Salinity Tester HI98319 fish FMM Module

FMM Module

finicky eaters

The Neptune DOS Replacement Head assembly comes with everything to replace the current fluid metering head on your DOS system

Reef Safe Yes - with caution Water Parameters

5 Gallon - Fills 6 standard 10" refillable cartridges

Salinity Tester HI98319 fish FMM ModuleDesigned for Simple Aquarium Salinity Testing Hanna Instruments HI98319 Marine Salinity Tester measures electrical conductivity (EC) to determine the salinity of natural and artificial seawater. Within seconds, the salinity and temperature are measured, and then using the temperature reading, automatically compensated and displayed on the easy to read LCD screen. Ensuring the proper salinity in your reef tank allows your fish and corals more time to