Potable Aqua Chlorine Dioxide Water Purification Tablets - Portable Drinking Water Treatment For Camping, Emergency Preparedness, Hurricanes, Storms, Survival, and Travel Potable Aqua products provide time-tested, simple-to-use water treatment options for campers, backpackers and other outdoor enthusiasts Proven effective against bacteria, Giardia, Lamblia, Crystosporidium, and viruses No aftertaste-improves the taste and odor of water 30 tablets treat 30 quarts When water is scarce, water purification tablets like Potable Aqua are crucial for an emergency preparedness kit