Whether our pool is indoor or outdoor, whether we use it or not, the pool water is constantly changing from external additives, from additives during use, from the growth of microorganisms but also from the addition of chemicals for its maintenance.

The water we add to replenish what evaporates or is lost or consumed when washing the filters, the wind, the rain, the users entering the pool carry new materials that dissolve or remain insoluble in water.

Swimmers, in addition to the substances they carry at the entrance, burden the pool water with sweat and urine that contain, among others, amino acids, creatine, ammonia, urine. The greater the use of the pool, the greater its burden.

These organic compounds are also the food for the growth of microorganisms.

The conditions in the pool water favor the growth of microorganisms, many of which are pathogenic, such as coliforms, pseudomonas, legionella, cryptospores, amoebae. These organisms form colonies on the pool surfaces (walls, piping, filtration materials).

The increase in temperature triggers it and the organic compounds feed the bacterial multiplication at rates of millions of times per day.

The addition of chemicals made to fight the growth of microorganisms, leaves residues that accumulate in the water. Improper use can lead to the production of toxic compounds, which are often perceived as irritation, characteristic odor, etc.

The healthy and clear water in the pool requires an installation that can successfully deal with continuous pollution and microbial growth, without the creation of toxic substances.

Conventional water treatment tries to counteract bacterial growth with high doses of chlorine, UV or ozone. But the growth of bacteria and other pathogenic microorganisms is a biological problem and therefore needs a biological solution.

Our proposals implement a biological approach to pool water treatment that leads to a reduction in the use of chemicals and operating costs.

Important elements in this design stand out:

• the avoidance of dead areas with the proper design of the hydraulic networks
• the constant movement of water to be filtered and oxygenated. Immobility leads to putrefaction. Each of us knows this and would not choose stagnant water, but running to swim.

The purpose of filtration is to retain and remove as much organic and inorganic substances as possible that end up in the pool water. Less organic matter means less food for germs and less need for oxidation and use of chemicals.

Filtration is the basis of the design for biological treatment of pool water and its quality should be as good as possible. It is a whole process, the success of which depends on the choice of the filter (size, internal construction), the filtration material, the pump, the water supply, the flocculants, the operating program.

We want the pool water to have a sterilizing capacity, so that it can immediately deal with any source of contamination. This role is played by the chemical compounds that are transported by the pool water to each point.

The chemical compounds are either ready in solid or liquid form, or are produced on site (production of chlorine by electrolysis, production of ozone, etc.). Their dosage must be done with precise dosing and constant control.

The choice of chemicals should be made by specialized staff.

With the use of ultraviolet (UV) devices the water is sterilized without the addition of chemicals. This allows for a drastic reduction in the use of chlorine. Chloramines are also broken down, which is very necessary in indoor pools.

The optimal operating result required to maintain healthy water and the environment in the pool can only be ensured by monitoring everywhere and continuously.

Control in the flow of filtration and washing water of the filter, in the dosing of chemicals, in the temperature and depth of water, in the temperature and humidity of the air, in the good operation of the mechanical equipment, in the good operation of the electrical installation.