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Best way to clean firework stain from concrete

Posted on 7/15/26 at 11:10 am
Posted by kjntgr
Baton Rouge
Member since Jan 2004
9004 posts
Posted on 7/15/26 at 11:10 am
Pulled out my pressure washer but it didn’t get all of it
Posted by Spelt it rong
Louisiana
Member since Oct 2012
10983 posts
Posted on 7/15/26 at 11:20 am to
If it's actually scorched concrete, you ain't getting it all no matter what you try. Best hope is that it lightens.

Try oxiclean/water mix and a brush first.

If that doesn't help.... go nuclear.

Diluted muriatic acid. Neutralize with baking soda after. Rinse well.
Posted by Spankum
The Sip
Member since Jan 2007
62902 posts
Posted on 7/15/26 at 11:54 am to
Believe it or not, there is a Reddit thread asking exactly the same thing. If it is smoke stain, I would try some acetone or brake cleaner. If the concrete is burned (like from a sparkler) I don’t think anything will help.
Posted by ItzMe1972
Member since Dec 2013
12801 posts
Posted on 7/15/26 at 2:16 pm to
In general, patina refers to the natural, often desirable, aged finish that gives an object character and history.
Posted by CAD703X
Liberty Island
Member since Jul 2008
94231 posts
Posted on 7/15/26 at 2:18 pm to
quote:

Best way to clean firework stain from concrete
time
Posted by TU Rob
Birmingham
Member since Nov 2008
13527 posts
Posted on 7/15/26 at 2:27 pm to
quote:

time


Or a jackhammer and a bag of concrete to replace it with.
Posted by CAD703X
Liberty Island
Member since Jul 2008
94231 posts
Posted on 7/15/26 at 2:31 pm to
quote:

Or a jackhammer and a bag of concrete to replace it with.


my arse still hurts from the whooping my dad gave me after i lit several black "snakes" on our driveway.

that was 53 years ago and i bet those stains are still there.
This post was edited on 7/15/26 at 2:32 pm
Posted by LEASTBAY
Member since Aug 2007
16636 posts
Posted on 7/15/26 at 3:01 pm to
I would think oil absorb would work. Cheap cat litter is the same thing.
Posted by kjntgr
Baton Rouge
Member since Jan 2004
9004 posts
Posted on 7/15/26 at 8:26 pm to
I got plenty of that lol

And it’s free!!
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