Neptune System Optical Sensor Type:Optical Level Sensor with Magnetic Mount Its rich formula provides all

Its rich formula provides all the necessary nutrients

supporting faster healing and reducing stress

letting the LED lamp stay in the tank and slide aside while you work

Featuring an open front design

Neptune System Optical Sensor Type:Optical Level Sensor with Magnetic Mount Its rich formula provides allThe Neptune System Optical Sensor is a high precision water level sensor used for automated top off and leak prevention within Apex controlled aquariums. Using infrared optical technology, it offers fast and accurate detection of rising or falling water levels. Its compact, solid state design provides superior reliability compared to mechanical float switches, ensuring consistent long term operation.