Are you filtering?

Health Tips

If you are going to nature, to your own dacha or to visit rural relatives, among other vital purchases, add a water filter to your list of necessary things. After all, most of the “summer surprises” that spoil a vacation and even sometimes make you spend the rest of it in a hospital bed arise precisely because of dirty water. So, we must make every effort to protect ourselves and our loved ones from its unpleasant consequences.

However, filters can protect you not only from harmful bacteria and microorganisms, with which the waters in wells, springs and other summer watering places are teeming, but also from invisible enemies – heavy metals and chlorine. Or they can completely turn a cloudy and odorous liquid into completely safe water, which, after boiling, can be safely used for drinking and cooking. True, universal filters that protect against everything and everything have not yet been invented. Therefore, it will depend on your successful choice: whether the filter you bought will become a real protector of your family’s health or useless ballast in the trunk of a car.

The fact is that all devices for purifying drinking water have a certain specialization. Some of them purify water from dirt, others from unpleasant odors, and others from harmful organic compounds and pathogenic bacteria. So, for example, in membrane filter it all depends on the size of the holes, the so-called pores. A large pore membrane retains only sand and rust particles that can get from the water supply with old pipes.

A medium pore membrane filter is for those who love rainwater. Of course, it looks and tastes clean and pleasant, but while the raindrops flew through the air masses, they cleaned them of impurities and collected them in themselves. So, a liter of rain water collects impurities that were previously contained in three thousand liters of air. Imagine how much nasty things can get into your body along with this super-healthy rainwater? Therefore, even if you are just going to wash your hair with rainwater, be sure to filter it – after all, it is not known which and how many chemical plants the rain cloud visited before spilling over your environmentally friendly dacha. In addition, a medium pore membrane filter purifies water from chlorine compounds, oil products and phenols.

The smallest membrane allows only water molecules to pass through. However, you should not think that this is very good. After all, salts and minerals that are useful and necessary for our body cannot pass through the microscopic pores of the filter either. And it turns out, as in the old saying, the child was thrown out along with the water. Together with harmful impurities, we destroy the beneficial ones that our body needs. In addition, sterile water is almost as harmful as dirty water, since it flushes out the necessary salts from the body, and does not supply new ones instead. And if you drink it, then no more than three glasses a day. But such water is just perfect for taking baths, washing your hair, medical procedures and washing.

There are quite popular and simple methods of water purification. For example, the filtration (absorbing) properties of coal have long been known. It is on them that the principles of operation of carbon filters are based. They purify water well, primarily from organic compounds and chlorine, but coal is powerless against bacteria and heavy metals.

Dealing with them successfully iodine filter. It is useful for those who use stagnant water, oversaturated with microorganisms, while camping. However, iodine compounds eventually get into the water that has passed through such a filter. And they, as you know, benefit only those who have problems with the thyroid gland, and even then with the appropriate recommendations of the attending physician. However, according to statistics, residents of most regions of Russia are deficient in iodine. In any case, if you are forced to use an iodine filter, refrain from iodized salt and bread, and it is better to boil the filtered water afterward.

Electrochemical filter copes well with bacteria, but is powerless in the fight against organic compounds and heavy metals. There is another danger: copper and zinc that enter the water from electrical contacts can even cause poisoning (especially in children).

Cleaning device that uses marble dust filter, does not give side effects, but is effective only against heavy metals. If your faucet is running water “rich” in organic compounds and bacteria, or you are using water from natural reservoirs, then such a filter is absolutely useless. Well, unless it gives you some psychological confidence.

But scientific thought does not stand still. And so the so-called combined filters: carbon-iodine, membrane-coal and so on. Such devices purify water much more efficiently, however, their cost is higher than that of “single” ones.

Now it is clear that the filter can be chosen only by clearly knowing the composition of the water in your plumbing or garden plot. And if you don’t want your health to suffer from the imaginary protection of the “wrong” filter, try contacting the local sanitary and epidemiological service, presenting them with water samples and getting your hands on the results of its analysis. After that, the choice of a device for purifying your water will be extremely simplified.

Of course, this cannot be done in the field on the shore of a little-known reservoir. But, firstly, in little-known reservoirs it is generally not recommended to take water for drinking and cooking. The best option is to carry water in plastic bottles with you. And, secondly, when choosing a filter, it is worth stopping at one of those that have a wide, relatively universal way of influencing. By the way, when taking a water filter on a trip, immediately add a couple of removable spare cassettes to it: the speed with which the filters become clogged from contact with “natural” water is simply lightning fast.

But how can drinking water of dubious content be safe if there is no filter at hand. Boil it, cool it and pour juice of sour berries into it – cranberries, lingonberries, sea buckthorn, raspberries, rose hips, black currants or even apple peels. Let the water soak for a short time on these natural antioxidants, and it will be ready to drink.

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