Description
Stable and durable: Made of high quality glass, durable and ensure test result stable, with suction cup design, simple attach it on the wall of your fish tank. Size: The glass drop checker is about 4.5 cm/1.77″ in height, monitor to be installed below the water surface about 10cm, it is recommended not to install too far from the refiner. Apply to: Used to test and monitor the concentrate of the aquarium water plant fish tank, and it suitable for fish tank, aquarium, especially aquatic plants, t
