Swimming Pool Sand

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swimming pool sand

Sand filters for swimming pools help clean the entire pool of water. There are large particles of dirt, even those that are invisible to the human eye. It all depends on the type of filter you choose for your pool. When choosing a filter, keep in mind that there should be time to allow the entire volume of water to pass through itself 2-3 times a day.

It’s not difficult to guess that cleaning with sand filters for swimming pools, is carried out with sand. The water passes through the special quartz sand and leaves the smallest particles of dirt in it. Multi-level cleaning is also used, for example, after sanding, water passes through the gravel. The filter device is simple, so it can be assembled. This filter is unique due to its low price and small dimensions, which makes it ideal for purifying a private pool.

 Do you need to know how water is cleaned in swimming pools? 

There are two main types of treatments: mechanical (percolation) and biological (disinfection).

Mechanical water purification in the swimming pool allows you to do mechanical cleaning by liberating water from sand, dust, debris, particles of skin, hair, and many other organic and inorganic materials. To get rid of a group of heavy impurities deposited in the bottom and walls of the bowl, it must be applied with underwater vacuum cleaners.

Filters come in several types. The most popular – hourglass and membrane, the highest quality – diatomite. Sand filters is the oldest and still the most reliable and inexpensive mechanical cleaning system. Sand filters are a hermetically sealed chamber with a filler. For the most part it is silica sand with grains ranging in size from 0.3 mm to 2.5 mm, in some cases with the addition of gravel particles or activated carbon. Sand retains any pollution, so sand filters need regular washing. Membrane filters are often equipped with one or more filters. Porous polypropylene membranes are placed in a special cartridge. Each diaphragm has its own operating range and, accordingly, its pore size (for swimming pools usually from 0.006 mm to 0.015 mm).

Diatomite filters, light rock, light gray, or yellow, consisting mainly of rocky protrusions of diatoms and clay minerals. The fine micro-structure (with pores from 0.003mm to 0.0005mm) provides excellent adsorption capacity. Diatomite gives the highest degree of purity of water (these filters are used to clean wines, beers and juices). It is chemically inert, although according to some reports, homeopathic doses of silicon dioxide from it still get into the water. But such an effect is only to our advantage – silicone water possesses a general strengthening effect. Diatomite insecticides are also noted (with no absolute toxicity to humans). This type of filter is widely used in swimming pools.