Electronic Water Purification works by applying DC power to carbon based electrodes which are layered into a casing and the application of this power causes the electrodes to be charged with opposing polarities.

This opposing polarity attracts minerals which are in the water, causing them to be removed from the water. The minerals are then absorbed on the surface of the electrode which causes all minerals and impurities to be removed, leaving behind nothing but pure water.

When these contaminants do build up too much then they are simply dumped by reversing the polarity of the charge and then flush away by a valve system