I found a couple tutorials that you can try.
Removing the Yellow Hue from a Ceramic Floor -- Heloise Hints
https://www.goodhousekeeping.com/home/cleaning/tips/.../ceramic-floor-cleaning-dec0...
How to Remove Yellow Stains From Floor Tile | eHow
https://www.ehow.com/how_7403316_remove-yellow-stains-floor-tile.html
If vinyl tile, that happens when they age and are covered with rugs or mat. About the only thing you can do is uncover the area and hope it fades,out.
https://www.youtube.com/watch?v=UaXZPvlNilA
Great!........thanks so much Cheryl for the information.
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I found a couple tutorials that you can try.
Removing the Yellow Hue from a Ceramic Floor -- Heloise Hints
https://www.goodhousekeeping.com/home/cleaning/tips/.../ceramic-floor-cleaning-dec0...
How to Remove Yellow Stains From Floor Tile | eHow
https://www.ehow.com/how_7403316_remove-yellow-stains-floor-tile.html
If vinyl tile, that happens when they age and are covered with rugs or mat. About the only thing you can do is uncover the area and hope it fades,out.
https://www.youtube.com/watch?v=UaXZPvlNilA
Great!........thanks so much Cheryl for the information.