When you're far from civilization, the water can contain Giardia, bacteria, Crypto-all kinds of nasty little buggers that can make you sick. Instead of wondering whether water is safe to drink, make it so with Water Treatment Drops by AquamiraA(R). Aquamira's Water Treatment Drops are perfect for the clean water you need on longer trips or when treating water for groups. This effective water treatment system is compact and lightweight-so toss it in your pack or pocket, and you'll always have access to clean drinking water. Water Treatment Drops are colorless, odorless and make water taste better. So don't let bad water get in the way of your greatest adventures. Include Aquamira's Water Treatment Drops in your gear list to treat water fast-and avoid the cramping, nausea and illness that can stop you in your tracks. Water Treatment Drops by Aquamira: Preferred by backcountry travelers, instructors and guides since 1999. Features: PA-registered chlorine dioxide water treatment system Liquid drops treat up to 30 gallons of water Small and portable size Improves the taste of treated water Perfect for emergency kits, foreign travel, backcountry and outdoor activities Kills waterborne pathogens better than iodine or chlorine Made in USA