Design features:

• Substrate: topsoil gathered from La Friche's garden - two days before assembly - inoculated with 10 mL of clay gathered in Niolon on the day of assembly.
• Container: crate, covered with a transparent garbage plastic bag.
• Proton Exchange Membrane: printer paper with low amount of ink.
• Water comes from La Friche's tap - maybe chlorinated.
• Anode: copper covered with carbon, extracted from a dead DELL PC battery found in the LFO storage space.
  • Surface: 70*5 cm2
• Cathode: copper covered with less carbon, extracted from the same battery.
  • Surface: 70*5 cm2