Aquarium Systems - Aquarium Hydrometer - SeaTest Densimeter

The Aquarium Systems Hydrometer 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.

Features:

• Easy-fill convenience keeps hands dry when filling.
• It has a durable, permanent needle mount and easy-read 2-color scale with safe zone and an extra-wide stabilizer base.
• Ideal for use in water temperatures of 68 - 85 degrees F (20°C - 29°C).
• Unbreakable and easy to clean