Unfortunately if your battery stain is white it has penetrated too deeply into the concrete slab to bring back the color.
How to remove white battery acid stain from concrete.
It is safest to try a milder cleaning agent first before moving on to something more caustic.
F9 concrete rust remover barc is specifically developed to reverse and eliminate the largest proportion of orange battery acid staining rust stains fertilizer rust stains and irrigation rust stain on concrete brick pavers tile stone concrete coatings asphalt and other surfaces.
Battery acid can leave a terrible stain in your driveway or garage.
Battery acid stains may be removed from concrete by cleaning the area covering the stain with a cleaning agent like acid or bleach letting it sit and then rinsing away the cleaning agent.
Battery acid stains on concrete.
The concrete rust remover will work effectively on these burned areas and remove the colored stains.
It is very dangerous.
Battery acid stains should be cleaned up immediately as the battery acid will damage your concrete by eating away at the surface.
Concentrated sulfuric battery acid has been known to eat through a 4.
Battery acid stains are not rust and are a chemical reaction within the concrete if you try hydrochloric acid hydrochloric will only remove a maximum of 60 80 of the stain.
However you must be cautious because you will be working with dangerous chemicals.