SEACHEM - Ph Alert 6 Month - (159.0010)

Continuously monitors pH in freshwaterSeachem sensor technologyNo tests, no stripsLasts up to 4 times as long as competing productspH Alert® is a unique color device designed to be placed in the aquarium or filter and monitor pH continuously. A sensor changes color reversibly from yellow to orange to red alerting you to shifts in pH levels between 5.4 and 8.0. Freshwater use only.