{"product_id":"red-sea-reefsense-4-port-expander","title":"Red Sea ReefSense 4-Port Expander","description":"\u003cdiv style=\"background:#E0F7FA;border-left:4px solid #006064;padding:10px 14px;margin:0 0 14px;font-size:0.95em;color:#00464a;\"\u003e\n\u003cstrong\u003eComing soon.\u003c\/strong\u003e Part of Red Sea’s new ReefControl monitoring system. This item is on its way, check back soon or ask us to set one aside.\u003c\/div\u003e\u003cp style=\"margin:0 0 12px;line-height:1.6;\"\u003eThe \u003cstrong\u003eRed Sea ReefSense 4-Port Expander\u003c\/strong\u003e grows your monitoring setup by adding four extra ReefSense ports to a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefcontrol-pro-aquarium-controller\"\u003eReefControl Pro\u003c\/a\u003e, letting it accommodate up to seven ReefSense digital probes and sensors at once. Any ReefSense probe or sensor plugs into any open port, so you can keep adding parameters as your reef grows, all managed in the Red Sea ReefBeat app.\u003c\/p\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eWhy You’ll Love It\u003c\/h3\u003e\u003cul style=\"margin:0 0 12px;padding-left:20px;line-height:1.6;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdds four ReefSense ports\u003c\/strong\u003e to expand your ReefControl Pro monitoring array.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRun up to 7 probes and sensors\u003c\/strong\u003e on a single ReefControl Pro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlug-and-play digital\u003c\/strong\u003e, connect any ReefSense probe or sensor to any port, no programming needed.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrows with your tank\u003c\/strong\u003e, add pH, salinity, ORP, temperature, leak detection, and more over time.\u003c\/li\u003e\n\u003cli\u003ePart of the \u003cstrong\u003eRed Sea ReefControl and ReefBeat\u003c\/strong\u003e ecosystem for real-time monitoring, logs, and alerts.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eSpecifications\u003c\/h3\u003e\u003ctable style=\"border-collapse:collapse;width:100%;max-width:520px;margin:0 0 14px;font-size:0.95em;\"\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eAdds\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eFour (4) additional ReefSense ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eTotal Capacity\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eUp to 7 ReefSense probes\/sensors on a ReefControl Pro\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eAll ReefSense digital probes and sensors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eSystem\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eRed Sea ReefControl Pro \/ ReefBeat\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;font-weight:600;background:#E0F7FA;width:42%;\"\u003eAquarium Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #B2EBF2;padding:6px 10px;\"\u003eSaltwater and reef\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eComplete Your Setup\u003c\/h3\u003e\u003cul style=\"margin:0 0 12px;padding-left:20px;line-height:1.6;\"\u003e\n\u003cli\u003eRequires a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefcontrol-pro-aquarium-controller\"\u003eReefControl Pro\u003c\/a\u003e controller (also in the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefcontrol-pro-deluxe-kit\"\u003eReefControl Pro Deluxe Kit\u003c\/a\u003e).\u003c\/li\u003e\n\u003cli\u003eMount your probes with the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefsense-magnetic-4-probe-holder\"\u003eMagnetic 4-Probe Holder\u003c\/a\u003e or a \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefsense-single-probe-holder\"\u003eSingle Probe Holder\u003c\/a\u003e.\u003c\/li\u003e\n\u003cli\u003eAdd automation with the \u003ca href=\"https:\/\/squeakysaquatics.com\/products\/red-sea-reefcontrol-ato-module-temp-sensor\"\u003eReefControl ATO Module \u0026amp; Temp Sensor\u003c\/a\u003e, or browse more \u003ca href=\"https:\/\/squeakysaquatics.com\/collections\/salt-water\"\u003ereef gear\u003c\/a\u003e.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3 style=\"margin:16px 0 6px;font-size:1.05em;font-weight:600;color:#333;border-left:4px solid #006064;padding-left:8px;\"\u003eFAQ\u003c\/h3\u003e\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eWhat does the expander do?\u003c\/strong\u003e\u003cbr\u003eIt adds four more ReefSense ports so a ReefControl Pro can run up to seven probes and sensors at once.\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eWhich controller do I need?\u003c\/strong\u003e\u003cbr\u003eThe ReefControl Pro. It plugs into the ReefSense port to expand your total probe capacity.\u003c\/p\u003e\u003cp style=\"margin:0 0 8px;line-height:1.6;\"\u003e\u003cstrong\u003eWhich probes work with it?\u003c\/strong\u003e\u003cbr\u003eAny Red Sea ReefSense digital probe or sensor, including pH, Salinity, ORP, Temperature, Leak Detector, and ATO.\u003c\/p\u003e","brand":"Red Sea","offers":[{"title":"Default Title","offer_id":49045015920859,"sku":"R35827-T","price":69.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/5209\/3403\/files\/4portexpander__14970.1763052201.jpg?v=1785364143","url":"https:\/\/squeakysaquatics.com\/products\/red-sea-reefsense-4-port-expander","provider":"Squeaky's Aquatics","version":"1.0","type":"link"}