• Complete 7-in-1 pool and spa test kit: measures hardness, total alkalinity, cyanuric acid, total chlorine, free chlorine, bromine, and pH. • Contains 50 moisture-protected test strips in a resealable box, easy to use and transport. • Quick and easy to use: simply dip the strips in water for 2 seconds and get results in 30 seconds. • High accuracy: made with high-quality fiber paper and equipped with a full-color chart for reliable results. • Versatile: suitable for pools, drinking water, spas, ponds, aquariums, industrial wastewater, urine, and other liquids. • Product dimensions: 4.9 cm wide, 4.7 cm high, and 11.2 cm long.