RE: BACTERIOSTATIC WATER in the uk
No - distilled is simply 'purified' water:
Tap water has chemicals called salts dissolved in it. It will have chlorine added to kill bacteria. It might have flouride added to stop tooth decay. It may also have picked up chemicals from the rocks that it flowed over and the pipes that it travelled along. If the tap water is heated in a distillation apparatus and the steam is condensed at the other end, you will collect pure distilled water. Any dissolved gases (such as oxygen) will have been driven out of the water by the boiling. You will have nothing left but H2O, or a compound made up of hydrogen and oxygen.