Emergencies can happen and water shortages have been experienced in even the most modern cities during the least expected times. Often within moments of a storm's detection on radar, the news broadcast will send people flocking to stores where people clean the shelves of large containers of water, leaving nothing for those who delay.
This innovation will allow you to store water for washing and other uses during emergencies. Fill the apparatus while the water supply is still running and if you are unable to buy water.
You should be careful to use food grade plastics. Some trash bags are coated with pesticides & can release chemicals into the water. Trash bags are not recommended by the USDA for the storage of food.