ASF Reef Evolution Hydrometer

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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 s pecially designed to provide accurate measurements of specific weight from 1.000 to 1.030 and salinity from 0 to 40 parts per thousand. • Unbreakable and easy to clean. Show more