The Seachem Alert Combo Ph & Ammonia is a comprehensive monitoring solution designed for aquariums to help maintain a healthy environment for your aquatic life. This convenient combo pack provides continuous, real-time monitoring of both pH and ammonia levels in your tank for up to 6 months. It includes two color-changing indicators: one for pH and one for ammonia, allowing you to quickly identify any fluctuations that could harm your fish and other aquatic creatures. The easy-to-use design makes it simple to track water parameters and prevent any potential issues before they become serious problems. Whether you are a seasoned aquarist or just starting out, the Seachem Alert Combo is an essential tool for keeping your aquarium safe and thriving.