For effective removal
of sediment in a water supply system.
Sediment (or grit
and turbidity) in your water supply may cause
problems when it settles in tanks, or plugs pipes
and fittings.
Multimedia sand
filters consist of two or more layers of different
granular materials, with different densities.
Usually, anthracite coal, sand, and gravel are
used. The different layers combined may provide
more versatile collection than a single sand layer.
Because of the differences in densities, the layers
stay neatly separated, even after backwashing.
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