Neptune Systems - Module Fluid Monitoring Module Heaters & Thermostats high-gloss finish while maintaining the

high-gloss finish while maintaining the safety of your aquatic inhabitants

healthy growth and faster carpet formation

Official calibration fluid for the Neptune Trident Water Analyzer

or other invertebrates

Neptune Systems - Module Fluid Monitoring Module Heaters & Thermostats high-gloss finish while maintaining theThe Neptune Systems Fluid Monitoring Module (FMM) is a versatile, multi function expansion module that enhances your Apex aquarium controller by adding support for a wide range of Neptune sensors and accessories. Whether you're monitoring water flow, detecting leaks, or managing optical level sensors, the FMM provides the connectivity and intelligence needed for advanced automation and protection. With four sensor ports and an accessory power port,