1. Put the water dispenser in a cool place to avoid the exposure of pure water in the sun and affect the water quality. Turn off the water dispenser when you don't drink water to avoid repeated heating of the water in the hot water tank.
2. Identify the sensory quality of water: Qualified drinking water should be colorless, transparent, clear, odorless and tasteless, and there is nothing visible to the naked eye. Aquatic products with yellow color, turbidity, flocculent precipitation or impurities and odor must not be drunk.
3. After bottled water is delivered to the door, even bottled drinking water with good quality is easy to breed bacteria if it is left for too long. Once the bottled water is opened, it should be used up as soon as possible, usually within one week, otherwise it should be heated and boiled before drinking. Especially in the hot summer, the temperature is high, and the bacterial reproduction speed is also accelerated, and it will not last long. Barreled mineral water should be placed in a dark, ventilated and cool place to avoid sun exposure.
4, be sure to pay attention to keep the water dispenser clean, especially in summer, often drink water, it is best to clean and disinfect the machine. Because of long-term use, dirt will be deposited in the water storage tank, waterway and water outlet of the drinking machine, resulting in secondary pollution of bottled water. Consumers should clean and disinfect drinking fountains regularly, usually once every three months.
The production technology, production environment, personnel hygiene, packaging containers, commodity transportation, storage methods and other factors of bottled water may make bottled water polluted by bacteria and viruses. In the process of drinking, due to the negative pressure in the bucket after the water comes out, the air will "flow back" into the bucket, and the bacteria brought in by the air will also cause "secondary pollution". In addition, the "thousand boiling water" produced by repeated boiling water in drinking fountains may also become one of the factors that endanger health.
It is best to drink bottled water within one week after opening, and try not to drink "thousands of boiling water"
The microbial contamination rate of bottled water will increase with time. In addition to bacteria and viruses in water storage tanks, waterways and seats, another important factor is that the water dispenser will inhale air through ventilation every time it releases water. Therefore, no matter how good the bottled water is, as long as it is put in an ordinary water dispenser, it will gradually accumulate all kinds of bacteria, and it will even become harmful water for a long time.
Zhao, a researcher at Beijing Institute of Public Health and Drinking Water, explained: "Now more and more families use electric kettles. Many people can't drink all the water at once, and then boil it repeatedly. This kind of boiled water is best not to drink. " At present, it can't be proved that boiled water is carcinogenic, but the water burned by the water dispenser without descaling may contain heavy metals such as lead, which is harmful to human health for a long time.
How to distinguish the advantages and disadvantages of buckets?
1. The label of the high-quality barrel body should include the information of the factory name, address and implementation standard, and the bottom of the barrel is also marked with "pc" and "qs".
2, high-quality barrel transparent and smooth, barrel color is pure light blue or sky blue, no impurities, no spots, no bubbles. Tap the barrel wall with your hand, and the sound is clear. The barrel body is engraved with the name, trademark and production date of the manufacturer.
3. The old barrels and buckets recovered from waste materials are dark blue or milky white, with poor transparency, impurities and spots. Tapping the barrel wall with your hand is blunt and easy to crack and deform.
1. The label of the high-quality barrel body should include the information of the factory name, address and implementation standard, and the bottom of the barrel is also marked with "pc" and "qs".
2, high-quality barrel transparent and smooth, barrel color is pure light blue or sky blue, no impurities, no spots, no bubbles. Tap the barrel wall with your hand, and the sound is clear. The barrel body is engraved with the name, trademark and production date of the manufacturer.
3. The old barrels and buckets recovered from waste materials are dark blue or milky white, with poor transparency, impurities and spots. Tapping the barrel wall with your hand is blunt and easy to crack and deform.
The microbial contamination rate of bottled water will increase with time. In addition to bacteria and viruses in water storage tanks, waterways and seats, another important factor is that the water dispenser will inhale air through ventilation every time it releases water. Therefore, no matter how good the bottled water is, as long as it is put in an ordinary water dispenser, it will gradually accumulate all kinds of bacteria, and it will even become harmful water for a long time.
Regarding the problem of "boiling water", Zhao, a researcher at Beijing Institute of Public Health and Drinking Water, explained: "Now more and more families use electric kettles. Many people can't drink all the water at once, and then boil it repeatedly. This kind of boiled water is best not to drink. " At present, it can't be proved that boiled water is carcinogenic, but the water burned by the water dispenser without descaling may contain heavy metals such as lead, which is harmful to human health for a long time.
How to distinguish the advantages and disadvantages of buckets?
1. The label of the high-quality barrel body should include the information of the factory name, address and implementation standard, and the bottom of the barrel is also marked with "pc" and "qs".
2, high-quality barrel transparent and smooth, barrel color is pure light blue or sky blue, no impurities, no spots, no bubbles. Tap the barrel wall with your hand, and the sound is clear. The barrel body is engraved with the name, trademark and production date of the manufacturer.
3. The old barrels and buckets recovered from waste materials are dark blue or milky white, with poor transparency, impurities and spots. Tapping the barrel wall with your hand is blunt and easy to crack and deform.
1. The label of the high-quality barrel body should include the information of the factory name, address and implementation standard, and the bottom of the barrel is also marked with "pc" and "qs".
2, high-quality barrel transparent and smooth, barrel color is pure light blue or sky blue, no impurities, no spots, no bubbles. Tap the barrel wall with your hand, and the sound is clear. The barrel body is engraved with the name, trademark and production date of the manufacturer.
3. The old barrels and buckets recovered from waste materials are dark blue or milky white, with poor transparency, impurities and spots. Tapping the barrel wall with your hand is blunt and easy to crack and deform.