A bit confusing how to use it, but very useful once you understand it.
Quality: 4
Value for money: 4
Sold by Finest Aquatics
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Hydrometer
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 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.
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