Why is distilled water used in car batteries instead of tap water?
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Distilled water is recommended for batteries as tap water usually has other elements in it (dissolved minerals etc.........Tap water contains a plates inside a lead acid battery, causing the battery to lose its capability to produce power and store electricity.
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Answer:
Using distilled or deionized water is recommend because it is free from additional minerals you would find in water such as regular tap water. Adding chemicals and minerals can significantly decrease the life of batteries. ... Never add additional acid or electrolyte solution, this can also diminish the battery life.
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