Green Cone Food Digester

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The Green Cone is a four-part injection moulded unit comprising a lower basket installed below ground and forming the base for an upper assembly consisting of a black inner cone and a green outer lidded plastic cone. The diameter of the outer Green Cone is 59cm at its base and 28cm at the lid end. The in-ground food waste digestion chamber is 42cm deep and the Green Cone stands less than 70cm above the ground.

The Green Cone takes all household food waste, including vegetable scraps, raw and cooked meat or fish, bones, dairy products and other organic kitchen waste e.g. tea bags, bread etc. The Green Cone comes with a 5 litre kitchen caddy for collecting and carrying household food waste to the Green Cone.

The patented design of the unit utilises a solar heating effect between the inner and outer cones to promote air circulation, which facilitates the growth of beneficial micro-organisms and the desirable aerobic digestion process. The household food waste is converted into water, carbon dioxide and small amount of residue that will only need to be removed every few years in a well operating Green Cone.

In a healthy working Cone the food waste will be covered in a blue/grey fur, this is the bacteria doing it's work. While you can see the bacteria you do not need to add accelerator powder. When the level of bacteria starts to disappear add some accelerator powder.

Your Green Cone is supplied with accelerator powder and an application jar. Where the Green Cone is situated in a position that does not enjoy a full days sunshine, or when there are long periods of cold weather, the digestion process may benefit from the application of this powder.


  • Total height of cone: 110cm
  • Height above ground:70cm
  • Depth below ground: 42cm
  • Lid diameter: 28cm
  • Base diameter: 38cm
  • Weight: 8.5kg
  • Volume of basket: 80 litres