Description
SeaTesT Hydrometer is an easy-to-use scientific instrument that simultaneously measures the specific gravity and density of water in tropical marine aquariums to measure.
It is specially designed to measure the specific gravity from 1.000 to 1.030 and the salinity from 0 – 40 ppt accurately. Unbreakable and easy to clean.
Please note that each of our aquariums contains a free Hydrometer.