Potable Aqua Water Purification Tablets will quickly disinfect contaminated drinking water. Intended for emergency use only, these tablets will make most water bacteriologically suitable for drinking. Proven effective against Giardia when used as directed. Each Potable Aqua tablet contains 20 mg of Tetraglycine Hydroperiodide (TGHP), which liberates 8 mg of titratable iodine when released into water. Within 30 minutes, the iodine will have penetrated the cell walls of the microorganisms, rendering them inactive and making the water bacteriologically suitable to drink.
