A practical 2025 guide to picking backpacking water purifiers: compare mechanical filters, chemical disinfectants, and UV devices by weight, what pathogens they remove, and maintenance needs.
A portable purifier improves safety and flexibility while backpacking; choose a filter based on the pathogens you expect and pair mechanical filters with UV or chemical treatment for viral risk.
A practical update on camping water treatment: when to use a filter versus a purifier, how different methods handle bacteria, protozoa and viruses, and field maintenance tips to keep your device working.
Ultraviolet (UV-C) water purifiers inactivate microorganisms without chemicals, but they do not remove chemicals or heavy metals. Pair UV with pre-filtration, follow maintenance schedules, and choose certified equipment.