[Syty] Anyone remove concrete rust?

[Jeffrey Smirz]

Be careful using acids on concrete, especially hydrochloric (also  
sold as muriatic)!  They will dissolve the cement in the concrete and  
leave a rough surface.
Jeff



On Aug 30, 2006, at 2:14 PM, Marion Cole wrote:

> I’ve used two different liquids to remove rust from concrete: 1) a  
> solution called triple etch by Martin Senior pants or called Metal  
> Prep by Sherwin Williams. It is an acid (sulfuric or hydrochloric  
> based don’t remember which). You can also get the same type stuff  
> at Home Depot. Look for a solution used to clean Brick fireplaces,  
> brick fascia, etc. Look on label for contents to see if it is an  
> acid based solution.
>
>
>
> From: syty-bounces at syty.org [mailto:syty-bounces at syty.org] On  
> Behalf Of Larry Brown
> Sent: Wednesday, August 30, 2006 1:07 PM
> To: SyTy List
> Subject: [Syty] Anyone remove concrete rust?
>
>
> Anyone:
> ...I`m told there is nothing that removes concrete rust.
> Unfortunately my driveway has poka-dots and household cleaners do  
> nothing
> or worse make white bleach stains (and leave the original rust).
> Even tried a drill pad to work in different solutions, with no help.
>
> thought I`d ask
> Larry
>
>
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