Ensure proper carbonate hardness levels in your aquarium with the API Aquarium Water Test Kit specialized for KH hardness testing. By accurately measuring carbonate hardness, this kit assists in maintaining a stable pH and buffering capacity for optimal water conditions. Its user-friendly instructions make testing simple and hassle-free. Specifically designed to test carbonate hardness (KH) levels in aquarium water Enables aquarium owners to maintain stable pH levels and buffer against pH fluctuations Features clear instructions and color-coded test solutions for easy and reliable KH testing, providing essential information for maintaining a healthy and stable aquatic environment