Watermarks On Marble Countertops. Water stains are a common issue with marble countertops but pure water will not stain or damage marble. As this residue builds up it will attract further staining so it is wise to nip stains in the bud once you spot them.
They may look lighter clear or the same color as your marble. Water stains are a common issue with marble countertops but pure water will not stain or damage marble. If acid is exposed to Marble for too long it will begin to dissolve and break down the stones sealant and minerals.
Since marble is softer than other natural stones such as granite it is more susceptible to staining from cooking and spills.
The longer you leave liquids on the countertops the harder it will be to remove the water stains that develop over time. Water stains are a common issue with marble countertops but pure water will not stain or damage marble. So all those light colored stains that look like water spots or water rings are actually marks of corrosion etches created by some chemically active liquid mostly but not limited to acids which had a chance to come in contact with your marble. Rinse the marble to remove the baking soda paste using a sponge dampened.