{"product_id":"tunze-3151-osmolator-3-nano-auto-water-level-controller-for-nano-aquariums","title":"Tunze 3151 Osmolator 3 Nano — Auto Water Level Controller for Nano Aquariums","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Tunze 3151 Osmolator 3 Nano is a compact auto top-off controller built for small to mid-size nano setups. It coordinates a single, reliable sensor with a low-voltage dosing pump to help maintain a steady water level, reducing evaporation-driven fluctuations. Designed for glass up to 12 mm thick, it pairs with a 3 m hose and comes ready to install with essential mounting hardware. This kit can be placed in a cabinet filtration area or mounted directly at the edge of the aquarium, providing flexible installation options that keep cables tidy and the display uncluttered.\u003c\/p\u003e\n\n\u003ch2\u003eWhy it matters\u003c\/h2\u003e\n\u003cp\u003eIn everyday use, stable water levels matter for consistent tank behavior and easier maintenance. The Osmolator 3 Nano emphasizes simplicity and safety: a single sensor minimizes setup complexity, while the included components support clean, unobtrusive installation. The system ships with a 12V power supply and all necessary fittings so you can get underway quickly, with the confidence that setup won’t disrupt your display.\u003c\/p\u003e\n\n\u003ch3\u003eKey benefits and practical use cases\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomatic top-off helps compensate evaporation in daily routines.\u003c\/li\u003e\n  \u003cli\u003eCompact footprint makes it suitable for cabinet or edge mounting without crowding the tank.\u003c\/li\u003e\n  \u003cli\u003eGlass compatibility up to 12 mm broadens placement options on many aquariums.\u003c\/li\u003e\n  \u003cli\u003eReady-to-install bundle includes a dosing pump, hose, holders, and a sensor cover for protection.\u003c\/li\u003e\n  \u003cli\u003eMade in Germany with a focus on long-term reliability and a 5-year warranty.\u003c\/li\u003e\n  \u003cli\u003eDesigned for aquariums under 55 gallons, with built-in safety to prevent overflow on larger systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e12V power supply\u003c\/li\u003e\n  \u003cli\u003eLow-voltage dosing pump\u003c\/li\u003e\n  \u003cli\u003e3 m hose\u003c\/li\u003e\n  \u003cli\u003eHose holder\u003c\/li\u003e\n  \u003cli\u003eMagnet mount suitable for up to 12 mm glass\u003c\/li\u003e\n  \u003cli\u003eProtective cover for the sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eReal-world use\u003c\/h2\u003e\n\u003cp\u003eEnvision a neat cabinet setup where evaporation slowly lowers water level over the day. The Osmolator 3 Nano quietly rebalances the level, helping you maintain a visually stable display and fewer manual checks. While it’s designed with smaller tanks in mind, the safety features are there to prevent accidental overfilling in larger configurations. If you value a tidy, dependable topology for your nano aquarium, this device offers a practical, no-fuss approach to water-level management.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What size tanks is the Tunze 3151 Osmolator 3 Nano suitable for?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Designed for smaller aquariums up to about 55 gallons (208 L), with safety limits to prevent overflow on larger setups.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What hardware comes with the Osmolator 3 Nano?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Includes 12V power supply, low-voltage dosing pump, 3 m hose, hose holder, magnet for mounting, and sensor protective cover.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tunze","offers":[{"title":"Default Title","offer_id":40563928694913,"sku":"B0DNGDR83C","price":319.52,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0598\/4757\/3633\/files\/tunze-osmolator-3-nano-front-view.jpg?v=1765895107","url":"https:\/\/petiva.ca\/products\/tunze-3151-osmolator-3-nano-auto-water-level-controller-for-nano-aquariums","provider":"Petiva","version":"1.0","type":"link"}