Biosand Filter Sand - Mini Sieve Set Fabrication Instructions
This document describes how to construct a mini sand sieve set. The sieve set is used to do a sand grain size analysis, which helps you select sand from a supplier to use as filtration sand inside biosand filters.
Biosand Filter Sand - Mini Sieve Set Fabrication Instructions
This document describes how to construct a mini sand sieve set. The sieve set is used to do a sand grain size analysis, which helps you select sand from a supplier to use as filtration sand inside biosand filters.
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CAWST 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.