenny Dosing and Controller Guide\u003c\/h2\u003e\n\u003cp\u003eThe HYDROS Blenny combines four independently controlled dosing heads with aquarium monitoring and HYDROS Collective connectivity. It is designed for aquarists who want to automate several liquid supplements without installing a separate controller and four individual dosing pumps.\u003c\/p\u003e\n\u003ch3\u003eFour dosing heads in one controller\u003c\/h3\u003e\n\u003cp\u003eEach color-coded head can be scheduled separately for two-part solutions, trace elements and other liquid supplements. Six preset flow directions and speeds allow each channel to be configured for the liquid and dose being delivered. Calibrate every head with the included beaker before relying on an automated schedule, then repeat the calibration whenever tubing or the liquid changes.\u003c\/p\u003e\n\u003ch3\u003eMonitoring and expansion\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eFour Sense Ports accept compatible HYDROS sensors for aquarium monitoring.\u003c\/li\u003e\n  \u003cli\u003eTwo Drive Ports provide switched 12V DC power and communication for compatible accessories.\u003c\/li\u003e\n  \u003cli\u003eTwo Command Bus Ports connect the Blenny to other HYDROS controllers.\u003c\/li\u003e\n  \u003cli\u003eThe HYDROS app manages schedules, alerts and connected equipment without coding.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Blenny can operate as a standalone dosing controller or join a HYDROS Collective. A WiFi Power Strip, Control XP8 or Smart Plug is required when the installation also needs HYDROS-controlled AC outlets; those accessories are sold separately.\u003c\/p\u003e\n\u003ch3\u003eHYDROS Blenny vs Minnow vs Sole\u003c\/h3\u003e\n\u003cp\u003eChoose the \u003ca href=\"\/products\/hydros-minnow-aquarium-controller-hydros\"\u003eHYDROS Minnow\u003c\/a\u003e when two dosing heads and four Sense Ports fit the system. Choose Blenny when four independently scheduled dosing channels are the priority. Choose the \u003ca href=\"\/products\/hydros-sole-hydros\"\u003eHYDROS Sole\u003c\/a\u003e for a single continuous-duty dosing application with a much wider adjustable flow range. For a broader feature comparison, \u003ca href=\"\/pages\/hydros-controller-comparison\"\u003ecompare HYDROS controllers\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch2\u003eHYDROS Blenny FAQs\u003c\/h2\u003e\n\u003ch3\u003eCan the HYDROS Blenny run as a standalone controller?\u003c\/h3\u003e\n\u003cp\u003eYes. It can manage its dosing heads and compatible connected sensors on its own, or join other HYDROS devices through Command Bus as part of a Collective.\u003c\/p\u003e\n\u003ch3\u003eHow do you calibrate the HYDROS Blenny dosing heads?\u003c\/h3\u003e\n\u003cp\u003eCalibrate each channel independently with the included calibration beaker and the tubing and liquid that channel will use. Recalibrate after changing tubing, liquid viscosity or pump-head configuration.\u003c\/p\u003e\n\u003ch3\u003eWhat is included with the HYDROS Blenny?\u003c\/h3\u003e\n\u003cp\u003eThe package includes the Blenny controller, power supply, four 10-foot color-coded dosing tubes and a calibration beaker. AC power-control accessories are not included.\u003c\/p\u003e\n\u003cp\u003eShop more \u003ca href=\"\/collections\/dosing-pumps\"\u003eaquarium dosing pumps\u003c\/a\u003e or browse all \u003ca href=\"\/collections\/hydros\"\u003eHYDROS products\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/section\u003e\n\u003c!-- topshelf-hydros-seo-v1:end --\u003e","brand":"Open Box","offers":[{"title":"Default Title","offer_id":52957309305130,"sku":"HDRS-BLENNY_OB","price":338.62,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0783\/0873\/7322\/files\/hydros-blenny-controller-4-head-doser-hydros-1166666076.jpg?v=1756914106","url":"https:\/\/topshelfaquatics.com\/products\/hydros-blenny-aquarium-controller-4-head-doser-open-box","provider":"Top Shelf Aquatics","version":"1.0","type":"link"}