It is not good to drink long-time stocked boiled water.

Everyone always think that boiled water is good but  boiled water is harmful to our health if it is stocked long time. Based on the specialist, water boiled with 100 degree can damage the bad baterial only in 2 hours after its boil, baterial will be increased. And after 24 hours, Baterials will grow more and more.
  

The specialist have told that at 60 degree, the many baterials died in 10 minutes or 100 degree in 5 minutes. And baterials live every where such as in space, ground and water or items around us. That why you need to clean fruits or kitchen tools with hot water so that the baterials die.

More over, when people drink boiled water that stocked long time, they can be hurt by nitrate acid that is created by boiled water. one day the water can product nitrate acid 0.004 mg and it will increase up to 0.011 mg within 3 days. so in 20 days, nitrate acide will be 0.73 mg. Therefore, you must not drink boiled water that kept more than 3 days. Doctor says that boiled water that kept long time, may lose much oxigen and water become the water with bad baterial. In case you keep boiled water in bottle that you drink directly with your mouth, you should throw it away when it remains in few days so that infection of bad baterial to you is low.