Seachem One Year Combo Alert: Advanced Aquarium Monitorin...

Seachem One Year Combo Alert uses Seachem water sensor technology to continuously monitor ammonia and freshwater pH in your aquarium for an entire year no tests or strips required. All you have to do is hang it in your tank!. Continuous freshwater pH and ammonia readings No strips no tests just constant readings Easy monitoring - just hang in your tank Ammonia Alert: The sensor automatically detects free ammonia at levels less than 0.05 mg/L (ppm) and alerts you to the presence of the primary killer of fish before it reaches hazardous levels and causes signs of stress. In the absence of free ammonia the sensor will assume a yellow color and will move to green and blue as more ammonia is detected. Ammonia is detected continuously with a response time of just 15 minutes allowing you to respond immediately and avoid further increases. Ammonia Alert lasts over 9 times as long as competing products and is only about half the size. pH Alert: pH is constantly monitored with a sensor that alerts you to shifts