Seachem Ammonia Alert Sensor for Freshwater & Marine, 1 Count Part # 00100

Seachem Ammonia Alert Sensor for Freshwater & Marine, 1 Count Part # 00100

• Freshwater and Marine
• Continuously monitors Ammonia
• No tests no strips
• Detects less than 0.05 mg/L (ppm) free ammonia and alerts you
• Changes from yellow to green to blue
• Provides 1 year of ammonia detection In the absence of free ammonia