Controllers 

  • R 349.00 55Availability: In Stock
    Availability: In Stock
    Digital timer switches allow you to customize and cut your energy consumption. Fans, pumps, lights and heaters can be programmed to only use the energy needed for  daily or weekly schedules.
  • R 899.00 91Availability: In Stock
    Availability: In Stock
    A microcomputer-controlled hygrostat (humidity controller) that regulates humidity or de-humidification. The controller supports connection to any equipment up to 10 Amp. 
  • R 569.00 10Availability: In Stock
    Availability: In Stock
    A temperature controller capable of supporting heating and cooling options, the AT 800 comes with a probe and an alarm that rings when the temperature exceeds the set limit.
  • R 299.00 68Availability: In Stock
    Availability: In Stock
    A thermostat helps you to keep a constant temperature in your grow room. It supports cooling (exhaust fan/air conditioner) and heating.
  • R 479.00 6Availability: In Stock
    Availability: In Stock
    A digital thermostat that controls the heat-mat temperature, ensuring even heating despite ambient temperature changes, and optimum rooting temperatures for faster seedling or cutting growth.
  • R 699.00 1Availability: In Stock
    Availability: In Stock
    These controllers monitor the temperature and intelligently control your intake and extraction fans to maintain a constant grow room environment. Powered from the fan, there is no need for a power pack.
  • R 1,399.00 Availability: Out of Stock
    Availability: Out of Stock
    ​​This thermostatic controller adjusts an outtake fan's speed to maintain your grow room's temperature at optimum levels. Set the fan speed and temperature rates and let the controller do the rest. 
  • R 799.00 Availability: Out of Stock
    Availability: Out of Stock
    A stepless fan speed controller gives you control over the amount of air that passes through the fan without damaging the fan's electrical components. 
  • R 1,499.00 Availability: Out of Stock
    Availability: Out of Stock
    A replacement pH probe (electrode) for Bluelab products that test the pH value of a solution. pH probes don't last forever and will eventually fail. Keep the probe tip wet and clean monthly to extend its life.
  • R 499.00 14Availability: In Stock
    Availability: In Stock
    Specifically designed to work with the Übermister. This device works like a thermostat, except instead of measuring and responding to a space's temperature, it measures and responds to its humidity levels. 
  • R 1,999.00 Availability: Out of Stock
    Availability: Out of Stock
    An intelligent and silent indoor climate controller designed to control two inline/exhaust fans thermostatically.
  • R 3,999.00 Availability: Out of Stock
    Availability: Out of Stock
    This instrument has a range of features allowing easy monitoring and control of the CO₂ climate in your grow room.

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Dear Customer,
In order to bring you an improved service, we have changed our couriers and the order delivery process.

We hope that you will find the entire process simpler to use.

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Please email us with any problems or comments at shop@gthydro.co.za
And, of course, if you have a problem that needs immediate attention, give us a call on 079 081 0376 during office hours.