Oxidation
Gonna be tough remove them
Try margel it’s pretty effective
Various dilutions of
Phosphoric work really well but it’s a tad risky
You have to do a bit of refinishing

Sent from my iPhone

> On May 20, 2023, at 7:56 PM, Tony Deluna <tndeluna@gmail.com> wrote:
>
> Hey Pro’s , have any of you ever had any luck removing deep stains on white marble like this?
>
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