Seachem 3 Pack of pH Alert Devices, Continuously Monitors Freshwater for 3 to 6 Months Each
Special Features
- 3 pack of Seachem pH Alert devices
- No chemicals or test procedures required
- Continuously monitor pH levels in freshwater aquariums or filters
- Each device lasts up to 6 months, 4 times as long as competing products
- A sensor changes color reversibly from yellow to orange to red alerting you to shifts in aquarium pH levels between 5.4 and 8.0
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