Chlor-Floc US Military Water Purification Powder Packets (30 pack) - The Tablet Currently Used By The US Military. Genuine Government Issue. 30 Packets Per Box. Eliminates Giardia, Bacteria, Viruses, Removes Sediment. 1 or 2 powder packs is good for 1 Quart or 1 Liter of Water, Depending On Water Temperature. Get Pure Water Purification & Clean drinkable water. NSN # 6850-01-352-6129. 3 Year Shelf Life - MFG DATE & EXP. DATE PRINTED ON SIDE OF TABLETS FOIL PACKAGE. These water purification tablets can help eliminate Giardia, bacteria, viruses, removes sediment. Each 600 milligram tablet provides 1.4% available chlorine, and enough flocculating agent for the clarification and disinfection of 1 liter of water from polluted sources at temperatures of 77 degrees Fahrenheit. At 41 degrees Fahrenheit two 600 milligram tablets will provide 2.8% available chlorine for the same purpose. Intended for the clarification and disinfection of polluted/suspended water, to make it bacteriological safe for drinking. Recommended for use during US military exercises. Can also be used for the general public where municipally treated water is not available or where available water is suspected of being polluted. Military issue Chlor-Floc water purification tablets are used for treating individual water supplies. Chlor-Floc tablets contain flocculating agents (e.g., aluminum sulfate) to clarify the water and sodium dichloroisocyanurate, a form of chlorine, to provide disinfection. Currently used by the US Military (NSN 6850-01-352-6129) and contains 30 tablets per box. Directions for using Water Purification Tablets: Directions call for the user to fill the plastic bag with 1L of water, add 1 tablet, close and shake bag until tablet dissolves, then swirl the bag for 10 seconds. Let the bag sit for 4 minutes, swirl again for 10 seconds, then let the bag sit an additional 15 minutes. After 15 minutes pour the water through one of the filter pouches and into a separate container (i.e., a canteen) taking care not to pour the sediment into the filter pouch. Rinse the sediment from the plastic bag and save bag for future treatment. Depending on the temperature of the water being treated 1 or 2 tablets are added. Waters warmer than 5 C require only 1 tablet while waters 5 C or colder require 2 tablets. In all cases the wait time is approximately 20 minutes (4-minute and 15-minute wait times), except when treating warmer waters (25 C) when only a total of approximately 12 minutes is required (4-minute and 7-minute wait times). The filter pouches can be reused if cleaned thoroughly with treated water. The user should always be sure to use the same side of the filter pouch for straining. The tablets should be stored in their sealed tablet wrappers away from excessive heat or direct sunlight.