Category Archives: Refractometers

Salinity Meter: Calibration and How to Care for One

Salinity meters, whether hand-held or mounted inside the filter sump, are an easy way to measure salinity in your reef aquarium. Here’s what you need to know about a salinity probe and meter, their calibration and how to care for one.


How to use a Refractometer to Measure Salinity

A refractometer is considered by many to be a more accurate way to measure salinity. In this article we discuss what they are, how to use and calibrate them, with some extra useful tips.