The trompe moves water, compresses air and apparantly removes iron from water, all without electricity.

The first video is specifically about how a Trompe is being used to remove iron from water and to clean the river without external power.  The second is a more thorough explanation about this practically forgotten 16th century technology.

We can design systems that do positive things without wasting resources. All we have to do is learn and implement.

This entry was posted in Aquaponics, design principles, DIY, Energy, hydroponics, News and politics, Water management. Bookmark the permalink.