Distilled Water
Most motorists are familiar with the advice of car manufacturers to use oniv distilled water for topping up the cells of ear batteries, but few know why this water is necessary, and why it is not possible to uso ordinary rain water. The reason is that most tap water contains chlorine and iron, which, under certain conditions, oauso the formation of growths between the plates of the battery. If these growths develop sufficiently, the battery plates will buckle, will make contact one with the other, and. allow current to leak. It then becomes impossible to keep the battery in a fully charged condition. There are, of course, certain water softeners available, and many car owners believe that they enable tap water to be used. However, while these softeners do improve the water, they do not remove sufficient of the impurities to make the water suitable for use in storago batteries, and it is not wise to emplo3' them. Only distilled water, or rain water which has not come into contact with any metal receptacle, should be used.
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Bibliographic details
New Zealand Herald, Volume LXXVI, Issue 23339, 6 May 1939, Page 12 (Supplement)
Word Count
179Distilled Water New Zealand Herald, Volume LXXVI, Issue 23339, 6 May 1939, Page 12 (Supplement)
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