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Water Changes

Budget Series - When, How & WHY to do a Water Change

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  • HI98319 Salinity & Temperature Tester - Hanna

    HI98319 Salinity & Temperature Tester - Hanna

    Hanna Instruments

    $79.99
    We are pleased to announce our NEW HI98319 waterproof salinity and temperature tester! Waterproof and floats! Includes 4x of the Salinity Calibration Fluid Packets. Automatic Calibration – A 35.00 ppt solution is used for calibration and...