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

    …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

    …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

    …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

    Test your aquariums water temperature and salinity within seconds with the IceCap Digital Pocket Tester! Utilizing electronic conductivity, the IceCap Digital Pocket Tester can instantly display your aquariums specific gravity or salinity of natural or artificial seawater. With the…

    $79.99 $54.99

    …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

    …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 $749.99

    …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

    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

    …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 $399.99

    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:
    $1.05

    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

    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

    BRS 6 Stage RO/DI Systems are capable of handling almost any type of water your house may have and polishing it down to 0 TDS. Each system comes with dual Universal Carbon Blocks and Dual Color Changing DI stages, making it the perfect RO/DI system for almost any type of city water treatment…

    Starting at:
    $289.99

    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

    …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:
    $5.49

    …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

    Why Does BRS Recommend This? If you have hard to remove contaminants, your city uses chloramines, or you just are not sure what is in your water the BRS 7 Stage Pro Plus RO/DI system is the perfect solution to make ultra-pure water for your saltwater aquarium. The Triple DI Saver system uses…

    Starting at:
    $339.99

    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

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

    $23.99

    …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:
    $43.17

    This kit is designed to treat all major water sources including well water and water treated with chloramines or chlorine. This kit will work with all BRS 6 Stage RO/DI Systems and most other RO/DI units on the market today that use industry standard 10” filters. GE ROSave.Z 1 Micron Depth Filter…

    $59.99

    …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 $649.99

    …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

    …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

    …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

    …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

    …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 $649.99

    This kit is designed to treat all major water sources including well water and water treated with chloramines or chlorine. This kit will work with all BRS 7 Stage Pro RO/DI Systems and most other RO/DI units on the market today that use industry standard 10” filters and have three DI stages for the…

    $69.99

    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
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