NEPTUNE SYSTEMS APEX FMM OPTICAL LEVEL SENSOR V2 WITH MAGNETIC MOUNT OS-1-M Probes The DŌS takes it from

The DŌS takes it from there and figures out what speed to run the pump and the exact amount of fluid will be dispensed over that timeframe

When combined with the DOS (available separately) it creates a fully automated system for the proper dosing of supplements

and other harmful pathogens

Automatic shut off when dry

or iOS alert)

NEPTUNE SYSTEMS APEX FMM OPTICAL LEVEL SENSOR V2 WITH MAGNETIC MOUNT OS-1-M Probes The DŌS takes it fromOptical Level Sensor (OS 1 M) Optical sensors are the go to sensor if you want a reliability over a long period of time. The Neptune Optical Sensor plugs directly into the FMM allowing you to monitor the level of your sump, mixing station, or any other reservoir that has up to 1 4" thick walls. Includes Magnetic Mount This sensor plugs into your FMM and, using reflected infrared light, will signal your Apex when it changes state from being wet to dry