Potable Aqua Water Purification Germicidal Tablets

50 tablets per package. The most trusted name in water purification products, Potable Aqua® is used by militaries and relief organizations around the world. It has no expiration date. Potable Aqua® is an iodine based tablet used to treat water and make it bacteriologically suitable for drinking. Each Potable Aqua tablet contains a proprietary compound called TGHP that incorporates 8 milligrams of germicidal iodine into each tablet of Potable Aqua.Dissolving Potable Aqua® tablets in water releases iodine from the TGHP compound. Two forms of iodine are released when Potable Aqua tablets are added to water, free iodine (I2) and hypoiodous acid (HIO). Both I2 and HIO are effective germicidal compounds that work by penetrating the cell wall of a microorganism, thereby rendering it inactive. Potable Aqua tablets also contain a buffering agent that brings the pH of the water to a slightly acidic level to optimize the disinfecting properties of the iodine. This mixture provides adequate disinf