Aquarium Salinity Refractometer


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Dual scale salinity refractometer Saltwater Hydrometer Digital is used to measure, marine monitoring and control the concentration of saltwater and brine, especially useful for fish tank, seafood water tank, salty pools & spas, aquarium and marine applications, education purpose or agricultural





  • Measure Salt Water or Salinity of Water, Monitor and Control the Concentration of Salt Water and Brine, Ideal for Aquariums and Marine Applications.
  • Specific Gravity (D 20/20) and parts per thousand and replaces your poor quality and difficult to read hydrometer.
  • Density Measurement Range:1.0-1.070, Minimum Scale is 0.001.
  • Concentration Measurement Range: 0-100‰, Minimum Scale is 1‰.
  • Automatic Temperature Compensation: 0-10°C.



Package Included:


  • 1 x Handheld Salt Water Tester
  • 3 x Plastic Pipette
  • 1 x Mini Screw Driver
  • 1 x User Manual
  • 1 x Cleaning Cloth


We process orders between Monday and Friday. Orders will be processed within 2 business days of ordering and shipped the next day after the processing day. Please note that we don't ship on weekends. 


The approximate shipping time accords to each country:

United Kingdom, United States, Canada, Australia: You can expect your package to arrive in 3 to 7 working days.

Others: 10-20 working days.

*Please note that these are estimated delivery times only, therefore we are not guaranteeing delivery dates.

Please ensure all delivery information is correct. If there is incorrect and/or missing information, we may be required to contact you to update the delivery information, which may cause delays in delivering your order. Delays may also occur as a result of customs clearance.

Your local customs office may require additional documents and time to clear your package, which may delay the estimated delivery time. 

Your order may be delivered to you by either the local post office or a local courier. Depending on your area, most orders will be delivered by your local post service, so the package will be received with your regular mail. If you are not home when the delivery is made, a notice card may be left by the postal service to advise on how and where your delivery can be collected.

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