wonder if any one can help here,i remember seeing something about these devices on a tv program a while ago where you put a shaft down in the sand (obviously at the beach) and got it down near the water level and pumped fresh water (details a little sketchy:rolleyes: ) anyone know anything about these units,as going to the top end of fraser and would be better to have one of these units rather than lug heaps of containers of water for a weeks supply:cool: