5 methods to make unsafe water drinkable when you have no clean supply.
Clean water is the single most important resource for survival. The human body can only survive 3 days without water, and contaminated water can cause deadly diseases like cholera, dysentery, and typhoid. This guide teaches you 5 different methods to purify water using common materials — from boiling to solar disinfection to DIY filters. Knowing multiple methods ensures you can always make water safe to drink, no matter what resources you have available.
Step 1 of 7
Look for running water rather than stagnant water. Collect rainwater if possible. Avoid water with unusual color, smell, or floating debris.
Important Warning
Never drink seawater directly. The salt will accelerate dehydration.
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