AquaTabs

Individually foil-sealed tablets are packaged in a waterproof, resealable pouch that fits easily into backpacks, toiletry bags, first-aid kits, and tackle boxes. 5-year shelf life. Ideal for use during camping, hiking, travel, or emergency situations. Compatible with water from lakes, rivers, creeks, and uncertain bottled or tap sources.  Add one tablet to 1 L of water, mix thoroughly, and allow 30 minutes before use.