Given the true salinity of a water sample, this calculator estimates the relative specific gravity (sg)
that a non-temperature-correcting hydrometer will observe when used to sample that water at a temperature
other than the one it was calibrated at.
For example if a 77F/25C calibrated hydrometer is used to measure water with a salinity of 1.026 and
at a temperature of 86F/30C, the hydrometer will actually observe 1.0244 rather than 1.026.
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