Seachem Ammonia Alert

    Provides a constant visual reading for toxic ammonia.   Uses:  Ammonia Alert™ is a great aid for novice and veteran aquarists alike.  It provides a constant visual reading of toxic ammonia, the number one killer of aquatic animals in an aquarium setting.  Having this product provides peace of mind and enables faster reactions to ammonia spikes, which are a serious emergency for your aquarium that must be dealt with immediately. Consider using with our other Seachem products!   From the manufacturer:  Ammonia Alert™ is an innovative color device for continuously detecting and monitoring toxic-free ammonia.  A sensor changes reversibly from yellow to green to blue, relative to the ammonia concentration. No test kits, chemicals, or procedures are needed.  The device detects less than 0.05 mg/L (ppm) free ammonia and alerts you to the #1 killer before any sign of stress. It lasts over a year.  Marine or freshwater use. In the absence of free ammonia the unit will assume a yellow or f