It’s a polystyrene bin with fractional ventilation so bacteria heat and accelerate decomposition. Mine runs at around 60c. You could probably make one with some wood, polystyrene and a plastic membrane.
Last night @spotter was telling me his dad made one for his allotment.
It’s a polystyrene bin with fractional ventilation so bacteria heat and accelerate decomposition. Mine runs at around 60c. You could probably make one with some wood, polystyrene and a plastic membrane.
Last night @spotter was telling me his dad made one for his allotment.