23 Inch LLS Liquid Level Sensor

Neptune Systems LLS – Liquid Level Sensor Achieve precise, continuous water level monitoring with the 23" Neptune Systems LLS Sensor. Unlike traditional float or optical sensors, the LLS measures exact vertical depth in real-time, delivering centimetre-accurate readings directly to your Apex controller. Perfect for larger sumps, AIO systems, and deep reservoirs, this sensor tracks evaporation patterns, monitors dosing consumption, and triggers automated alerts or corrective actions via Apex Fusion. View live data and historical trends through intuitive graphs and visual animations to detect abnormalities instantly. Compatible with Apex A2 and A3 Series controllers (requires FMM module). Includes mounting clip for straightforward installation. Ideal for serious aquarists seeking advanced system stability and control.