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This is normal:
One: Because in some places, such as the northern water, where the water quality is excellent, the concentration of calcium and magnesium ions is relatively high, and the water filtered by the water purifier still retains the minerals and trace elements in the water that are beneficial to the human body.
Once water is heated and boiled, these calcium and magnesium ions and minerals will react with water and air.
This will result in what is known as white floater or scale. This is actually a normal phenomenon and a good phenomenon.
2: However, the water that has not been filtered not only contains calcium and magnesium ions, minerals and other substances that are beneficial to the human body, but also colloidal substances and some impurities, bacteria, etc., such as suspended solids, rust and sediment, etc., and then these colloidal substances will be combined with impurities and tightly attached to the surface of the appliance, so after the tap water that has not been purified by the water purifier is heated, it is not easy to detect the abnormality, but after a long time, yellow scale will be formed.
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Is it a layer that floats on the surface of the water after boiling? That is calcium and magnesium ions precipitated in water. When water is heated, calcium and magnesium ions will precipitate out of the water to form a white lens, which is a normal phenomenon.
At room temperature, calcium and magnesium ions are completely dissolved in tap water, so there is no way to filter it, and the situation of white floating objects cannot be avoided. The white crystals formed by the precipitation of calcium and magnesium ions are not harmful to health.
It means that your water is still relatively clean and has a high mineral content.
If there is dirt, calcium and magnesium ions will adhere to form a limescale precipitate and will not drift to the surface.
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If the water in your area is hard water, that is, water with more minerals, then this thing is limescale, and the main ingredient is calcium carbonate. It's okay, just filter it, if not, it's a problem with the waterworks, and you have to make sure that your water pipes are fine.
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The white floaters in the water are likely to be magnesium ion precipitates.
In fact, after boiling water, these white substances, whether white or precipitated under the water, are the precipitation of calcium and magnesium ions in the water, which is what we often call "scale". This substance is actually calcium carbonate in water.
When combined with magnesium carbonate, it is precipitated from the water, which is the white substance that we see in our senses.
Limescale is harmless to the body, even if we accidentally drink the scale after boiling the water, our body absorbs it very little, and it is excreted almost without absorption.
Causes of water contamination:
Physicochemical properties and dynamic characteristics of water in nature that have not been polluted by human activities. Physical properties mainly refer to the temperature, color, transparency, smell and taste of water. The chemical properties of water are determined by the amount of gases, ions, molecules, colloidal and suspended substances, microorganisms and these substances dissolved and dispersed in natural water.
The dissolved gases in natural water are mainly oxygen and carbon dioxide.
The dissolved ions are mainly potassium, sodium, calcium, magnesium, chlorine, sulfate, bicarbonate.
and carbonate plasma. Biological protoplasms include nitrate, nitrite, dihydrogen phosphate and hydrogen phosphate ions. In addition, there are certain trace elements.
Such as bromine, iodine and manganese, etc.
Colloidal substances include inorganic silicic acid.
Colloidal and humic acids.
Organocolloid-like. Suspended solids are mainly inorganic. Microorganisms are bacteria and coliforms.
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White floats in the water are limescale. The main ingredients are:Calcium carbonateAfter a series of treatments, there are still some insoluble calcium carbonate and magnesium carbonate precipitated and floated in the water, which are harmless to the human body. The quality of tap water is hard, and it is normal for limescale to appear after boiling, so there is no need to worry.
Even if you accidentally drink limescale after boiling water, you don't need to worry too much, the body absorbs calcium carbonate and magnesium carbonate very little, and it will be excreted from the body if it is almost not absorbed, and you can drink more water to promote excretion.
The use of water
With the popularization of tap water, the quality of our daily drinking water has been greatly improved, but the problem of secondary pollution of drinking water still cannot be ignored.
Uses: Hydroelectric power, shipping, exile of bamboo and wood, climate regulation, beautification and other functions. Water is used for drinking, nurturing all things, cooling, heating, dissolving, cleaning, and synthesis in industry, irrigation and breeding in agriculture, and water sports and recreation can also be developed.
The above content refers to Encyclopedia - Water.
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The white thing is the scale inside the water, and since the tap water is made of hardness, the water dissolves in the water after heating.
The solubility of calcium carbonate decreases and precipitates and is suspended in water. It is recommended that the water continue to boil for 2-3 minutes after boiling, and then pour it into the kettle, pay attention to the white scale at the bottom of the kettle, and then pour it into the kettle!
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People who don't know what place you are. If the water you boil contains too many minerals, it is commonly known as hui.
Hard water. White powder should be the cause.
Answer: When heated, it is formed by the reduction and precipitation of minerals in an ionic state. Too many minerals contained in hard water are harmful to the body, and the amount of minerals can be reduced after heating, and the harm is negligible. PS: Those powders are harmless to the body and can be seen as finely ground stone powder.
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Bleaching powder, even if it's something else, it's no problem to drink boiling water after heating at high temperatures! Feel relieved.
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Scale, it is recommended to drink boiled water in the future, drink more hard water and there is a possibility of stones, I wish you good health.
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It's that the water quality is not good, and you don't need to filter it when you pour it.
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Scale. Note that after boiling, it will settle before drinking. Scale is a mixture of compounds and impurities precipitated from water after heating, the main components are calcium carbonate and magnesium hydroxide, and the scale formed over a long period of time will stick to the cooking pot, and some of it will float on the water surface.
At high temperature, calcium sulfate containing slightly soluble in water will precipitate due to the evaporation of water, and the carbonate in the water will combine with calcium and magnesium ions to form calcium carbonate and magnesium carbonate that are insoluble in water, that is, water alkali. With the continuous evaporation and concentration of water, the water alkali content continues to increase, and scale is formed after reaching saturation.
Remove limescale from boiling water.
1. Vinegar to remove scale. If the kettle has scale, you can put a few spoonfuls of vinegar into the water and boil for an hour or two to remove the scale. If the main ingredient in the scale is calcium sulfate, the soda ash solution can be poured into the kettle and boiled to remove the scale.
2. Ion exchange scale removal method. By using a specific cation exchange resin to replace calcium and magnesium ions in the water with sodium ions, the solubility of sodium salts is high, so the formation of limescale due to the increase in temperature is avoided.
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It is "limescale".
Scale is a common name for mineral salt precipitation, and the main component is calcium carbonate.
Calcium sulfate, magnesium hydroxide.
Compounds that are insoluble in water, such as magnesium carbonate. These solid compounds containing calcium and magnesium ions are not harmful to human health, so limescale water does not prevent drinking.
The 'soft' and 'hard' levels of water quality are differentiated based on the total amount of calcium and magnesium carbonate. If the total amount of calcium and magnesium carbonate is high, the water quality will be hard, and vice versa. And people often say alkaline water.
Generally, it refers to the presence of sodium ions in water.
Water rich in sodium ions should not be drunk too much, because sodium ions are associated with cardiovascular and cerebrovascular diseases.
There is a direct relationship. ”
Limescale hazards. 1) The poor thermal conductivity of scale will lead to the deterioration of heat transfer on the heating surface, thus wasting fuel or electricity.
2) If the scale adheres to the heating surface of the thermal equipment, it will endanger the safe and economical operation of the thermal equipment. Because the thermal conductivity of limescale is very poor, it hinders heat transfer. The heat absorbed by the furnace tube from the flame side cannot be well transferred to the water, and the cooling of the furnace tube is affected, so that the wall temperature rises, causing the furnace tube to bulge and cause a burst pipe.
The above content refers to People's Daily Online - Is limescale water good water?
Encyclopedia - Scale.
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If there is white floating debris in the water of the fish tank, it may be because the water quality is not clear, you can buy some reagents and put them in to improve the water environment.
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The water in the fish tank has white floats. Don't panic, don't mess around, that's just protein worms, there are protein worms that indicate that the water in your fish tank is "fat", caused by two reasons: 1. Overfeeding 2Lack of filtration!
The solution is simple:
Change the water frequently, and the protein worms on the tank wall can be wiped off with a towel, and then you should reduce feeding and increase filtration.
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There is a "floater" in the fish tank? Professional fish farmers explain in detail, and solve them in five aspects.
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The white float (or sediment) in the water is commonly known as scale, and its main component is calcium carbonate.
Magnesium carbonate. After the water is boiled, if there are white floaters, do not drink them immediately, you must wait until the white floats are precipitated and filtered before drinking, so that it will be better for the body, because these white floaters cannot be drunk into the body, otherwise it will cause too much calcium in the body, resulting in stones.
There are also symptoms that do not drink the water that has just been boiled, which will damage the intestines.
Precautions for boiling water:
1. When the water is about to boil (80-90), the lid of the pot should be opened. Because there are more and more organic pollutants in water nowadays, some substances are volatile.
, when heated, it will follow the water vapor.
Volatilize out. Therefore, when the water is about to boil, the lid of the kettle should be opened to allow these substances to be volatilized to the maximum.
2. It is best to turn the water open for 5-10 minutes every morning to avoid rust pollution in the pipeline and stagnant water in the pipeline.
of the generation. Faucets that have not been turned on for a long time should be taken with special attention. This part of the water can be used for cleaning and washing.
The above content reference: Encyclopedia - Scale.
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First of all, the first case is that the slime is caused by the water mold that grows in the water mold wheel, and when it touches an object, such as the carcass of a fish or the carcass of a snail, it will form a moldy clump, which is something that looks like a white slime worm.
However, when the water temperature exceeds 28 degrees Celsius or the water is raised, the white slime in the water is gone.
Moldy filaments tend to appear in open water tanks or dead water tanks. It is also normal for places that have not been raised with water to produce some white sticky substance.
As long as the water temperature exceeds 28 degrees Celsius, or the digestive system of the water in the tank is well established, no white slime will be produced.
The second case is the membrane that desulates tung or bacteria. When the concentration of digestive bacteria in the water reaches a certain level, a film-like substance will be produced, just like the hose in the trapped water tank is covered with a white film, but it will fall off when touched and will not stick. Like this, the digestion of bacterial membranes will disappear by itself as long as the light is always on and the light is seen.
Therefore, it is okay to have a film, but if there is a sticky substance, it means that you can't raise fish!
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