SALINITY METERS & REFRACTOMETERS (24)
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  • Premium Aquatics Refractometer
    $39.99
    No reviews

    Premium Aquatics RHS-10ATC Salinity Refractometer Used for Reef Tank Aquariums, Marine Habitats, Aquaculture and Environmental Experts! Product Specs * Ranges:...

  • Hanna HI 98319 Waterproof Salinity Tester
    $89.99
    No reviews

    Designed to bring simplicity to salinity testing during the any process, the HI98319 Marine Salinity Tester measures conductivity (EC) to...

  • Milwaukee Digitial Seawater Refractometer
    $175.00
    No reviews

      PSU PPT S.G. (20/20) Celsius (Fahrenheit) Range: 0 to 50 0 to 150 1.000 to 1.114 0 to 80C...

  • 28ppt Salinity Calibration Fluid (100mL)
    $15.99

    OUT OF STOCK

    No reviews

    Single-Use 28 PPT Seawater Reference For precise calibration of refractometers, hydrometers, and salinity/conductivity equipment, CoralVue Salinity Reference Solution is highly...

  • Coralvue 35ppt Salinity Calibration Fluid (100mL)
    $15.99

    OUT OF STOCK

    No reviews

    Single-Use 35 PPT Seawater Reference For precise calibration of refractometers, hydrometers, and salinity/conductivity equipment, CoralVue Salinity Reference Solution is highly...

  • Hanna 35ppt Salinity Calibration Solution - 5 pack
    $6.95
    No reviews

    5 x  Single Pack of Fluid (5 packets total)   HI70024P is a premium quality 35.00 ppt salinity calibration solution...

  • Hanna 35ppt Salinity Calibration Solution - 1 pack
    $1.39
    No reviews

    1 Single Pack of Fluid   HI70024P is a premium quality 35.00 ppt salinity calibration solution that is NIST traceable...

  • Red Sea Seawater Refractometer
    $74.99

    OUT OF STOCK

    No reviews

    Red Sea’s Seawater Refractometer offers exceptional accuracy, for measuring the absolute salinity of seawater at a temperature of 25oC/77 0F....

  • Hanna 35ppt Salinity Calibration Solution - 25 pack
    $32.99
    No reviews

    1 Full Box of 25 Single Packs   HI70024P is a premium quality 35.00 ppt salinity calibration solution that is...

  • Brightwell Aquatics Refractometer Calibration Standard 60 ml
    $6.13

    OUT OF STOCK

    No reviews

    1.0264 Specific Gravity 1.3394 Refractive Index 35 ppt Salinity 53 uS/cm at 25 deg c Overview Brightwell Aquatics Aquarium Reagents...

  • Protective Case for Milwaukee Refractometers
    $44.00
    No reviews

    Protective Case for Milwaukee Refractometers

  • Hydros Control X3-S Salinity (Controller Only)
    $247.49
    No reviews

    CONTROLLER ONLY. Requires a mobile device and power supply (not included) and a Salinity Probe Kit for conductivity monitoring (also...

  • Hydros IV PRO
    $219.99
    No reviews

    Isolation is the Key to Accurate Tests About HYDROS iV PRO Drive Port Accessory To obtain precise pH and conductivity...

  • Tropic Eden True Seawater Refractometer
    $59.99

    OUT OF STOCK

    No reviews

    Thank you for choosing Pro-1 Normal Seawater Refractometer of Tropic Eden. In this instruction manual you will find clear information...

  • Sybon HD Refractometer Atc
    $54.99
    No reviews

    Sybon Heavy Duty Model is one of the most robust models available. You can feel the difference in weight by...

  • Hanna Digital Seawater Refractometer
    $249.99
    No reviews

    The HI96822 is a rugged, portable digital refractometer designed for the measurement of salinity of natural or artificial seawater. The...

  • Hanna HI 98319 Waterproof Salinity Tester- OPEN BOX RETURN
    $63.99 $79.99
    No reviews

    OPEN BOX RETURN- SAVE 20% SEEMS UNUSED BUT MIGHT HAVE SOME MISSING REAGENTS   Designed to bring simplicity to salinity...

  • Dymax Refractometer
    $71.49
    No reviews

    Easy to Read Dymax RF-20 Sea Water Refractometer Salinity refers to the amount of salt concentration in water. Different salt...

  • Hydros Salinity Kit
    $137.49

    OUT OF STOCK

    No reviews

    Lab Grade Salinity/Conductivity Probe Kit Keep track of the salinity in your marine aquarium with the CoralVues HYDROS Salinity Kit....

  • Hanna Marine Monitor 981520 pH/Salinity/Temperature
    $299.99
    No reviews

    Hanna Marine 981520 Monitor  Marine Monitor pH, Marine Salinity and Temperature Testing and monitoring salinity in saltwater aquariums is an...

  • Seaside Aquatics Salinity/Temperature/TDS Digital Pocket Tester
    $79.99
    No reviews

    Same as most digital meters, this meter apply a work theory which is measuring the liquid conductance to determine its...

  • D-D Seawater Refractometer
    $69.99
    No reviews

    D-D True Seawater Refractometer   Hand held instrument for the measurement of the TRUE Salinity and Specific Gravity (S.G.) of...

  • Two Little Fishes AccuraSea Reference Solution 250ml
    $12.77
    No reviews

    Two Little Fishies AccuraSea Seawater Reference Do you think it’s important to maintain salinity precisely? We’re with you. That’s why...

  • American Marine Pinpoint Salinity Monitor w/probe
    $140.00
    No reviews

    PINPOINT Salinity Monitor will accurately and immediately measure the amount of salt in any marine or freshwater system. The reading...