GHL Contactless Optical Level Sensor for Aquarium Controller System drinking it has become exhausted and

it has become exhausted and should be replaced with fresh CDX

fun-nel tubes

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Back To Nature's classic Amazonas design with a fascinating 3D effect in a space-saving module

making it a "gold standard" in the hobby

GHL Contactless Optical Level Sensor for Aquarium Controller System drinking it has become exhausted andGHL offers a contactless level sensor (also referred to as an optical sensor) designed for use with their ProfiLux aquarium controllers. This sensor detects water levels through the aquarium glass or a container wall without having any parts inside the liquid, protecting it from soiling and corrosion. Features and Applications: Non Contact Operation: The primary advantage is that the sensor is installed on the outside of the non metallic container,