Best Ways to Purify Water Without Electricity?
Boil, chemical tablets, gravity filters—I've used all three for off-grid water purification, but each has its limitations when you don’t have power. For those who’ve relied on these methods long-term, which have you found most reliable, especially in cold weather? Any good gravity-fed setups that are easy to maintain and don’t clog up fast? Looking for input on specific brands or DIY solutions folks have actually put through the wringer.