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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 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

    $34.79
    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

    $249.99
    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

    $149.99
    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...