Water can be boiled or bleach can be added to the water.
- If you need a substantial amount of water add 1 teaspoon of Jik or Javel to 25 liters of water and mix it. Leave the water in the container overnight or for at least 2 hours before using the water.
- If little water is needed add 5 drops of bleach to one liter of water and leave it for half an hour.