Refractometer

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    …using a hydrometer and have never tried a refractometer then you should really invest in one.  They use much less water, and can easily be calibrated for accurate repeatable readings.  For the most accurate readings  you will want to calibrate the refractometer to the solution you will be reading,…

    $34.99 $29.74

    …the oldest of the 3 seawater measurements scales S.G. - The current standard of Specific Gravity hydrometers and refractometers.   The Milwaukee Instruments MA887 digital refractometer is easy to calibrate and easy to read and provides highest accuracy possible for the measurement of seawater 3…

    $124.99 $112.49

    …Lighting Conditions! Refractometers are a must-have piece of equipment for any aquarists! Easily and accurately measure the salinity of your tank and with the built-in LED light, your readings will be consistent no matter the type of ambient light source. Each LED Refractometer has ATC (automatic…

    $39.99 $33.99

    …to grow instead of having to adjust to constant salinity changes. If you have a hard time seeing the fuzzy blue line common with traditional refractometers, or just want to make your life easier, pick up a Hanna HI98319 Salinity Testing Pen! Comes with calibration solutions ensuring proper readings…

    $69.00 $58.65

    …your current cover, slide it off the refractometer and slide on the new one. Once the new cover is on, just press it down against the prism and tighten the set screw.   Suggested Refractometer Body Diameter - 0.965" (24.6mm) Works with BRS Refractometers Compatible with other brands Can be replaced…

    $4.99 $4.24

    Quickly and accurately get a digital readout of the salinity and temperature of your aquarium water. Seawater contains a variety of elements that will contribute to the overall specific gravity of the water. Many digital salinity meters are calibrated to read a sodium chloride only or brine solution…

    $69.99 $59.49

    …It is suggested to calibrate refractometers once a month or whenever the ambient light may change.    Refractometer Calibration Instructions: 1. Shake well! 2. Clean any watermarks or stains off the refractometers prism with a soft cloth 3. Add enough BRS Refractometer Calibration Solution to cover…

    $6.99 $5.94

    Salinity / Conductivity Probe – Lab Grade Start measuring salinity in your tank and get alerts when it is out of range. Replace an old probe Add salinity monitoring to your system via the Salinity Module: PM2     Start measuring salinity in your tank and get alerts when it is out of range. Replace…

    $124.95

    Why does BRS recommend this? Having the ability to monitor the salinity of your reef tank is a very valuable piece of information.  Usually, if something is to go wrong with your tank, you will usually see a change in salinity from temp, to a top off unit being stuck on, if you have a Neptune Apex…

    $84.95

    …occur.  When you have added almost all of the salt and the mixture is fully dissolved and clear, start measuring the specific gravity with a refractometer or similar instrument. Keep adding small amounts of salt until the specific gravity is the value you desire. The specific gravity of the sea salt…

    Starting at:
    $43.17

    NIST Traceable Salinity Calibration Hanna HI70024P Salinity Calibration Sachets are perfect for any conductivity probe or pen. The single-use sachets are made of light-blocking foil that prevents oxidation, ensuring the solutions are as fresh as the day it was packaged. Each sachet is marked with a…

    Starting at:
    $0.89

    …Care Magnet Finnex HMA-S 150W Heater 2oz Dr.Tim's One & Only Nitrifying Bacteria  HW MarineMix Salt (makes up to 160 gallons) BulkReefSupply Refractometer Sicce Voyager Nano Powerhead (530 GPH) Hikari Marine S Fish Food Innovative Marine MicroMag Glass Cleaner   Nuvo Fusion PRO 30 Gallon PRO Glass…

    $778.32 $661.57

    Protective hardshell case from Milwaukee Instruments. Store your refractometer or photometer

    $23.99 $21.59

    …Bio-Actif Salt.    When you have added almost all of the salt and the mixture is fully dissolved, start measuring the specific gravity with a refractometer or similar instrument. Keep adding small amounts of salt until the specific gravity is the value you desire. The specific gravity of the sea…

    Starting at:
    $46.73

    …of RO/DI water. Stir the mixture vigorously until it is fully dissolved and clear. Once the solution is transparent check the salinity with a refractometer and then it can be used right away.   Note: We highly recommend heating your freshly made saltwater to match your tanks temperature, allowing…

    Starting at:
    $36.99

    PINPOINT Salinity Calibration Fluid is 53.0 mS standardized fluid for calibrating PINPOINT Salinity Monitors as well as refractometers. PINPOINT Salinity Calibration Fluid calibrates to sg 1.026 or 35ppt.

    $8.99 $7.64

    The American Marine PINPOINT Salinity Monitor will immediately give an accurate measure of salt levels in any aquarium. The reading is fully temperature compensated. With proper care this PINPOINT Salinity monitor should last a lifetime. PINPOINT Salinity Monitor Features: Includes conversion…

    $129.99 $110.49

    …the water at the same time. With a 0.1ppt resolution, once you start using the Hanna HI98319 Salinity Testing Pen, you will never look through a refractometer ever again.   What’s Included? 1x HI772 dKH Alkalinity Checker 1x HI758 Calcium Checker 1x HI774 ULR Phosphorus Checker 1x HI98319 Salinity &…

    $255.00 $204.00

    …Care Magnet Finnex HMA-S 150W Heater 4oz Dr.Tim's One & Only Nitrifying Bacteria  HW MarineMix Salt (makes up to 160 gallons) BulkReefSupply Refractometer Two Sicce Voyager Nano Powerhead (530 GPH) Hikari Marine S Fish Food Innovative Marine MicroMag Glass Cleaner   Nuvo Fusion PRO 40 Gallon Glass…

    $860.11 $731.09

    …Care Magnet Finnex HMA-S 50W Heater 2oz Dr.Tim's One & Only Nitrifying Bacteria  HW MarineMix Salt (makes up to 160 gallons) BulkReefSupply Refractometer Sicce Voyager Nano Powerhead (530 GPH) Hikari Marine S Fish Food Innovative Marine MicroMag Glass Cleaner   Nuvo Fusion PRO 10 Gallon Glass All…

    $448.52 $381.24

    …Care Magnet Finnex HMA-S 50W Heater 2oz Dr.Tim's One & Only Nitrifying Bacteria  HW MarineMix Salt (makes up to 160 gallons) BulkReefSupply Refractometer Sicce Voyager Nano Powerhead (530 GPH) Hikari Marine S Fish Food Innovative Marine MicroMag Glass Cleaner   Nuvo Fusion PRO 20 Gallon Glass All…

    $593.42 $499.99

    …if you want to keep coral, you can know that they will have everything they need from the salt to be healthy and grow.    Bulk Reef Supply Refractometer with Calibration Solution Easily and quickly measure the salinity of your freshly mixed saltwater or the aquarium water. By just taking a few…

    $681.97 $579.67

    …It is suggested to calibrate refractometers once a month or whenever the ambient light may change.    Refractometer Calibration Instructions: 1. Shake well! 2. Clean and dry the refractometer prism with a soft cloth. 3. Place several drops of Brightwell's Refractometer Calibration Solution on the…

    Starting at:
    $4.67

    …confident your results are consistent and accurate. Test validity of new test kits Verify abnormal or unexpected test results Test old test kits that have been stored away Check expired reagents for accuracy Calibrate your refractometer   What’s Included 1x 100ml Fauna Marin Multi-Reference Solution

    $19.99 $16.99

    …occur.  When you have added almost all of the salt and the mixture is fully dissolved and clear, start measuring the specific gravity with a refractometer or similar instrument. Keep adding small amounts of salt until the specific gravity is the value you desire. The specific gravity of the sea salt…

    Starting at:
    $40.95

    53000 µS Conductivity Calibration Solution - Use this calibration solution to calibrate your Conductivity Probe and PM2 for saltwater salinity monitoring applications. Conductivity probes can be used for many different functions from letting you know the salinity of a tank to the quality of RODI…

    $2.95

    …of RO/DI water. Stir the mixture vigorously until it is fully dissolved and clear. Once the solution is transparent check the salinity with a refractometer and then it can be used right away.   Note: We highly recommend heating your freshly made saltwater to match your tanks temperature, allowing…

    Starting at:
    $52.99
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