white marks
 

How do I get the white marks off of the concrete near my house......It has
happened after all the rain we have had....Thank you for your help...k

white marks
 

If it is efflorescence, use a cleaner labeled to remove that. Muriatic acid
will work but probably too aggressively.

If it is a surface contaminant like dirt, use a power washer with concrete
detergent


"kay7777@post to group" wrote in message
...
How do I get the white marks off of the concrete near my house......It has
happened after all the rain we have had....Thank you for your help...k