Buy a pack of cheap aprons and use those when messing with dirty things and acid. Remember your shop teacher always wore an apron of some sort as did my chemistry teacher.
Eye protection for sure. Just rinse the tops of the batteries off after you are done testing. Do rinse the hydrometer well or the hose will rot quickly.
H/R Endeavor 2008
Ford F150 toad >Full Timers
Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008