reim0027
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- Apr 19, 2008
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In one of the threads, I read you have to have a hydrometer that is calibrated to measure the SG. Is that true?
From my understanding, the hydrometer measures density. It is set against pure water as a base unit, 1. Then it measures densities of water, so 2.0000 would be twice as dense as water, where 1.050 would be 1.5 times as dense.
Based on that understanding, any hydrometer should work (as long as it is set to read the SG range you are looking for), not just one calibrated for the sugar.
From my understanding, the hydrometer measures density. It is set against pure water as a base unit, 1. Then it measures densities of water, so 2.0000 would be twice as dense as water, where 1.050 would be 1.5 times as dense.
Based on that understanding, any hydrometer should work (as long as it is set to read the SG range you are looking for), not just one calibrated for the sugar.