10" sample jar fits most standard and triple-scale hydrometers. One-piece construction means no need to worry about stocking the correct number of different parts, and no chance of leaky seals.
10" Plastic Hydrometer Test Jar
$4.99
10" sample jar fits most standard and triple-scale hydrometers. One-piece construction means no need to worry about stocking the correct number of different parts, and no chance of leaky seals.