Battery Acid on driveway
			 
			 
			
		
		
		
			
			So the battery on the tent trailer 'blew up' and leaked acid all over the driveway. I've done some research on it but I'd rather get some CP advice. 
I know the stain is now part of the concrete and not many cleaners actually work.  
 
Has anyone had any luck getting this stuff out? It looks awful!!
		 
		
		
		
		
		
		
		
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