A round concrete biogas digester that turns animal waste and organic matter into cooking gas and fertiliser for your home or farm.
• Round concrete tank, shown in the photo being built into the ground with a raised dome-shaped cover and a manhole-style inlet ring. • Size listed as 6 feet (about 1.8 metres) in diameter. • Made for renewable energy use, giving a clean fuel source from everyday farm or kitchen waste. • Suited to households and farms with livestock or regular organic waste.