Water treatment at home, WaterStillar Wall, is set up in a fantastic located deserted farm. The croft is located in Sweden and receives water from its own well / waterworks. The water is purified by a WaterStillar Wall that is a water purification system which is a combined water heater and water purifier that, without additional operating costs, is able to remove all types of pollution eg arsenic, pesticides, heavy metals, nitrite, boron, pesticides and other toxins from the water and create completely clean drinking water.