Please give your experience on using CRC EVAPO RUST on rusty Mini's.

It sounds good and looks good on youtube.

The MSDS says its just phosphoric acid (10-20%) in water, with some other additives - all rust converters are basically the same thing, it's the phosphoric acid that does the work.

A very nice man once gave me a couple of bottles of basically 100%, I use it when I have no other way of dealing with rust, and only ever a little bit - wire brush, wipe on, wipe off

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did I tell you that I won a trophy?

Ed China did a YT video soaking a range rover chassis in nearly 2000 litres of it.

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Mk 1 Cooper S 1965
If you could erase all your mistakes of the past
You would also erase the wisdom of your present
Remember the lesson not the disappointment.

Phosphoric acid will remove rust from steel/iron but converters change the rust to a protective layer which limits further rusting.

Emery Chemicals in Sydney used to make "Emertan" which was a tannic acid based rust converter. Had a magnificent port wine smell too. "Fertan" is a similar tannic acid converter that is still available.