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Seachem Seachem Ammonia Alert Sensor for Fresh & Saltwater Aquariums
Seachem [11442-503321]

Seachem Ammonia Alert Sensor for Fresh & Saltwater Aquariums

Free Shipping at $75

Seachem 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.

  • Easy visual gauge to monitor ammonia in your aquarium
  • Use in marine or freshwater aquariums
  • Lasts 1 year - No test kits, chemicals, or procedures are needed


Seachem Ammonia Alert 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 and replacement sensors are available.

In the absence of free ammonia the unit will assume a yellow or faint yellow-green color. It is normal for the dry sensor to have a greenish hue. It may take up to a few days for a dry sensor to equilibrate with the water. No sampling of water, chemicals, or test procedures are required. The presence of the free ammonia is detectable continuously with a response time of about 15 minutes. Response to decreasing ammonia is slower, requiring about 4 hours to go from TOXIC to SAFE on removal of ammonia.

Price:$6.54
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$6.54
$11.99
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1 Pack - (Lasts 1 Year)
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Status:In Stock
Model:10
UPC:000116001007
Sku: SC00100
Id: 519879

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