However, nothing wrong with that, calm scientists from Sweden. They investigated the composition of clean water, suitable for drinking, and came to the conclusion that it is possible to be sure of the health, even if the glass float millions of bacteria. The main thing that flora was not pathogenic.
Even in the purest sources contain bacteria, which can not escape. Germs can grow on water filters inside water pipes. Bacteria form a thin film which does not carry any danger.
Scientists compared the bacteria in drinking water in the gut. Beneficial bacteria only be of benefit. Moreover, the "good bacteria" in the production of water can kill pathogenic. Such technology, experts say, could work more effectively treatment facilities from multi-stage filters.