Look: Use a glass of higher transparency to fill a glass of water, and look at the light for any fine substances suspended in the water? Let it stand for three hours, and then observe whether there is sediment at the bottom of the cup? If there is, it means that the suspended impurities in the water are seriously exceeding the standard; a water purifier must be used for terminal treatment;
Smell: Take a glass of water as far as possible from the faucet, and then smell it with your nose. Does it smell of bleach? If you can smell the bleach, it means that the residual chlorine in the tap water exceeds the standard! A water purifier must also be used for terminal treatment;
Taste: Drink boiled water hot, whether it smells of bleaching powder, if you can smell the bleaching powder, it means that the residual chlorine in the tap water exceeds the standard! A water purifier must also be used for terminal treatment;
View: Use tap water to make tea and observe whether the tea turns black overnight? If the tea becomes black, it means that the iron and manganese in the tap water are seriously exceeding the standard, and a water purifier equipped with iron and manganese filter elements should be used for terminal treatment;
Product: taste boiled water, is there any astringency in the taste? If so, it means that the hardness of the water is too high. It should be treated with a water purifier equipped with a softening filter element of ion exchange resin. The taste of the treated water will be sweeter;
Check: Check the water heater and kettle at home. Is there a layer of yellow dirt on the inner wall? If there is, it means that the hardness of the water is too high (the content of calcium and magnesium salts is too high), and the softening water purifier should be used as soon as possible for softening treatment!
Note: Water with too high hardness can easily cause scaling of water heater pipes and burst pipes due to poor heat exchange; long-term drinking of water with too high hardness can easily cause various stone diseases, high blood pressure, and cerebrovascular diseases.Big Blue Housing