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. This package (model 96019) includes 60 tests and all necessary components. 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 System (# 95027). Aquascape is passionate about water gardening and koi fish ponds, providing unique products, designs, and features that stand above the competition.