Video
Pour a Concrete Biosand Filter (BSF)
Part of a video series on how to build a biosand filter (BSF). It shows step by step how to pour the concrete into the mold to avoid air pockets and to eliminate cracks between the concrete layers.
Video
Pour a Concrete Biosand Filter (BSF)
Part of a video series on how to build a biosand filter (BSF). It shows step by step how to pour the concrete into the mold to avoid air pockets and to eliminate cracks between the concrete layers.
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