The Colombo AquaTest Test Lab Professional is a comprehensive water testing kit suitable for ponds, tropical aquariums and marine aquariums. Housed in a durable carry case, this kit includes everything required for accurate, professional drip-style testing to monitor key water parameters. Key Features: Complete set with reusable test tubes, colour charts and syringe, performs 250 individual tests across key water parameters, suitable for freshwater and saltwater aquariums (pH and GH not for marine use), monitors pH, KH, GH, ammonia, nitrite, nitrate and phosphate, compact hard case design for easy storage and transport. Case Dimensions (LxWxH): 31.5cm x 5cm x 25.5cm. Includes tests for the 6 most important water values: pH, GH, KH, NO2 and NO3, NH3, PO4.