YEME Automatic Temperature Compensation Salinity Refractometer Salt Water Aquarium 0% - 10% & 1.0 to 1.070 S.G.
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<b>[Product Information]</b><br>
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<li>Measure salt water or salinity of water, ideal for aquariums and marine monitoring</li>
<li>Measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand</li>
<li>Features automatic temperature compensation (ATC)</li>
<li>Comes with hard case, dropper, screwdriver and cleaning cloth</li>
<li>High quality and accurate testing result</li>
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