NEPTUNE SYSTEMS APEX FMM 1/2" FLOW SENSOR (FS50) Alkalinity The DO Probe certified and

The DO Probe certified and sold by Neptune Systems is a lab grade device and costs about 5x the cost of the PM3 module itself

This is the section where the protein skimmer typically sits

the food container has a built-in gasket that seals out all moisture once it is retracted

cables and hoses

Continuous Mode

NEPTUNE SYSTEMS APEX FMM 1/2" FLOW SENSOR (FS50) Alkalinity The DO Probe certified andFMM Accessories Know Your Flow! 1 2" Flow Sensor for the Fluid Metering Module from Neptune. The FS 50 will work with flow rates from 30 250 gph, and will connect to any standard 1 2" Slip PVC. Flow Sensor 1 2 (FS 50) Usually used with aquarium accessories like reactors, carbon GFO filters, etc., this flow sensor can be placed in line with the flow on any pipe, connected to the FMM, and communicate to your Apex the flow rate of water through that