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How to Purify Water With Bleach

In most situations when you need to purify water, the likely solution is boiling. However, water can also be purified with bleach if you are not able to boil it. Bleach contains chlorine, which vigorously kills bacteria in water.

Things You Will Need

  • Empty 1-gallon jug
  • Water
  • Coffee filters
  • Clean airtight container
  • Bleach
  • Liquid dropper

In most situations when you need to purify water, the likely solution is boiling.  However, water can also be purified with bleach if you are not able to boil it.

Bleach contains chlorine, which vigorously kills bacteria in water.  You must be extremely careful when you add bleach, as it is a potentially deadly substance.

With the proper knowledge and technique, water can even be consumed after being purified with bleach. 

  1. Fill an empty gallon jug with the contaminated water.
  2. Pour the water through two coffee filters and into a clean, airtight container. The coffee filters will remove large particles of impurities. Let the water stand for 15 minutes so it can settle.
  3. Fill a liquid dropper with bleach. Add eight drops of bleach to the water and mix well.
  4. Wait 30 minutes, then smell the water. The water should have a very faint bleach odor that is present but barely noticeable. If you cannot smell the bleach, add two more drops and mix it again. Do not exceed 16 drops of bleach per gallon of water.
  5. Tip

    When purifying larger quantities of water, use the same bleach-to-water ratio. For example, two gallons of water should get 16 drops of bleach and a quart of water should get two drops of bleach.

    Warning

    Do not use scented bleaches.

Things You Will Need

  • Empty 1-gallon jug
  • Water
  • Coffee filters
  • Clean airtight container
  • Bleach
  • Liquid dropper

Tip

  • When purifying larger quantities of water, use the same bleach-to-water ratio. For example, two gallons of water should get 16 drops of bleach and a quart of water should get two drops of bleach.

Warning

  • Do not use scented bleaches.

About the Author

Kenneth Coppens began his freelance writing career in 2008. His passions in life consist of extensive personal research on food, gardening and finding natural and eco-friendly alternatives to nearly all aspects of life.

Photo Credits

  • Jupiterimages/Comstock/Getty Images
  • Jupiterimages/Comstock/Getty Images