Wisconsin Pharmacal Potable Aqua Plus
Second step instantly removes iodine taste and color Treats up to 25 quarts  It makes drinking water safe with a two step treatment process. In step #1 tablets are used to disinfect the questionable drinking water and make it bacteriologically suitable to drink. After P.A. tablets have treated the water, add P.A. Plus neutralizing tablets to remove the iodine taste and color.