It is no secret, that it isn't recommended to drink water from the ordinary crane in connection with availability in it of various impurity which can do much harm to an organism. In this regard many house owners order drinking water on the house which however, despite assurances of her producers, needs check on quality too.
Instruction
1. Pour a little water into a glass, and then try it. This way is rather simple, but also is dangerous as it is unknown that is a part of water. High-quality water has to be toothsome, it is quite good if it is sweetish. In case water is bitter, sour or salty, you shouldn't eat it not to get food poisoning.
2. Safer method of quality check of water is to define its smell, the absence is more right than it. If your receptors catch the suspicious smell similar to bleaching powder or something more unpleasant, at once pour out this water.
3. It is also possible to pour water in a transparent can and to leave it for couple of days to be defended. Don't mix it with something and don't shake up. It is important that in bank any scurf or a deposit didn't appear. Water shouldn't change color, and on its surface shouldn't appear any excessive formations, like a film.
4. If you don't want to wait so long, pour a little water on glass or a mirror. The surface on which you will pour liquid has to be plain, without any damages. Leave water for some time. Drinking water of the superior quality, having dried, won't leave behind any traces or marks.
5. In certain cases water is just boiled within several minutes to etch from it all harmful compounds. Sometimes water is poured in plastic bottles and frozen in fridges for 5-6 hours. Some hostesses believe that for greater safety it is necessary to leave drinking water to settle for 8-9 hours.
6. As some impurity by means of these methods can't almost be revealed, try to buy such drinking water as which you are sure. Quite water in glass bottles which can be found in any shop at reasonable prices will approach.