Milwaukee MA887 Digital Salinity Refractometer with Hard Carrying Case for Refractometer Milwaukee MC311 PRO Conductivity (EC) Controller accurate readings without the need

accurate readings without the need for refilling—ideal for long-term installations

Keep your MW302 and MW402 PRO Conductivity Meters performing at lab-grade accuracy with this precision-engineered replacement probe

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

Milwaukee MA887 Digital Salinity Refractometer with Hard Carrying Case for Refractometer Milwaukee MC311 PRO Conductivity (EC) Controller accurate readings without the needThousands 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