Solar C³ities is an international platform with the intention of providing an open-source virtual Hackspace for "Biogas Innoventors and Practitioners" and training for all those researching, developing and deploying sustainable solutions for flourishing societies.
Why have a separate gas storage tank? Why not, instead of having the gas tank storage full of water, you fill it with slurry and it produces gas direct rather than having to pipe gas from one tank to another?