A, see using method: clean the glass with a cup full of water, the Sunshine Underground carefully observe whether water containing suspended matter, if the bottom of the cup have suspended material, so it shows the suspended material impurities in water seriously exceed the standard, so the water through the water purifier after drinking.
Two, use the method of smell: use a glass, remote access to a glass of water, and then use the method of smell, smell whether there are other peculiar smell, if there is pungent chlorine taste, that shows there is bleaching powder in the water.
Three, the use of taste: 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!
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