Pick
Katadyn Micropur MT1 (EU) / Micropur MP1 (US)
Chlorine dioxide: viruses, bacteria, protozoa
≈ €15
Buy at Amazon affiliate link

≈ €8–10
Our addition: not on the official listsChlorine (NaDCC) tablets: cheap, long shelf life. Less effective against Cryptosporidium than chlorine dioxide.
Part of L1: 72-hour emergency kit.
Some links are affiliate links. No sponsored placements. Prices are approximate. Reviewed 19 October 2026.
Pick
Chlorine dioxide: viruses, bacteria, protozoa
≈ €15
Buy at Amazon affiliate link