Seachem Combo Alert Pack 1 Year
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 (ppm) free ammonia and alerts you to the number 1 killer before any sign of stress. It lasts over a year. Marine or freshwater use. pH Alert is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly to alert you shifts to in pH levels between 5.4 and 8.0. No tests, no strips, just constant readings. Freshwater Only.
Browse all deals at
See more in
See more from Penn Plax
* This offer may contain time-sensitive information and offers. Please check with Petco to confirm actual price & availability.