Tunze Osmolator nano 3152



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The Tunze Nano Osmolator 3152 is a water level controller with only one sensor, and works great for nano or small aquariums.


  • Great for nano aquariums and tanks up to 55 gallons
  • Ready for installation out of the box
  • Can be installed in a cabinet filter or directly on the aquarium edge
  • Safe low voltage construction
  • Includes a metering pump, 3 meters of tubing, magnet holder, power supply, a float switch, protective shield and control unit. 
  • Suitable for aquariums up to 10 mm (0.39") thick

For safety purposes, the Osmolator 3152 includes a processor-based anti-overfill system which turns the pump off after five minutes of filling if the level has still not been reached (equal to a pumping of approximately 0.75 gallons).