ALERT COMBO PACK 1 AN Seachem sensor technology. Continuously monitors ammonia and pH in freshwater. No test, no strip. One-year shelf life Ammonia Alert and pH Alert feature a sensor that reversibly changes color in response to changes in freshwater ammonia and pH levels. Place them in your aquarium and access your values instantly. No chemicals...

AMMONIA ALERT-. No tests, no strips. Continuously monitors free ammonia. Marine and freshwater. Ammonia Alert is an innovative color-changing sensor for detecting and monitoring toxic free ammonia. A sensor reversibly changes from yellow to green to blue, depending on the ammonia concentration. No test kit, chemical or procedure is required. The...

Profesional Calcium Test Kit As one of the leading seawater analysis laboratories, our goal was to develop a professional solution for direct control of the most important aquarium parameters. The new ATI test kits are made for the sophisticated aquarist, who knows the value of highest accuracy and easy handling.