What are the critical components of a long-term, off-grid water purification system using only natural materials?
You can survive three weeks without food. You will not survive seventy-two hours without water. Yet most people who claim to be prepared for a catastrophic grid collapse spend 90% of their budget on ammunition and freeze-dried food, treating water as an afterthought. They buy a couple of plastic filtration straws, stash a few five-gallon […]