Introducing the API Test Kit Testing and Draining Station, perfect for aquarium enthusiasts of all levels. This innovative kit includes a tube holder rack, making it easier to carry out tests and drain water from your aquarium. Designed for use with all water types, this kit measures key parameters such as alkalinity/KH and ammonia, ensuring the health of your fish and plants. Additionally, it measures GH, which is essential for understanding the hardness of your water. The API Test Kit Testing and Draining Station is suitable for both freshwater and saltwater aquariums.