Combo Alert Pack (pH and Ammonia)
Ammonia Alert and pH Alert employ Seachem Sensor Technology: a sensor changes color reversibly to alert you to shifts to ammonia levels and shifts in pH respectively.
Includes a 1 year supply. You get one 1 Year Ammonia Alert and one 6 Month pH Alert (and one pH refill).
Ammonia Alert detects and continuously monitors free ammonia in marine or freshwater aquaria. Simply place it in the aquarium (using the provided suction cup) and read anytime. It will correctly read free ammonia levels when ammonia removers are in use. The unit consists of a waterproof reference color card and a sensor. The sensor, located in the center of the reference scale, changes reversibly from yellow to green to blue relative to the ammonia concentration
The Seachem 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 to shifts in pH levels between 5.8 and 8.6
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