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Composition of sea water

To find out why salty sea, it is necessary to understand the composition sea ​​water. It contains almost the entire periodic table. The liquid is saturated with iodine, fluorine, bromine.

But the basis of the composition is chlorine and sodium. Sodium chloride is ordinary salt. This is what makes the water salty.

But such a solution brings great benefits to the skin. Through them, salty water has a beneficial effect on the human body as a whole.

Where does salt come from in the sea?

Why is the water in the sea salty?

Conclusion

Thus, sea water is salty due to several factors. All hypotheses are scientifically substantiated and true. And although fresh rivers flow into the seas, this does not in any way reduce their salinity level. Its degree depends on several factors. Depth is key and temperature. The Baltic Sea is considered the least saline, and the Red Sea has the highest degree of salinity.

Almost everyone knows from childhood that drinking sea water is strictly prohibited. Many people still don’t understand why exactly – it’s impossible and that’s okay. I used to even wonder how one could suffer from thirst at sea - well, okay, you can’t drink a lot, but taking a sip like that to quench your thirst, what’s the problem?

But even on the hottest day on the beach, no one would even think of taking a couple of sips straight from the sea. Unfortunately, the measured pace of human existence is often interrupted by completely unforeseen events. After a shipwreck, for example, even in the last century, survivors dared to drink sea water because they were not aware of the dire consequences of such a risky act. Here, by the way, interesting story about how they wandered the sea for almost two months and became more famous than the Beatles.

So why should you not drink sea water and what can happen if you do have to?

Salt

Just a liter of sea water contains 40-50 grams of salt. A person needs only 15 grams per day, that is, almost four times less. Such a serious overdose will definitely cause unpleasant consequences.


Kidney problems

It is absolutely impossible to quench your thirst with sea water. Salt is removed from the body by the kidneys, which after such a cocktail will be forced to work at maximum capacity. A heavy load for a long time will cause a failure in the system - the kidneys are simply not designed for such rush jobs.

Dehydration

In addition, the whole body will be involved in working on the problem. To quickly get rid of excess calcium, magnesium and potassium salts, he needs to dissolve them in fresh water - and this cannot be obtained from the outside. The body begins to take fluid from the intercellular space of tissues, which leads to rapid dehydration. Deprived of recharge internal organs They start to fail one by one.

Metallic taste

Sea water is known for its very high content of nutrients: chlorides, sulfates and metals. To remove all this nasty stuff, the body again needs missing fresh water. Metals settle in cells, gradually poisoning the body.

Laxative

Let's not forget about sodium sulfate, which is extremely rich in salty sea water. It has the charming ability to have a strong laxative effect on a person. As a result, dehydration occurs much faster.

Let's take a closer look at a drop of sea water under a microscope

Clickable 3000 px

This is a drop of sea water under a microscope. Now let’s take a closer look at what’s in it...

Here is its graphical representation:

And now in more detail:

IN Everyday life a person constantly deals with fresh water— there are practically no foreign impurities in it.

The water of the seas and oceans is another matter - it is more of a very strong brine than water. A liter of sea water contains on average 35 grams of various salts:

27.2 g table salt
3.8 g magnesium chloride
1.7 g magnesium sulfate
1.3 g potassium sulfate
0.8 g calcium sulfate

Table salt makes water salty, magnesium sulfate and magnesium chloride give it a bitter taste. Taken together, salts make up about 99.5% of all substances that are dissolved in the waters of the world's oceans.

Other elements account for only half a percent. 3/4 of the total amount of table salt in the world is extracted from sea water.

Academician A. Vinogradov proved that in sea water you can find everything known today chemical elements. Of course, it is not the elements themselves that are dissolved in water, but their chemical compounds.

sources

From time to time we come across some questions related to our planet that have not yet been answered. For example, the presence of salt in ocean water. How did she get there?

The scientific basis for the appearance of salt water in the sea was laid by the work of Edmund Halley in 1715. He suggested that salt and other minerals were washed out of the soil and carried to the sea by rivers. Having reached the ocean, the salts remained and gradually concentrated. Halley noted that most lakes that do not have a water connection with the oceans have salt water.

Halley's theory is partly correct. In addition, it should be mentioned that sodium compounds were washed out from the ocean floor for early stages their formation. The presence of another salt element, chlorine, is explained by its release (as of hydrochloric acid) from the bowels of the Earth during volcanic eruptions. Sodium and chlorine ions gradually became the main components of the salt composition of sea water.

But we don't know if this can explain the presence of SUCH a huge amount of salt in the oceans. If all the oceans were dried up, the remaining salt could be used to build a wall 230 km high and almost 2 km thick. Such a wall could circle the entire globe along the equator.

Or another comparison. The salt of all the dried up oceans is 15 times larger in volume than the entire European continent!

The regular salt we use every day is obtained from seawater, salt springs, or from mining rock salt deposits. Sea water contains 3-3.5% salt. Inland seas, such as the Mediterranean Sea, Red Sea, contain more salt than open seas. The Dead Sea, occupying only 728 square meters. km., contains approximately 10,523,000,000 tons of salt. There is so much salt in it that it is almost impossible to drown in such water, since the density of the water has increased due to the salts.

On average, a liter of sea water contains about 30 g of salt. Rock salt deposits in various parts the lands were formed many millions of years ago as a result of the evaporation of sea water. To form rock salt, nine-tenths of the volume of sea water must evaporate; It is believed that inland seas were located on the site of modern deposits of this salt. They evaporated faster than new sea water came in - so rock salt deposits appeared.

The main amount of table salt is obtained from rock salt. Usually, mines are laid to salt deposits. Clean water is pumped through the pipes, which dissolves the salt. Through the second pipe this solution rises to the surface.

In Hong Kong, seawater is widely used in toilet flush systems. More than 90% of them use sea water for flushing in order to save fresh water. This practice began in the 1960s and 1970s, when mining fresh water became an embarrassment for the inhabitants of the former British colony.

Sea water can be drunk in small quantities for 5-7 days without harm to health.

Hello friends!!

Many of us strive to spend a long-awaited vacation on the seaside, and do this precisely for the purpose of healing, increasing immunity with the help of warmth, sun and, of course, sea water.

But why is sea water so beneficial?

But there are a lot of salt lakes all over the planet, but people go to the sea.

Let's get acquainted with the abilities of healing water, reveal its secrets, study the features of health procedures, and also learn how to do it yourself at home.

From this article you will learn:

Does sea water have healing properties for human health?

What is sea water - its physical properties and composition

Today, sea water treatment is called thalassotherapy, but even before such fashionable terms appeared, its abilities were known and widely used by people.

Even the famous Hippocrates prescribed marine procedures to his patients. But over time they forgot about it.

The amazing power of sea water became popular again in the 18th century in Germany.

Then, regardless of the complaint, the patient received a ticket to the sea and, what was most surprising, there was almost always a significant improvement in health.

Sometimes they say about harmful foods that they contain the entire periodic table. They also talk about sea water, but only in this case the meaning is exclusively positive. The minerals it contains are in ionized form. This is precisely what explains the alkalizing effect it has on the body, because there are already more than enough oxidizing agents that destroy the body’s cells.

The positive effect of sea water on the body is explained by the content in it:

  1. sodium chloride, which helps normalize the acid-base balance in the body, rejuvenates and strengthens the skin;
  2. calcium, which prevents depression, fights negative moods, and also improves blood clotting, restores the condition of connective tissues, destroys infections and harmful bacteria;
  3. magnesium, which copes well with swelling, has a relaxing effect on muscles, helps normalize metabolism, and prevents the development of allergies;
  4. potassium, which cleanses cells and ensures they receive enough nutrients;
  5. chlorine, which is involved in important processes such as the formation of blood plasma and gastric juice.

Noteworthy is iodine, which rejuvenates cells and regulates cholesterol levels in the blood; chlorine, which is great for calming; sulfur, which destroys fungi and generally has a positive effect on health; zinc, which prevents the development of cancerous tumors, as well as manganese, copper, iron and other substances, thanks to which sea water has a truly magical effect on the body of any person.

It is important! Sea water is very similar in composition to human plasma. Perhaps this is what explains its positive effect on the body.

How is sea water useful and for what diseases is it useful?

Sea water treatment is very effective, beneficial and pleasant.

You just need to plunge into it and relax.

In just a couple of minutes, tension will begin to go away, pain will decrease, the skin and muscles will receive tone and additional energy, the heart rate will return to normal, and changes in blood and intracranial pressure will no longer bother you.

Sea bathing is indispensable in the treatment of wounds and bruises, fungal diseases, exhaustion, gout, colitis, hemorrhoids, constipation, osteochondrosis, arthritis, colds, dental and gynecological problems.

Note! Sea water is one of the best remedies against toxic poisoning, including those caused by excessive alcohol consumption.

For the fair sex, the ability of sea water to combat cellulite is very valuable.

It is indispensable for the skin, perfectly cleanses it cellular level, increases elasticity, removes toxins and waste from the body. There is also a significant strengthening of nails, improved hair growth, elimination of fine wrinkles, etc.

Even professional cosmetologists admit that just half an hour of bathing replaces a full-fledged SPA session.

The role of the massage therapist is performed by waves that gently knead the muscles, stimulate the regeneration of tissues and vessel walls, and cause blood flow to the internal organs.

Each bath is equal to a professional hydromassage session. Literally immediately the muscles begin to tighten, the body spends energy much more actively, which means that excess calories are lost faster and without any difficulty at all.

Yes, yes, and this despite the fact that you can just lie in the water and do nothing!

Alas, not everything is as good as it might seem at first glance. All of the above abilities of sea water simply cannot be preserved in it if over an area of ​​several square meters A couple of dozen people are swimming at once.

It should also be taken into account that sea water is different.

There is a lot of water on the globe, but not all of it is useful.

Which sea is useful?

Let's say right away that swimming in any sea water is useful, unless it is contaminated with toxins and various harmful substances. But at the same time, each sea has its own characteristics.

  • Black Sea

This sea has always been and remains the best in terms of treating diseases of the bronchi and lungs.

Few people know, but even Anton Chekhov, who was not only a great Russian writer, but also a doctor by training, regularly traveled to Yalta, and described in his memoirs amazing effect sea ​​water and air filled with the aromas of salts and pine trees.

The healing abilities of the Black Sea water are explained by the combination of a moderate amount of salt, an abundance of oxygen, hydrogen sulfide and a huge number of negatively charged ions, which, by the way, are what pine waters saturate it with.

  • Sea of ​​Azov

Few people will believe it, but this sea is considered one of the most useful in the world. As many as 92 elements of the periodic table are present in its water.

The main active ingredients are iodine, bromine and hydrogen sulfide. Main positive influence carried out on metabolism.

And the fact that there are steppes around the sea explains why it is so easy for those suffering from pulmonary diseases to breathe here.

The healing abilities of mud should also be noted. The muddy bottom, which some vacationers cannot stand, brings enormous benefits to the body.

It is the silt that contains unique substances and microelements that make the sea an amazing natural clinic.

You can use it to make masks for the nose, which will help get rid of sinusitis, and for the throat, which have a positive effect on the condition of the adenoids and lymph nodes.

Also, applying silt to the skin replaces any cosmetic procedure, perfectly cleanses and tightens it.

Note! The healing abilities of the Azov Sea increase significantly before the onset of a storm and immediately after it.

  • Baltic Sea

This sea has a fairly cool water temperature.

There are many pine forests around, which supply phytoncide and negative ions into the air.

Also maritime procedures - great way hardening

Cool water, saturated with beneficial microelements, makes the body more resistant to colds and infections.

  • Dead Sea

It is simply impossible to drown in this sea due to the huge amount of salts.

But this water also contains a lot of healing mud and useful microelements (primarily bromine, iron, potassium, manganese, chlorides, sulfates and fluorides).

Few people go to the Dead Sea to relax; mainly those who need to improve their health come here.

Its water stimulates blood circulation, activates metabolic processes, soothes and relaxes.

It also helps those suffering from skin diseases such as eczema, psoriasis, dermatitis, etc. It also perfectly treats joints, effectively showing itself in the fight against arthritis, arthrosis, rheumatism, etc.

  • Mediterranean Sea

The Mediterranean climate is indicated for those suffering from pulmonary diseases. Mediterranean water is somewhat similar in its effect to the water of the Black Sea.

If you suffer from asthma, bronchitis, pneumonia, as well as vegetative-vascular dystonia, better than a doctor, than the Mediterranean Sea cannot be found.

  • Red sea

The special composition of this water is provided by algae and unique coral reefs.

Bathing in it stimulates metabolism, activates blood flow, and disperses lymph congestion. Just a couple of days and the skin becomes more youthful and elastic, swelling goes away,...

The fair sex really likes the effect of this sea water. Losing weight is so pleasant and in a simple way Not one woman will refuse.

And in addition to the rapid loss of extra pounds, there is also a general improvement in health and appearance.

It also has a positive effect on the bronchi and lungs.

But those suffering from heart and vascular diseases are not recommended to visit these resorts. Due to high air temperatures and large amounts of salts, health may deteriorate.

Note! For the purpose of prevention, vacation at sea should be at least 10-14 days, and if there is a need for treatment - at least 1-1.5 months. Moreover, it is not the bathing itself that is important, but its combination with healing air.

How to properly use the power of sea water?

It would seem that it could be simpler, plunge into the healing water and swim for as long as you want. But in reality this is far from the case.

You can get the benefits of bathing only by following the following rules:

  1. at least 1.5-2 hours should pass after eating;
  2. You should not take a dip while hot and sweaty;
  3. upon arriving at the resort, swim no more than once a day, after which you can increase the amount to 2-4 times;
  4. at least half an hour should pass between bathing;
  5. if trembling or blue skin appears, the procedure must be interrupted immediately;
  6. do not rush to wash off the sea water in the shower, give it time to absorb;
  7. For additional effect, use sea water douches or do foot baths.

Is it possible to prepare sea water at home?

Sea water is used to treat and prevent many health problems, and also as a reliable cosmetic product.

It can be bought at the pharmacy (aerosol or spray with sea water), can be purchased at large quantities from suppliers. But the first option is only suitable for treatment, and the second is not always available.

It is unrealistic to bring a sufficient amount with you from the resort, and there is no point in doing so. Over time, the water will simply lose its properties.

So what to do? There is an exit.

Sea water is prepared quickly and easily at home.

Just keep in mind that the preparation method differs depending on where this water will be used: for swimming (for example, a pool), for an aquarium, or for medical procedures.

  • D for wellness treatments

To rinse the nose, to quickly remove swelling from colds, you need to prepare water as close as possible to the composition of human blood.

To do this you need to buy sea salt. Just not with additives and dyes, but natural.

It is advisable to take real water. Perfect from a well or spring. If this is not possible, take it from the tap and let it settle or pass it through a filter.

Advice! It is not advisable to buy store-bought water for production. It goes through too many stages of purification and almost completely loses its abilities.

The water should be brought to a boil, then cooled a little and salt should be diluted in it at the rate of 2 g per 200 ml. After thoroughly kneading it will be saline solution, which can be used for children and adults.

  • For cosmetic procedures

If the water is intended for external use, you can buy any sea salt. Just read the information on the packaging to see what it is for.

Dissolve it according to the instructions.

This water can be used to prepare healing baths, for foot baths, for hair (you can rinse, make wraps, etc.). And if you add a couple of drops of iodine to it, it will be a great gift for your nails.

If it is not possible to buy sea salt, this does not mean that you will not be able to prepare a healing liquid. The water must be settled, brought to a boil, and cooled.

Then dissolve a teaspoon in a glass. spoon of soda and salt (it is better to use large ones), add 2-3 drops of iodine.

  • For aquariums

Sometimes it is necessary to make water that resembles sea water in composition for aquariums, if the type of fish requires just such conditions.

To do this you need to buy special salt. It’s called sea salt for aquarium.

Instructions for use are on the package, but most often it is dissolved in water in proportions of 37 grams per liter. After heating to the required temperature, fish can be introduced into the water.

Note! To measure salinity there is a special device - a hydrometer.

Harm and contraindications of sea water

Sea water is useful, but, unfortunately, not every person can use its abilities.

First of all, we are talking about some forms of thyroid diseases, kidney and liver diseases, with exacerbation of any chronic diseases.

Now you know the benefits of sea water salts and how to use them correctly for your health and beauty.

Try to take your family to the sea during your vacation, and if that doesn’t work, at least cook it at home.

Alena was with you, bye everyone!

photo@dimitrisvetsikas1969