For most people , the first thing in the morning after getting up , often unscrew the tap to wash, brush your teeth, boil water . As everyone knows, just put out in the water may hide a " killer ."
    " Best not to use the tap stuck in the ' overnight water ', every morning when you turn on the tap , you can first put empty for a while, the water used to flush the toilets , mopping the floor , etc. In addition , connecting hose , valve and other water pipes small parts , but also the safety of drinking water , be sure to pick a qualified product . " County Eaux central laboratory director Chai Chunyan , told reporters , " We take the water sampling pipe network when there are provisions first five minutes and then put the sample because the pipes in a night stranded in a ' backwater ', it does not represent the water pipe network . town some life long pipes , deep oxidation , which is also a bit high lead content , we regularly do plumbing maintenance and reconstruction It would also remind residents not to drink the water pipes in the residence ' overnight water ' . "
      Original , deactivated overnight water in the tap water and is stationary , and the tap water and the metal wall of the chamber will produce metal hydration reaction to form metal-contaminated water, and the water remaining in the propagation of microbes also up, this kinds of water contains a lot of harmful substances may also hidden threat to human health , an acute respiratory disease bacteria - Legionella . If you are using poor quality taps, "overnight in water " in the amount of lead will seriously overweight .
      So, how many people know that " overnight water" hazards, will develop "first put to use ," the habit? Reporters interviewed people of different ages , the survey found that most people are used directly, do not know the dangers of water overnight , especially senior citizens that the water was too vain to let go to waste. In contrast , families with young children are especially moms attention in this regard. For example, 10 years ago, Ms. Xu learned from the media , excessive levels of lead in water overnight , may damage nerves, blood and reproductive system, greater harm to the child , it will affect their growth and mental development, and since then, she raised became let go "overnight water " habits.
      Reporters in the survey also found that although some people do not "after the first release of" habit, but for the health of their families , the installation of water purifiers. Mr. Wang , who lives Fengzeyuan say , my wife is a doctor , usually a long stone patient contact is too much, when the original home decoration , her first proposal is to install a water purifier that boiled with water purifier rice , cooking , eating was assured.
      Reporters also water purifier county conducted a survey on the market in recent years, as people increasingly pay attention to the safety of drinking water , water purification either sales or style , are constantly rising and rich. Depending on the water quality, can be divided into clean water, pure water ; according to different functions , the machine has water purifiers, pure water ; according to the different roles , but also into the kitchen water purifier, direct drinking machine, water softener , pipe machine , central water purifier , etc. The variety of dazzling. And a cleaning effect sterilization , there is removal of lead ions in addition to silver , the softening scale inhibition , with the addition of sand ...... odor according to different needs , and type of the selected brand are different . But note that, regardless of the choice of water treatment products, components need to be replaced regularly for water , as this may bring secondary pollution.
      If you have not installed a water purifier at home , it really does not have to worry about water safety , because the strict implementation of the county's 106 water quality testing in 2012 enacted a new national standard , water quality is better than the national standard , in theory , has reached drinkable standards. However, at present , even if the finished water meet the standard requirements , due to the aging pipe network , does not regulate the secondary water supply facilities may still have an impact on water users , therefore , to develop a "first put to use ," the habit is very important.