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hydrometer
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 Related Terms
SG
specific gravity

 
Definition:
    hy·drom·e·ter - noun> An instrument used to measure the specific gravity (SG) of a fluid.
     

    Related Resources:

    Testing Your Aquarium Water
    Taking the time to test your saltwater aquarium water whether it is a fish-only or reef tank system is a very important part of maintenance, as it gives you an analysis of the condition or quality of the environment your marine inhabitants are living in.

     
     


     

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