I would first make sure the floor is dry. If it flooded twice it still may be retaining a lot of moisture. If this is the case I would not attempt any stain removal until the floor is completely dry.
The next I would do is make sure the stains are not iron. Test with RSR2000. If it turns purple its iron. In this case it may be a hopeless case.. Have her call her insurance company and have it replaced.

On Wed, Oct 4, 2017 at 7:39 PM, Anthony Godoy <agodoy4894@gmail.com> wrote:
Hi partners,

I have a customer that had her condo flooded twice. She hired a water and fire restoration company. There are some water stains that she wants removed. Can anyone tell me what would be the best way to get them out? Below are some photos i have attached.

Thank you

Anthony Godoy
Godoy Stoneworks And Tile Care, Inc
 
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