Thread: Repairing a rusted swamp cooler
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dpb
 
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Default Repairing a rusted swamp cooler

wrote:
Al,

As far as I know the converter only comes in aerosol form. ...

Nope, it comes in liquid (brush on) form as well. A NAPA or a body
shop is a good source. There are several brands, Loctite, 3M,
Rustoleum as well as the NAPA-branded product come to mind. For best
results use one that indicates it is a tannic acid (rather than
phosphoric acid).

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