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NFT: Anybody know how to remove rust from concrete?

AcidTest : 3/23/2017 2:50 pm
Another concrete thread.

Does anybody know how to do this? I bought some rust removers from Home Depot and Lowe's, and with a steel brush, was able to scrub away about two-thirds of the rust. I also tried vinegar with no success based on YouTube videos. Muriatic acid will apparently remove the rust, but it is extremely caustic, and effectively bleaches the concrete in the areas it's used. So the color would no longer match the rest of the concrete.

Any suggestions? Thanks.
CLR?  
mattlawson : 3/23/2017 3:25 pm : link
EVOO?
Funny this question is from a guy named  
Beezer : 3/23/2017 3:29 pm : link
AcidTest.

You'd think he'd have answered his own question.

Just sayin.
What the hell  
Deej : 3/23/2017 3:33 pm : link
can we have a one concrete maintenance thread per hour rule?
Did you try pressure washing it?  
B in ALB : 3/23/2017 3:34 pm : link
.
Vinegar  
I Love Clams Casino : 3/23/2017 3:35 pm : link
let soak, wire brush, rinse and repeat
In addition to pressure washing...  
EricJ : 3/23/2017 3:36 pm : link
try a heavy paste mixture of barkeepers friend. The stuff is awsome when it comes to rust. I would cake it on there and leave for a while. Come back with a wet brush and scrub. Then follow up again with the pressure washer.

I actually planned to do a DIY video on barkeepers friend
oh!  
I Love Clams Casino : 3/23/2017 3:37 pm : link
I see you tried vinegar -

Vinegar will eventually "melt" rust....leave it on for longer
RE: In addition to pressure washing...  
mattlawson : 3/23/2017 4:21 pm : link
In comment 13404253 EricJ said:
Quote:
try a heavy paste mixture of barkeepers friend. The stuff is awsome when it comes to rust. I would cake it on there and leave for a while. Come back with a wet brush and scrub. Then follow up again with the pressure washer.

I actually planned to do a DIY video on barkeepers friend



Bar keepers friend is the shit. Both the powder and tonic
RE: Funny this question is from a guy named  
AcidTest : 3/23/2017 7:28 pm : link
In comment 13404234 Beezer said:
Quote:
AcidTest.

You'd think he'd have answered his own question.

Just sayin.


Touche.
I've a feeling we are talking about a chemical reaction  
KeoweeFan : 3/23/2017 8:00 pm : link
where you now have a new substance.
Jack hammer?
I've had good results with Goof Off Rust Remover...  
tony stg : 3/24/2017 9:47 am : link
... bought at any of the chain hardware stores.


Goof Off Rust Remover - ( New Window )
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