>
> >car, let it idle for 30 minutes, then flush. It has no acid in it. (It has
> >TSP - trisodium phosphate, and something bisulphate). It only cost about 3
> >bucks.
>
>
> I use citric acid to dissolve scale from my boiler, and have tried
> CLR and it worked well.
>
> Anyone know of any warnings against using CLR in a radiator flush?
>
> CLR is heavily advertised on TV to eliminate Calcium,Lime, and Rust hence
> the name CLR. Ingredients include citric acid.
>
>
> mBrad
CLR contains phosphoric acid. Acids are very good at removing
oxides because they chemically remove the oxygen from them. Acids also
remove metals. The reaction is fairly slow for iron but very fast
for lead (solder). Don't even ask me about my first hand knowledge
of this fact!!
Roland
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