This aquarium test strip kit is your complete water quality monitoring solution, supporting a wide range of testing levels from basic 5-in-1 to advanced 17-in-1 versions. Designed for fast, accurate results, the strips provide detailed readings of harmful substances and essential parameters, helping you maintain a healthy aquatic environment. Whether you're managing a tropical fish tank, a shrimp pond, or a home aquarium, this kit ensures your water stays balanced and safe for aquatic life. Main Features Multiple configurations: 5-in-1, 6-in-1, 7-in-1, 9-in-1, 16-in-1, and 17-in-1 test options available Tests water for critical elements like pH, nitrates, chlorine, copper, iron, hardness, and more Fast and easy testing—just dip for 2 seconds and compare after 60 seconds Ideal for freshwater and saltwater aquariums, ponds, and tanks Each bottle contains 100–125 test strips + test tube, easy to carry and use anywhere Specifications Product Name: Aquarium Test Strips Material: Test paper Size of Strips: 90 × 5 mm Test Tube Length: 8 cm Available Versions: 17-in-1: Includes pH, hardness, hydrogen sulfide, iron, copper, lead, manganese, total chlorine, residual chlorine, nitrate, nitrite, sulfate, zinc, fluoride, salt, total alkalinity, E. coli 16-in-1: Includes pH, hardness, lead, iron, copper, mercury, total alkalinity, nitrite, nitrate, bromine, free chlorine, total chlorine, fluoride, chromium, carbonate radical, cyanuric acid 9-in-1: Iron, copper, nitrate, nitrite, free chlorine, hardness, total alkalinity, carbonate, pH 7-in-1: Total hardness, nitrate, nitrite, free chlorine, carbonate, pH, total alkalinity 6-in-1: Total hardness, nitrate, nitrite, free chlorine, carbonate, pH 5-in-1: Nitrate, nitrite, water hardness, carbonate, pH Quantity: 100 or 125 test strips per bottle Applications: Suitable for tropical fish tanks, shrimp tanks, freshwater/saltwater aquariums, goldfish bowls, and ponds