Seachem 3 Pack of pH Alert Devices, Continuously Monitors Freshwater for 3 to 6 Months Each update_march2023 Other handy functions: 1

Other handy functions: 1

Thread Diameter 1/2 Inch

With an intelligent power saving function

Visualized Large LCD Display Large LCD Display Screen Provides You a Clearer and Wider Field of View

Scrubs for Women Set - Stretch V-Neck Scrub Top & Jogger Pant with 8 Pockets

Seachem 3 Pack of pH Alert Devices, Continuously Monitors Freshwater for 3 to 6 Months Each update_march2023 Other handy functions: 1Seachem 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