Salinity Refractometer Aquarium and Sea Water Hydrometer Dual Scale 0-100 ppt of Salinity and 1.0 to 1.07 Specific Gravity (0-10%) for Sea Water Aquarium Tank Marine Industry

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This dual scale salinity refractometer is used to measure, monitor and control the concentration of salt water and brine, especially useful for aquarium and marine applications.
This high quality refractometer measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand and replaces your poor quality and difficult to read hydrometer.
Measuring Range: 0-10% Salinity

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