Black Base TEST JAR 14″ BEAKER PLASTIC TRIAL JAR For use with hydrometer to test fermenting beer or wine

Here’s a handy and inexpensive piece of equipment you ought to have. This test jar from LD Carlson used to make taking specific gravity readings much easier.  This food grade plastic ‘beaker’ is used to hold a sample pulled from your homebrew so that a hydrometer can be floated in it.  It is easy to read the hydrometer at eye level and you can clearly see the meniscus to measure the alcohol or possibility of alcohol.