Seems to me the rust was caused by an object sitting in that area.
Try vinegar and a scrub brush.
If that doesnt work use gycolic or sulfamic acid and scrub with a brush.

On Tue, May 17, 2016 at 10:15 AM, Doug Smith <doug@stoneandtilepros.com> wrote:
Consumer sent these pics.....

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 IMG_1080.JPG
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 IMG_1081.JPG
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On Mon, May 16, 2016 at 8:23 AM, stuart rosen <mail@stoneshine.com> wrote:
Can you provide pictures-

On Mon, May 16, 2016 at 8:17 AM, Doug Smith <doug@stoneandtilepros.com> wrote:
Good Morning All,

I have a consumer that wants to know best way to remove rust stains from Porcelain tile as well as grout.
Your help is much appreciated.
Thanks,

Doug

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Stone and Tile PROS
 
  
 
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Doug Smith
Stone and Tile PROS
877-715-5313 Ext. 701
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Regards,
Stu Rosen
201-446-1200

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