Part of a video series on how to build a biosand filter (BSF). It outlines how to correctly mix the concrete before pouring the BSF body. It includes tips and tricks to get the right concrete consistency to get a strong filter body with a smooth, even surface.
Part of a video series on how to build a biosand filter (BSF). It outlines how to correctly mix the concrete before pouring the BSF body. It includes tips and tricks to get the right concrete consistency to get a strong filter body with a smooth, even surface.
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