The Aquascape KH/Alkalinity Test Kit measures KH and alkalinity concentrations in ponds and aquariums. This easy-to-use kit provides accurate, laboratory-quality testing that is simple to complete with the provided step-by-step instructions. Sixty tests are included in each kit and all necessary components are included as well. Carbonate hardness, or KH/alkalinity, has an intricate relationship with pH and the buffering capacity of pond or aquarium water, making it important to monitor in certain ponds. The Aquascape KH/Alkalinity Test Kit is also ideal for optimizing the benefits provided by the Aquascape IonGen™ G2 System.