To obtain a pleasant water to the bath, of crystalline aspect, it is necessary, in any type of swimming pool, to submit it to a filtration process. Water, being outdoors, is subject to constant contamination. This pollution comes mainly from microorganisms that are in the air itself and those that come from bathers. In addition, the increase in temperatures that occur in the summer, facilitates the formation of lives. For all this it is essential to carry out a good maintenance and cleaning of the water.

There are different types of pool filters:

Sand filters, the most popular since they require little maintenance and offer good quality;
Cartridge filters, with replaceable cartridges annually and ideal for removable pools;
Diatomaceous filters, the most expensive option due to its filtering power, containing all types of dirt, including microscopic and impossible to capture by the human eye.