SeaTest densimeterSeaTest densitometer, description and features:Densitometer
The SeaTest densitometer is an easy-to-use scientific instrument for measuring both the specific weight and density of tropical marine aquarium water.
It is specially designed to accurately measure specific gravity from 1,000 to 1,030 and salinity from 0 to 40 parts per thousand.
Unbreakable and easy to clean.