How to properly disinfect water and how to store it – explains the expert
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Water is a basic resource for life, but not all water is drinkable. How to determine its suitability, what affects the quality of water, how to clean it and why a piece of silver cannot cope with this, explained candidate of chemical sciences Hleb Repich. How much water can be stored According to Repich, bottled water can usually be stored for 1 year while bottled water can be stored for 2 years. “But this does not mean that after two years it cannot be used. If the bottle is intact, then under the right conditions it can be stored for a very long time. The right conditions are so that the bottle does not spoil. The main thing is that it is closed and water does not come into contact with air,” says Gleb Repich. Photo: AntonioGuillemF/Depositphotos If dust and microorganisms get into the bottle or bottle, the water will spoil. However, it is easy to fix with ordinary boiling. How to disinfect water According to the recommendation of a specialist, it is necessary to boil from 3 to 10 minutes to disinfect the liquid. The same method can be applied to obtain water in the field. How to get water in the field The scientist notes that you can dig a deep hole, which will be a well with ground water. “However, this is not a guarantee that it will be clean. In particular, a well is not a guarantee that the water in it is clean, because it is ground and close to the surface. Under certain conditions, it can be contaminated with feces, so in villages I am very skeptical about wells, especially if there is a cesspool ten meters from it,” he explains. Gilb Repich reminds that the main analyzers in the human body are the eyes, nose and mouth. Therefore, if the water has a strange smell or taste, it should either not be used or, if possible, boiled. Myths about water purification The scientist also dispelled myths about folk methods of water purification: A piece of silver in water does not work. It will not change its properties in any way, and microorganisms will continue to live in it. This is scientifically proven. Activated carbon can only remove the smell if water is filtered through it, but it cannot kill bacteria and viruses. Manganese can kill bacteria, but it is a relatively toxic substance, so it is not recommended to use it to purify drinking water. Read also: Samples of 18 new types of psychoactive substances were found in wastewater from different countries
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