How To Read A Hydrometer 15 Steps With Pictures
Most homebrew hydrometers are calibrated at 59–60°F (15–15. 6°C ), and most laboratory hydrometers are calibrated at 68°F (20. 0°C). Hydrometers can lose accuracy over time. If you’re using an old tool, you may want to test it first. If testing homebrewed wort, do not contaminate it with a non-sanitized thermometer. Use an adhesive strip thermometer that sticks to the side of the container, or measure a sample instead of the main batch....