14th November 2012
The system consists of a series of ceramic bowls placed atop plywood stands. The bowls are made of a clay and sawdust mix that is fired at 850 degrees Celsius. The sawdust burns away during firing leaving behind pores in the clay that make it ideal for purifying liquids at a fast rate. By adding colloidal silver, remaining traces of bacteria are killed, extending the shelf life of the final product.