Biogas - First experiments.
The ingredients:
Dung in a dung container, where the methane is being produced.
A container filled with water, which will be pushed out by the gas from the first container. The container has a valve through which the gas can be released and hopefuly we can lit a small flame with it.
An empty container, to which the water from the second container will be pushed intoand a couple of tubes to connect between the containers.