HowTo: Extract and Process Natural Clay | Make:
Jun 26, 2012· This twopart series from Eddie Starnater of Practical Primitive shows you how to extract the clay from raw soil and process it into a material that can be used for pottery. In the first part, Eddie teaches a simple water extraction process that uses a series of mixing and decanting steps to remove sand and silt, followed by pouch filtration to remove excess water.