The purification of the water is an objective necessary for the daily well-being of the American soldier on the front, which must be able to be confronted with a shortage of drinking water supply all the time. So, there are many small flasks of tablets of halazone intended to disinfect the water.

Capsules found on the field of Normandy in 2017

Discovered inside an M1 helmet shell knocked down in the sector of Périers (50) this weekend, bulbs containing a white powder which you perceive at the bottom of photography are filled in reality with hypochlorite of calcium, substance intended to cause the same benefactions and all the more last to find on the batllefield.

This type of bulbs was emptied in particular of their contents in canvas collective water bags.

Hypochlorite of calcium