Grainfather - GF30 Pro Controller

Grainfather - GF30 Pro Controller


Upgrade your Conical Fermenter controller and get built-in wireless control!  


Already using the Grainfather Conical Fermenter? Get the new Grainfather Conical Fermenter Pro Controller, install it your current unit and benefit from wireless control.


Connect the Conical Fermenter Pro Controller to the internet and the Grainfather App, add fermentation tracking devices and control/monitor fermentation from anywhere! Plus, it’s even got improved digital display and is splash proof, making it easy to clean and wash down your fermenter.  



  • GF30 Controller
  • 4 x screw hole plugs
  • Self-fusing tape
  • Fermenter socket cap
  • Instructions on how to install the new controller to your current fermenter



  • 30 W, 12 V heating power
  • Splash proof
  • Change temperature control (to disable heating or cooling)
  • Change units (Celsius or Fahrenheit)
  • Hysteresis (the margin of temperature variation from the set temperature allowed before the temperature control turns back on): 0.1-2.0°C (0.22-4°F)
  • Lower temperature limit (default setting: 6°C (43°F))
  • Calibrate temperature