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Tunze Osmolator

If you own one of Tunze's Osmolator Auto Top-off systems then you’re probably already aware of its uncanny accuracy and rock-solid reliability. The Osmolator is generally regarded as the best of the best; it’s the device both professional and hobbyist aquarists turn to when defending against the constant onslaught of evaporation and its accompanying problems.

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  • Osmolator 3155 Auto Top Off - Tunze

    Osmolator 3155 Auto Top Off - Tunze

    Tunze

    $229.99
    High-tech, for a reliable water level in the aquarium.  Water level regulator with two sensors suitable for use in cabinet filters, in Comline filters or directly on the edge of the aquarium.  Scope of delivery: Ready for mounting with...
  • Osmolator Nano 3152 Auto Top Off - Tunze

    Osmolator Nano 3152 Auto Top Off - Tunze

    Tunze

    $114.99
    For small aquariums, a stable osmotic balance is important, because they are particularly sensitive to constantly changing salt concentrations. The Osmolator nano which was specifically designed for this, is a water level controller with only a...
  • Replacement Osmolator Pump 5000.020 - Tunze

    Replacement Osmolator Pump 5000.020 - Tunze

    Tunze

    $29.99
    Replacement dosing pump with low voltage 3-12V DC for osmolator.Power with 4mm hose at 11V: 0.9m – 110/h, 1.4m – 80l/h, 1.8m – 58l/h, Hmax 3.6m.
  • Osmolator 3 Automatic Water Top Off (ATO) 3154 - Tunze

    Osmolator 3 Automatic Water Top Off (ATO) 3154 - Tunze

    Tunze

    $229.99
    Straightforward and safe water level controller for fresh and sea water with optical control sensor and independent thermal safety sensor. A constant water level keeps the salt concentration constant in seawater aquariums. Incl. Turbelle® High...
  • Osmolator 3 Nano ATO Auto Top Off - Tunze

    Osmolator 3 Nano ATO Auto Top Off - Tunze

    Tunze

    $129.99
    The TUNZE® Osmolator® 3 nano is a simple and safe device with just one sensor for maintaining a constant water level in aquarium systems up to approx. 250 liters (66 US gal.), can be placed in cabinet filter systems or directly on the...