Product Highlight(s): A complete kit for testing tap water pond water. Tests water for pH, ammonia, nitrite phoshorous levels. Features 4 test tubes, instruction book, color cards, a holding tray for testing bottles and test tube rack.A complete kit for testing tap water pond water. Tests water 4 different ways to protect fish from dangerous water conditions. Tests include: pH, ammonia, nitrite and phosphate. Kit contains instruction book, improved color cards for easier reading, 4 test tubes and holding tray.