This salinity (salt) refractometer shows the concentration (percentage) of dissolved salt in water with 2 to 3 drops of a sample. The R9600 can be used to verify and measure salt concentrations in aquariums, holding tanks and breeding ponds.

Features
Measures the concentration of dissolved salt in water (0 to 28% Salinity)
Easy to operate with simple to read scales
Requires only 2 or 3 drops of sample
Automatic Temperature Compensation (ATC)
Prism and lens with a simple focus adjustment provides repeatable results