Is the FMM needed to run the magnetic optical sensor (MOS)? I intend to use it to turn off my skimmer when cup is full.
Bought this:
and it included the MOS, but the package does not include an FMM ---what the heck?
Bought this:
A3 Apex Aquarium Controller System
Empowering Aquarists with Critical Monitoring and Precision Control Unrivaled Control and Monitoring Cutting-Edge Connectivity Simplified User Experience Add Safety and Reliability to Your Aquarium Future-Proof Expandability Unrivaled Control and Monitoring Headlined by the A3 Apex base...
www.bulkreefsupply.com
and it included the MOS, but the package does not include an FMM ---what the heck?