Neptune Systems - 1" Flow Sensor Filter Media Foam & Mesh Bags Lifespan: Replace every 6-8 weeks

Lifespan: Replace every 6-8 weeks for best results

Highly resistant to fouling and contamination in reef environments

KH is <1 dKH—this is dangerously low

8hr and 10hr periods

Neptune Systems - 1" Flow Sensor Filter Media Foam & Mesh Bags Lifespan: Replace every 6-8 weeksThe Neptune Systems 1" Flow Sensor offers accurate, real time flow measurement for aquarium systems running return pumps, closed loops, reactors, or UV sterilizers. Designed to integrate seamlessly with the Neptune FMM (Fluid Monitoring Module) and Apex controllers, this sensor helps aquarists monitor critical flow data and automate system responses based on real world conditions. Built with high quality materials and precision internal components,