The SeaTest densimeter is an easy to use scientific instrument that is used both to measure the specific weight and the density of the water in tropical marine aquariums.
• It is specially designed to provide accurate measurements of specific weight from 1.000 to 1.030 and salinity from 0 to 40 parts per thousand.
Premium Aquatics RHS-10ATC Salinity Refractometer Used for Reef Tank Aquariums, Marine Habitats, Aquaculture and Environmental Experts! Product Specs * Ranges:...
Single-Use 28 PPT Seawater Reference For precise calibration of refractometers, hydrometers, and salinity/conductivity equipment, CoralVue Salinity Reference Solution is highly...
Single-Use 35 PPT Seawater Reference For precise calibration of refractometers, hydrometers, and salinity/conductivity equipment, CoralVue Salinity Reference Solution is highly...