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GHL Doser 2.1 SA Independent Dosing Pump 4 Channel



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Simplify your dosing – The GHL Doser 2.1 affords simple and accurate dosing of liquids such as micro elements, and balling salts.



black or white

220 x 150 x 70 mm (without pumps)

2 to 4 pumps
Stand alone with integrated controller and slave unit compatible with ProfiLux or stand alone

System can be expanded up to 16 pumps

Flow rate
Flow rate adjustable: approx. 8 ml/minute … 45 ml/minute
Dosing volume adjusted to 0,1 ml




  • Manifold connectivity options
    Ports for connecting a magnetic stirrer, an external GHL Control Pad (4.3″, touch screen), temperature and level probes.
  • Integrated auto top-off
    Refill and water change of small amounts of water.
  • Extremely accurate dosing
    The 24V stepper motors allow precise dosing of smallest flow rates.
  • LED status display
    The LED-backlit GHL Logo functions as a status display. Different colors quickly indicate the status of your aquarium.
  • Simple connection
    The connection is possible via Wi-Fi or USB.
  • Display of liquid level
    Keep track and control of your liquid level. The alarm indicates refill malfunction.
  • Easy handling
    Set up your dosing pump via software and start manual operation via buttons on the unit.
    Automatic calibration possible.
  • Outstanding quality
    Use of chemical resistant tubes (Novoprene©) and stainless steel motor shafts.
    Suitable for Iodine.
  • Modular system
    The GHL Doser 2.1 slave unit can be connected with a ProfiLux controller and a GHL Doser 2.1 Stand Alone.
    Pumps and motors can be replaced separately.



The software for your PC or smartphone allows you to adjust your dosing at a definite time and at weekdays or day intervals. Choose manual or automatic dosing, adjust up to 150 doses per day and calibrate your pumps conveniently with the software.






Additional information

Weight4.000 kg



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