http://www.brewersfriend.com/hydrometer-temp/
this is is a handy tool, no need to cool your wort to take a gravity reading, just get the temp and the reading and plug it in for your temp corrected reading.
http://www.brewersfriend.com/hydrometer-temp/
this is is a handy tool, no need to cool your wort to take a gravity reading, just get the temp and the reading and plug it in for your temp corrected reading.