Salinity Refractometer


Measure for salinity. While an appropriate concentration of salts is vital for aquatic plants and animals, salinity that is beyond the normal range for any species of organism will cause stress.

We also sell a salinity meter. The advantage of the refractometer is easy calibration with distilled water and less maintenance. See below for more details.

In stock

Sold By: Water Rangers Store
SKU: WR0019 Category:


Measure salt water or salinity of water, ideal for aquariums and marine monitoring.
Measures on 2 scales, Specific Gravity (D 20/20) and parts per thousand (ppt).
We record ppt on our app, with 35 being the average for the ocean.
Features automatic temperature compensation (ATC)
Comes with hard case, dropper, screwdriver, tube of distilled water and cleaning cloth.

Quick Conversions for Salinity measurements

35 g dissolved salt / kg sea water = 35 ppt = 35 o/oo = 3.5% = 35000 ppm = 35000 mg/l

Additional information

Weight .256 kg
Dimensions 20.5 × 9 × 5.5 cm


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