Part 1 of a video series on how to build a biosand filter (BSF). It demonstrates how to sieve and sort gravel and sand to maintain consistent quality during construction of a BSF.
Part 1 of a video series on how to build a biosand filter (BSF). It demonstrates how to sieve and sort gravel and sand to maintain consistent quality during construction of a BSF.
English
Can’t find what you need? Have more questions about a topic? Need advice on how to use a resource? Chat with a CAWST advisor.
Contact usCAWST is a Canadian charity and licensed engineering firm. We address the global need for safe drinking water and sanitation by building local knowledge and skills on household solutions people can implement themselves.