Potable Aqua Plus A Revolutionary Two Stage Process That Makes Water Bacteriologically Safe To Drink And Taste Good. After Treating Water With Potable Aqua, Simply Drop 1-2 Tablets Of The Neutralizer Into The Water And Wait 3-5 Minutes For Clear, Great Tasting Water. It Greatly Reduces The Iodine Taste And The Discoloration Caused By The Iodine. Packaged In A 50 Count Bottle Along With A 50 Count Bottle Of Potable Aqua On A Blister Card. Treats Up To 50 Quarts. Reminder: Use Potable Aqua First To Make The Water Safe To Drink. The Neutralizer Will Not Eliminate Harmful Bacteria Or Viruses.