Hydrometers & Refractometers

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  • Aqua Craft Refractometer Calibration Fluid

    $6.99
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  • PINPOINT Salinity Calibration Fluid

    $7.99
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  • Milwaukee Protective Hardshell Case for Refractometer

    $22.99
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  • Refractometer for Reading Salinity with Calibration Fluid Quick look

    Refractometer for Reading Salinity with Calibration Fluid

    reg. $39.99

    Special Price: $35.99

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  • MA887 Digital Seawater Refractometer - Milwaukee Quick look

    MA887 Digital Seawater Refractometer - Milwaukee

    reg. $114.99

    Special Price: $103.49

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  • PINPOINT Salinity Monitor

    $129.99
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