AQUARIUM SYSTEMS SeaTest Densimeter
AQUARIUM SYSTEMS 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.
This salinity testers 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.
Unbreakable and easy to clean.
Read the instruction at back side before use.