Bigger one now with clay membrane for comparisonif there is more capacity and/or less degradation.http://algo.mur.at/projects/powerflowerbells/media/earth_battery_2/big_pot_earth_battery.JPG/viewhttp://algo.mur.at/projects/powerflowerbells/media/earth_battery_2/big_pot_earth_battery.JPG/@@download/image/big_pot_earth_battery.JPG
Bigger one now with clay membrane for comparison
if there is more capacity and/or less degradation.
