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What water to drink?
|/img >/img src="//images/stories/tip/miscellaneous/water-choice-1.jpg" alt="What water to drink?" align=left title="Какую воду пить?" /> "Water is life" - with this approval by a sign everyone. It is valid, difficult to overestimate value of water for all live on the planet and, of course, for the person. However often quality of water which we drink, leaves much to be desired. What water can be drunk?|
Water – the best natural solvent and in it there are all the biochemical processes, vital for the person. According to physicians, for preservation of optimum water balance in an organism, the average adult needs to drink 1,5-2 l of liquid a day.
We receive a certain part of this norm together with food, and the rest – together with water in pure form. However whether it is valid in the pure?
Today we can choose, what water to use: water or bottled, water from the pump room or a well. But in each of options there are both pluses, and minuses.
Tap water. In spite of the fact that tap water in big cities has an unpleasant smell and smack of chlorine, actually it – practically the safest option. After all the condition of water is watched by a set of various services, such as sanitary and epidemic station or Gospotrebstandart. Water literally is hourly checked for compliance more than to 80 indicators (on the European norm).
Thus, the water at station of a water intake which passed cleaning and disinfecting really pure and suitable for the use. However after travel on multikilometer water communications which often are in an emergency state, water becomes soiled again. Strong chlorination is necessary just in order that water was not exposed to repeated infection. It is possible to get rid of a chloric smell by means of boiling of tap water and the subsequent its upholding.
Home filters of kuvshinny type, as a rule, coal, also help to solve a problem of chloric smack and at the same time in addition clear water of mechanical impurity. Such filters are available and convenient – it is necessary to replace a cartridge only in time. However they cannot clear water of various pathogenic microorganisms therefore they cannot be applied to purification not of tap water.
Water comes to the pump room from an artesian well. The artesian water-bearing horizons lie between two waterproof layers and are reliably protected from superficial pollution. However non-compliance with sanitary standards when using of the pump room conducts to pollution and infection of water. That water from the pump room was suitable for the use, behind a condition of the pump room the most strict control has to be established.
Water from a well or a spring can be very hazardous to health. It can be polluted by the pesticides, compounds of nitrogen or sulfur containing in an atmospheric precipitation, is infected with pathogenic bacteria. Even boiling of such water can not solve a pollution problem.
Bottled water is advertized as the purest and safe now. However due to the lack of the legislative base regulating production of bottled water, the producer can spill any water which corresponds on norms to tap water in bottles. Therefore there are no guarantees that water in a bottle is not the same water from under the crane...
Upon purchase of bottled water it is necessary to pay surely attention to a source from which this water spreads. Only water from deep wells can be pure – such water does not need to be subjected to additional cleaning. Therefore if the producer of bottled water does not specify a place of spill of water and depth of a well on a label, it is better not to risk health and not to buy such water.
Separate article of bottled waters are mineral waters. Mineral water can be both natural, and artificial. Artificial mineral waters pass cleaning, and later are enriched with mineral salts and carbon dioxide. It is better to use natural mineral water which is sated with minerals in the natural way.
It is necessary to remember that mineral waters happen dining rooms (the content of salts <1 г/литр), лечебно-столовыми (содержание солей 1-10 г/литр) и лечебными (содержание солей >of 10 g/litre). It is possible to use in unlimited number only table mineral water, and medical and dining rooms and medicinal waters should be drunk only according to doctor's instructions.
Regardless of that, we use tap water or bottled, it is necessary to remember that it is necessary to drink only fresh water. "Crude" water can remain is up to 3 days fresher then it needs to be boiled. Water can be stored 3-18 months from the date of flood in the sealed plastic bottle, in glass – till 24 months.
It is necessary to store water correctly, without allowing its pozeleneniye. Emergence of a greenish shade or green deposits on walls of a bottle testifies to rapid development of blue-green seaweed in water – such water is not suitable for the use.
To prevent pozeleneny waters it is impossible to leave a bottle with water on the sun, after all under the influence of sunshine there is an active reproduction of blue-green seaweed.
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