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Posted in thread: reading a hydrometer and hydrometer vs. refractometer on 09-14-2011 at 11:41 AM
Hydrometers that are read from the top of the meniscus are usually for specialist fluids of
known and constant surface tension, such as milk; fluids in which you cannot reliably see the
Posted in thread: Hydrometer corrections: a black art? on 09-05-2011 at 08:36 AM
Yes, one might as well use an accurate formula as a less accurate one.However, one has to be a
bit careful here. Some of these tables give density measured in a vacuum, which is not how we
use a hydro...
Posted in thread: Hydrometer corrections: a black art? on 09-05-2011 at 01:52 AM
Dave Line messed up his temperature correction table in his "Big Book Of Brewing". If you are
going to implement a polynomial, you might as well use a polynomial that gives the density of
water at dif...