General description 14 in 1 Multifunctional Swimming Pool Test Paper is designed to provide accurate testing for various water quality parameters. Each pack contains 50 strips that can measure residual chlorine, pH, total alkalinity, hardness, and several other important elements in water. Technical specifications Test time: 60 seconds Test items: residual chlorine, pH, total alkalinity, hardness, iron, copper, lead, nitrate, nitrite, bromine, total chlorine, chromium, fluorine, cyanuric acid Compatibility and accessories Suitable for drinking water Aquariums Swimming pools and spas Industrial water Ponds Hot spring water Bathtub water Pesticide water Dishwashing disinfectant residual water