1, "smell" is to use the nose to feel the smell of water, at present, China's tap water mostly chlorine disinfection, if chlorine exceeds the standard, will produce a very pungent odor.
2, "taste", try drinking, method: hot drink water, whether there is bleaching powder (chlorine) taste, if you can smell the smell of bleaching powder (chlorine), indicating that the tap water residual chlorine exceeded.
3, "" taste, method: pour a cup of boiling water, boiling water has no taste of white, taste astringent feeling, such as a water hardness is too high.
4, "Hope", direct observation with the naked eye, can be filled with a glass of water from the taps with a transparent glass, precipitation for three hours, and then observe whether the cup bottom sediment, if there is too much water, that suspended impurities.
5, "check" to check the water heater at home, kettle, whether there is a yellow wall fouling, and if the water quality is hard, some of the water containers at home will be scaling, that is, we often say "scale."".
6, "view" to observe the water in a certain period of time, some conditions, methods: tea with water, after overnight to observe whether the tea black, and if the tea black, indicating that iron and manganese in tap water is seriously overweight.
The above is the Dongguan water treatment equipment Xiaobian for you to explain some of the identification of drinking water, good or bad, and I hope to help you, more details on the official website: www.cunanwater.com