Oct 28, 2001
a Very Helpful Review
by the Epinions community
Pros: Simple! Inexpensive, easy to use and easy to read!
Cons: Not very durable, affected by temperature, won't give precise readings.
Summary: The Aquarium Systems SeaTest Hydrometer is basically a tool used to determine the salinity, or concentration of salt in the water. It accomplishes this by measuring the density of the water. The actual measurement is called specific gravity.
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