The clay will need to be soaked in water before it can actually filter anything otherwise your first attempts at filtering water through will just be soaked into the body of the ceramic.
Ceramic clay pot filters.
A ceramic pot filter consists of a flowerpot shaped pot made from a porous ceramic material.
Ceramic pot filters are locally produced in over 35 factories around the world with locally available resources such as clay and rice husk rayner et al 2013 soppe et al 2015.
The filter is flowerpot shaped holds about 8 10 liters of water and sits inside a plastic or ceramic receptacle.
To use the ceramic filters families fill the top receptacle or the ceramic filter itself with water which flows through the ceramic filter or filters into a storage receptacle.
Colloidal silver is sometimes added to the clay mixture before firing or applied to the fired ceramic pot.
Ceramic pot filters are usually made from clay mixed with a combustible material like sawdust or rice husks.
Once it has been soaked pour the water to be filtered in and place the pot over something such that it can drip out of the bottom.
Water poured into a ceramic pot filter percolates through the pot material and is collected in a second container.