BlueLine Salinity Refractometer
For highly precise and accurate measuring of salinity and specific gravity. Measuring only requires a couple drops of test solution. Ideal for use in aquiculture research, public aquariums and for aquarists who wish to obtain accurate measurement of aquarium water. High quality optical refractive lens and superior craftsmanship. Sturdy aluminum alloy construction.
Includes FG100sa salinity refractometer, dropper, calibration key & soft flannel.