{"product_id":"tunze-osmolator-nano-3-ato-3151-open-box-1","title":"Tunze Osmolator Nano 3 ATO - 3151 - OPEN BOX","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eTunze Osmolator Nano 3 ATO - 3151\u003c\/h2\u003e\n\u003ch3\u003e\u003cspan style=\"color: rgb(255, 0, 0);\"\u003eOPEN BOX - NEW \/ UNUSED\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp\u003eThe Tunze Osmolator Nano 3 ATO - 3151 is a compact automatic top-off system for smaller aquarium systems up to approximately 250 litres or 66 US gallons. It uses a single precise optical water-level sensor, selectable maximum dosing duration, a quiet 12 V dosing pump, hose, holder, magnet mount, and sensor protection cover for simple freshwater top-off control in nano and small aquarium setups.\u003c\/p\u003e\n\u003ch3\u003eTunze Osmolator Nano 3 for Compact ATO Control\u003c\/h3\u003e\n\u003cp\u003eThe Osmolator Nano 3 is built for aquariums that need reliable automatic top-off in a smaller and simpler format than the full Osmolator 3. It can be installed in cabinet filter systems, rear chambers, or directly on the aquarium edge, making it a practical choice for nano reef tanks, small marine aquariums, and freshwater systems where evaporation causes water-level changes.\u003c\/p\u003e\n\u003ch3\u003eSingle-Sensor Nano ATO Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDesigned for smaller systems:\u003c\/strong\u003e Suitable for aquarium systems up to approximately 250 L or 66 US gallons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecise optical sensor:\u003c\/strong\u003e Detects water level with 0.5 mm accuracy and is designed to resist air bubbles, deposits, and scratches.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple one-sensor setup:\u003c\/strong\u003e Uses a compact single-sensor design for straightforward nano aquarium installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelectable dosing limit:\u003c\/strong\u003e Two maximum dosing-duration settings allow the amount of top-off water to be matched to aquarium size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuiet High Jet pump:\u003c\/strong\u003e Includes the Turbelle High Jet 5030 with dry-running and blockage protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNano-friendly mounting:\u003c\/strong\u003e Sensor mount works on glass up to 12 mm and the hose holder works on edges up to 22 mm.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGerman-made hose:\u003c\/strong\u003e Includes flexible PU hose that is low-emission, hydrolysis-resistant, microbe-resistant, and resistant to kinking when routed properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtective sensor cover:\u003c\/strong\u003e Helps shield the sensor during regular aquarium use.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOsmolator Nano 3 3151 Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Compact automatic top-off water level controller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTunze product number:\u003c\/strong\u003e 3151.000\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRecommended aquarium size:\u003c\/strong\u003e Up to approximately 250 L or 66 US gallons\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eControl sensor:\u003c\/strong\u003e Single optical water-level sensor\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor accuracy:\u003c\/strong\u003e 0.5 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded pump:\u003c\/strong\u003e Turbelle High Jet 5030 low-voltage dosing pump\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaximum pump head:\u003c\/strong\u003e 3 m or 9.8 ft\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower supply:\u003c\/strong\u003e 12 V DC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSensor glass thickness:\u003c\/strong\u003e Up to 12 mm or 1\/2\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTube holder thickness:\u003c\/strong\u003e Up to 22 mm or 0.87\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded hose length:\u003c\/strong\u003e 3 m\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReservoir:\u003c\/strong\u003e Not included\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e3151 Nano Aquarium Fit and Safety Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest application:\u003c\/strong\u003e Nano aquariums, small reef tanks, compact all-in-one aquariums, and small freshwater systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSalinity stability:\u003c\/strong\u003e Helps reduce salinity swings in smaller marine aquariums where evaporation has a faster effect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSingle-sensor planning:\u003c\/strong\u003e Use the selectable dosing-duration limit carefully and match it to the aquarium size and reservoir volume.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutlet positioning:\u003c\/strong\u003e Route the top-off outlet so it cannot back-siphon or slip below the aquarium waterline.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReservoir sizing:\u003c\/strong\u003e Use a clean freshwater reservoir that is appropriate for the aquarium and does not create excessive risk if misconfigured.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTunze Osmolator Nano 3 Setup Directions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eInstall the optical sensor in the aquarium, rear chamber, or filter compartment at the desired operating water level.\u003c\/li\u003e\n\u003cli\u003eUse the magnet holder on clean glass within the supported 12 mm thickness range.\u003c\/li\u003e\n\u003cli\u003ePlace the low-voltage dosing pump in a clean freshwater reservoir.\u003c\/li\u003e\n\u003cli\u003eRoute the 3 m hose from the reservoir to the aquarium or filter chamber and secure it with the hose holder.\u003c\/li\u003e\n\u003cli\u003eSet the appropriate maximum dosing-duration level for the aquarium size.\u003c\/li\u003e\n\u003cli\u003eTest the top-off function before leaving the system unattended.\u003c\/li\u003e\n\u003cli\u003eInspect the sensor, pump, hose, and reservoir regularly during routine maintenance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTunze Osmolator Nano 3 ATO - 3151\u003c\/li\u003e\n\u003cli\u003eOptical sensor with magnet holder\u003c\/li\u003e\n\u003cli\u003eProtective cover for sensor\u003c\/li\u003e\n\u003cli\u003eLow-voltage dosing pump\u003c\/li\u003e\n\u003cli\u003e12 V power supply\u003c\/li\u003e\n\u003cli\u003e3 m hose\u003c\/li\u003e\n\u003cli\u003eHose holder\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eALL SALES FINAL ON CLEARANCE ITEMS NO RETURNS, REFUNDS OR EXCHANGES.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h4\u003e\n\u003c\/div\u003e","brand":"Tunze","offers":[{"title":"Default Title","offer_id":67706130465056,"sku":"TZ-OSMO3151-OP","price":170.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0951\/8222\/5696\/files\/tunze_osmloator_nano_3_3151-1_6709822a-c878-4ead-8743-edf92a84b44d.jpg?v=1791491816","url":"https:\/\/aquariumsupplydirect.com\/products\/tunze-osmolator-nano-3-ato-3151-open-box-1","provider":"J\u0026L Aquatics - Aquarium Supply Direct","version":"1.0","type":"link"}