In most industrialized countries, a phaseout of TEL from road vehicle fuels was completed by the early 2000s because of concerns over air and soil lead levels and the accumulative neurotoxicity of lead.
Do not use tap water. Tap water contains minerals that are harmful to golf cart batteries. Distilled water will extend the life of your batteries. 4. Put on gloves and goggles for protection before removing the plastic caps. Remember the cells are filled with acid. A handy battery filler is the Plews Automatic Shut-Off battery filler.
After rinsing if there is still deposits of battery acid spray again with the baking soda solution or cleaner and let it sit for at least 5 minutes before rinsing; repeat if required. These deposits on the batteries must be removed because they can cause your golf cart batteries to self discharge.