Has anyone seen a shed setup with gutters that feed rainwater into a tank . The tank is sat on top of and floating in another and able to slide up and down inside it as the water is pressured out through a turbine producing power . A device ensures that the top tank feeds into the bottom tank keeping the bottom tank at the same level until the top tank runs dry when everything stops and awaits rain . The top tank is still available for drinking water. The next tank after the turbine is lower again and is available for drinking water and normal usage .. So three tanks . Middle one under pressure driving turbine and can also be used for water supply in an emergency
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