This quick and easy kit contains the most commonly used tests to determine the source of household water problems. It takes only 15 minutes and is a convenient way to test your home drinking water. Kit contains: 1 each clear vial, 1 set test tablets (free chlorine, total chlorine, total iron, nitrate wide range, pH wide range, and hardness), 1 each model No. KP-21 water softener brochure, 1 each model No. ST-1 product information guide, 1 each optional lab analysis card model No. 145013, 1 each Culligan model No. TK-2 instructions, 1 each model No. 145320 color matching chart (print with the individual box, separated, and packed with box). Each kit is packed on a clip strip, 4 per strip 2 strips per case = 8 kits total case.