Water Purification

- Iodine should be stored in dark bottles.
- Iodine is better than chlorine-based treatments in inactivating Giardia cysts.
- Some people are allergic to or sensitive to iodine.
Key Points
1. Water purification using filters and chemical treatments are the most convenient ways.
2. Look for light, easy-to-use, tough water filters.
3. Chemical water purification may be simpler, and is certainly lighter for backpacking.
4. Use filters and chemical treatments carefully, or they may not work.
Backpacking and Boating Tips