: Places that sell car batteries or engine coolant almost always carry demineralized water, as it is required for topping up lead-acid batteries.
Unlike tap water, which contains minerals like calcium and magnesium, demineralized water has been processed to remove these ions. According to manufacturers like Haven Lab, this makes it a "true blank slate," ensuring: demineralized water where to buy
: Crucial for industrial machinery and car radiators where minerals can cause rust. : Places that sell car batteries or engine