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Why UV could be a better Sanitizer for Swimming Pools?
- UV-C
light is a very powerful germicide. It deactivates and renders harmless
waterborne pathogens that are completely unaffected by chlorine based
disinfectants. Examples of dangerous pathogens (viruses and cysts) neutralized
by UV-C light are Cryptosporidium parvum and Giardia lamblia; chlorine will not
affect these. UV-C is effective against all microorganisms for
example also the Pseudomonas, papillomavirus and e-coli. A secondary disinfectant must be added to
the water to ensure that the water actually in the swimming pool is disinfectant as well
as disinfected. The most commonly used secondary disinfectants are chlorine
based chemicals.
- UV-C
kills destroys the chloramines (The smell of pool water changes to better. This
is because of the lack of chloramines in
the swimming pool). As a by-product of the disinfection process, chlorine
combines with bathers’ body fluids in the pool water and form chloramines.
Chloramines are unpleasant substances that cause eye, skin and nose irritation,
breathing difficulties in young children, an unpleasant smell and last but not
least, damage to tiles, grouts, handrails and other fittings. UV light destroys chloramines, thus
reducing or even practically eliminating the undesirable side effects mentioned
above of the use of chlorine based disinfectants.
- Because
UV-C disinfects the water, you don’t need chlorine to disinfect the water, you
only need chlorines to make it disinfectant. This makes sure you are able to
decrease the amount of chlorine to a max of 80% (depending on the type of
pool). Chlorine increases the PH value, Less chlorine means less increase of
PH. This means you also need less PH or another acid. Less acid makes sure the bicarbonate level is
longer stable and needs less corrections.
When it’s a saltwater pool, less Chlorine means less salt. You also need
less shock. UV-C kills the bad chloramines, this means you’ll need
to do less maintenance to the swimming pool due to chloramines. This decreases the
maintenance costs.
- UV-C
is effective against all microorganisms.
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