Well, I just lost my third hydrometer since starting homebrewing about 2 years ago. The first one I lost to the kitchen floor, the second one I lost to a carboy, and this one I lost to a wrench. How many hydrometers has everyone else lost from being in too big of a hurry to put away the ever so fragile hydrometer right after using it? We can keep the death toll here, starting with me.
Hydrometer death toll: 3
Hydrometer death toll: 3