SESKStuff Everyone Should Know
SESK: Stuff Everyone Should Know · sesk.info/hike-water-chemical-treatment

Which household product can disinfect clear water in an emergency?

Start playing free

  1. Scented dish soap
  2. Unscented chlorine bleach
  3. White vinegar

🔒 The answer is for SESK members. Members see the answer, why it's right and the official sources for every card of Stuff Every Hiker Should Know, plus timed practice exams.

The first 50 cards of every test are free to play.

Play the free cards See membership

Like this card?
Play the game

References

  1. CDC: Water Treatment When Hiking, Camping or Traveling www.cdc.gov/drinking-water/prevention/water-treatment-hiking-camping-traveling.html Checked 2026-10-12.
  2. CDC: Water Treatment When Hiking, Camping or Traveling www.cdc.gov/drinking-water/prevention/water-treatment-hiking-camping-traveling.html Checked 2026-10-12.

Think this answer is wrong? Tap "Challenge this answer" on the card in the game and tell us why.

Test yourself in the game

Outdoors & CampingWhich group first came up with the Ten Essentials packing system for hikers?Outdoors & CampingWhy does the Park Service recommend a headlamp over a regular flashlight for hiking?Outdoors & CampingHow much extra food does the Park Service suggest packing as one of the Ten Essentials?

That's stuff everyone should know.