Seachem 3 Pack of pH Alert Devices, Continuously Monitors Freshwater for 3 to 6 Months Each update_march2023 Camera connects to computer via

Camera connects to computer via included USB 2

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Seachem 3 Pack of pH Alert Devices, Continuously Monitors Freshwater for 3 to 6 Months Each update_march2023 Camera connects to computer viaSeachem 3 Pack of pH Alert Devices, Continuously Monitors Freshwater for 3 to 6 Months Each Seachem 3 Pack of pH Alert Devices, Continuously Monitors Freshwater for 3 to 6 Months Each Product Features 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