Video

Pouring the Filter with Wet and Dry Concrete Mixes Video

Part of a video series on how to build a biosand filter (BSF). It shows the pitfalls of using too wet and too dry concrete mixtures when pouring a BSF concrete filter body.

  • Language:

    English

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About CAWST

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.