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 from yellow to orange to red alerting you to shifts in pH levels between 5.4 and 8.0. Freshwater use only.
- Continuously monitors pH in freshwater
- Seachem sensor technology
- No tests, no strips
- Lasts up to 4 times as long as competing products
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