Red Sea Seawater Refractometer
An essential bit of kit for any serious marine fish keeper, calibrated for accurate sea water salinity measurement. The Refractometer from Red Sea measures the absolute salinity of seawater so no more guessing with temperamental needle type hydrometers, get it right every time with the most advanced international standards for seawater salinity measurements.
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Red Sea Seawater Refractometer
An essential bit of kit for any serious marine fish keeper, calibrated for accurate sea water salinity measurement.
The Refractometer from Red Sea measures the absolute salinity of seawater so no more guessing with temperamental needle type hydrometers, get it right every time with the most advanced international standards for seawater salinity measurements.
Measures from 1.010 to 1.030 S.G.Specific Gravity or from 20 to 40 PPT in deviations of only 1.5 PPT.
Calibrated at 25deg C, the normal temperature range for reef aquariums. Ensures an accurate measurement of absolute salinity and conversion to SG. Standard refractometers are only calibrated at 15 deg C.
Easy to read, high-resolution display focused on the relevant range for reef aquariums of up to 40ppt. Also includes automatic temperature adjustment for accurately measuring at any ambient temperature