Whichever technique used for water treatment without product, the more effective and the more used in the world is the electrolyse salt.

This technique displaying a lot of avantage:

- She is economical and ecologic.
- You don't need of chimical product.(Chlorine, anti-algue, floculant,etc...)
- She transform water healthy and limpid.
- No eyes irritation, allergy, skin drying out, smell, hair bleatching and swimming trunks fading.
- no more chore handling of chimicals product, no more worry of maintenance.

One time install in your network filtration, it will produce hypochlorite of sodium(natural active chlorine) by électrolyse of salt than you'll have diluted in the water of the swimming pool(0.4% of salt let 10 times less than in the water of sea).
This natural active chlorine after to have destroyed the bacterium and micro-organism of your water will move naturally in salt under the action of the UV of the sun. it will be not necessary to add salt.

The Ph of the water is his acidity rate.
This acidity rate must be kept between 7.1 and 7.4 for to allow a maximal efficacy of the disinfectant.
So, the Ph of the water kept between 7.1 anr 7.4 will reduce considérably the quantity of disinfectant necessary to his maintenance,the sediment of chalky and the damage of their equipments.
The Ph of water is binded to her hardness. More the water is chalky more his Ph is high(7.8 and more)
Generally speaking, you'll must regulary to low the Ph of a chalky water with (PH-) or (PH minus) and it for the reasons already quoted.
Generally speaking, in spit of the corrections made with (PH+) or (PH-) the water will have always tendency to want come back to her initial value and this more or less quickly according to temperature ( more the water is hot more fast the Ph rise).
it existing two process (the more selt) which allow to regulate the Ph :

- If your water is chalky(Ph>7.6), you'll must only to do low his Ph according to his temperature ( PHNETT or MAXINETT).
- If your water is basic (Ph<7.2), you'll must to regulate more precisly his Ph (more unstable) to use a capteur of Ph( AUTO-PHNETT ).

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