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Chlorine in swimming pools – is it safe?

Chlorine in swimming pools – is it safe?
25 Oct 2019 0 Comments 0 Trackbacks Monica Odysseos

 

Hygiene of swimming pools is critical as contamination brought into pools by swimmers carries biological and chemical health risks. In order to preserve the beneficial aspects of a swimming pool, the water must be effectively disinfected to prevent outbreaks of infectious illnesses.

Chlorine chemistry is the most common disinfection practice that helps fight germs to keep the pool water sanitised by inactivation of microbial pathogens. Chlorination involves the addition of chlorine in forms of chlorine (Cl2) gas, calcium hypochlorite (Ca(ClO)2) tablets, or sodium hypochlorite (NaClO) solution.

 

According to the Superior Health Council of Belgium, “there is no evidence that alternatives to chlorine will provide an appropriate solution for the disinfection of swimming pools”, therefore supporting that chlorine is the best disinfectant currently available.

 

The most common questions we are receiving are answered below:

What is chlorine?

Chlorine is a naturally-occurring chemical element produced from ordinary salt by a process called electrolysis. Electrolysis is a process whereby electric current is passed through a solution of brine (common salt dissolved in water).


Why is chlorine added to swimming pools?


Chlorine destroys disease-causing germs and helps to make water safe to drink. Chlorine is added to the water to kill germs. When it is added to a swimming pool, it forms a weak acid called hypochlorous acid that kills bacteria like salmonella and E. coli, as well as germs that cause viruses such as diarrhea and swimmer’s ear.


When my eyes get reddened or irritated does the mean there is too much chlorine in the pool?


No, when pool water is irritating, that is typically a sign that there is not enough chlorine in swimming pool water!


What about salt-water pools?


Both salt-water and chlorinated pools actually use chlorine. Salt-water pools are chlorinated pools in which the chlorine is generated on site from sodium chloride.


How often should chlorine be added to my swimming pool?

To keep a pool, hot tub or spa safe, the water must be tested on a daily basis for sanitiser levels, pH, total alkalinity, and calcium hardness, especially when it is being used a lot. It is important to always maintain proper water balance in all types of pools and spas.

So, conclusively, Microorganisms like bacteria and viruses can live in swimming pool and spa water. Even clear water can have microorganisms in it. Maintaining proper water balance with sanitisers reduces the numbers of microorganisms to safe levels.

To keep swimmers and bathers safe, you must test your water balance daily for sanitiser levels, pH, total alkalinity, and calcium hardness. Water testing can be done using good quality test kits available in store, or as part of your maintenance package with us.

To book an appointment please contact us at 22 571300.

 

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