The use of biogas for day-to-day activities is something that happens on a large scale worldwide. In countries like China and India the waste produced by large factories and households flats is being used to produce biogas. It has also helped to reduce environmental pollution. This document concentrates on small-scale domestic biogas digesters. The objective of the study is to build awareness on how to properly maintain a small biogas digester and what needs to be done when minor malfunctions occur. The reason being as the result of research carried out suggesting that the majority of biogas digesters such as Indian biogas digester, Chinese biogas digester, and Sri Lankan biogas digester become inefficient due to minor malfunctions.
