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Swimming pool filtration

The right combination of filter and pump is important for an optimal filtration of the swimming pool water.
Keep the water clean
A good filtration system is important to keep the water clean and properly distribute the chemicals. The most popular filtration system is the sand filter unit (sand filter with pump).

All sand filters have to contain a filtration medium: sand, silicate or diatomaceous earth. The swimming pool pump pumps the water to the sand filter. In the sand filter insects, leaves and other impurities remain on the filter medium. The purified water is returned to the pool.