A hydrometer<span> or areometer is an instrument that measures the specific gravity (relative density) of liquids—the ratio of the density of the liquid to the density of water. A </span>hydrometer<span> is usually made of glass, and consists of a cylindrical stem and a bulb weighted with mercury or lead shot to make it float upright.</span>
A hydrometer<span> or areometer is an instrument that measures the specific gravity of liquids, the ratio of the density of the liquid to the density of water.</span><span> Hope this helps! Stay smart, ~{Dunsforhands}</span>
