I have tried scrubbing with baking soda, vinegar, and even toothpaste
but none of them works...... not even a little bit could be removed....
I am not sure what the sink is made of....but not stainless steel or metal for sure...
Please look at the taken pictures below
but none of them works...... not even a little bit could be removed....
I am not sure what the sink is made of....but not stainless steel or metal for sure...
Please look at the taken pictures below