How Do Pool Filters Work

Pool filters are an absolute necessity for anyone who owns a pool

. It keeps the water clean and ensures its fit to be used. Now let's get to know how the different filters work. Sand filters include a huge tank, which is crafted out of metal, concrete or fiberglass. It has a square shaped bed which consists of a thick layer of special-grade sand. While the filtering process is on, the pool's dirty water gets in through the inlet pipe of the filter, which gets into the water distribution unit within the tank. Due to gravity, the sand pulls down the water, and any debris or dirt is held on by the tiny sand particles.

The filtered water gradually flows out of the outlet pipe. With passage of time, the dirt accumulated in the sand slows down the flow of water. With the help of the pressure gauge you get aware of the blockage and realize its time for backwashing the filter. The other type of pool filter very commonly used is the cartridge filter or a diatomaceous earth filter (D. E. Filter). In the D.E. filter the pool water goes through filter grids that have a coat of diatomaceous earth. In the cartridge filter, dirty water flows through a filter that is crafted out of corrugated paper or polyester cloth.

When these types of pool filter required to be cleaned, you don't need to backwash it, rather take the filter out and hose it off. After few years, you would need to remove the old filter and replace it with a new one. The filter that you would choose for your pool depends highly on your requirement, most importantly on the size of the pool that you have. It is very important that you take care of these filters and remember that these pool filters to keep serving you properly need to be backwashed and cleaned regularly.

Just owning a beautiful pool is not enough, you cannot neglect the responsibility of keeping it clean always, even when the pool is not in use. The pool filters need to keep working, even if you do not plan to take a dip for a long time, as it ensures that the water is healthy and safe. Before selecting a filter for your pool, you may surf the net to know about the various companies that offer you the same, so that you can chose the best at the best price.

by: david geo

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