The water here is not hard. The new Hall radiator is brass/copper so I thought it would last longer than 1year before leaking. Not likely that corrosion is a problem. Like RRS1 replied its possibly just a bad radiator. If so I have no luck now on my 3rd radiator and maybe needing to buy another one. Would like to eliminate all issues if any with my car that could be causing radiator leaks.
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