Advice on new RV battery maintenance.
Here is the equipment in the stairs of our new RV. The batteries are really corroded but they seem to be holding a charge. I’’d like some expert advice. Should I charge with the negative and positiv...
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Just an FYI, orthophospheric acid is exactly the same thing as phosphoric acid which is the main ingredient in most 'rust converters' which form an iron phosphate layer, aka 'Parkerizing'.
