Milwaukee MA887 Digital Salinity Refractometer with Hard Carrying Case for Refractometer Milwaukee MC311 PRO Conductivity (EC) Controller Hydrologic's reverse osmosis filter tubing

Hydrologic's reverse osmosis filter tubing in blue

To perform a quick cal calibration

Waterproof Design (IP67) – Fully submersible and built to withstand harsh testing environments

always rinse the probe in fresh tap water after every use

soft cheeses (cream cheese

Milwaukee MA887 Digital Salinity Refractometer with Hard Carrying Case for Refractometer Milwaukee MC311 PRO Conductivity (EC) Controller Hydrologic's reverse osmosis filter tubingThousands of saltwater aquarium enthusiasts have dialed in the analysis with Milwaukee's salinity refractometer. No more visual readings. Get a digital readout within seconds accurate to 2 ppt with automatic temperature compensation (ATC). WHAT PEOPLE ARE SAYING "This is a terrific addition and you'll want a digital refractometer if you spend any time at all with saltwater aquariums. Highly recommended." "This is a must for any even remotely serious