Bleach Stains On Marble

Removing mold stains from marble.

Bleach stains on marble.

Other than the stains the cultured marble is in very good condition and the original gel coat still is relatively shiny. Mold stains can be difficult to remove. I have some light hard water and rust stains on my cultured marble one piece bathroom vanity tops with sinks. See our article of etch removal.

The above table details what you will need to remove each type of stain. Below are some more specifics on the method of removal for each stain. There also are light grayish stains around the drains. Marble tile is just as susceptible to staining as solid marble but you can use the same method.

Marble is made of calcium carbonate which reacts with acidic and alkaline substances like bleach. Mold is a common problem in many bathroom settings. Although the surface is disinfected and safe it may remain unsightly. A bleach stain on a black granite countertop is unsightly and has more than likely removed the top protective coating over the natural stone.

Think about what objects are typically used near the area of the stain. The bleach has etched the marble causing the dull light spots on your table top. Calcium carbonate the primary compound in marble can be highly reactive to both acidic and alkaline cleaners. Marble is a durable stone under most circumstances but it does require some special care.

Or rust stains will show up near metal decorations and a water source. Mold can stain marble bathroom countertops floors etc. Water stains are yet another common stain that occurs on marble. See mold stains section below.

Your tiles may end up etched pitted or discolored. These stains can be the result of a water glass that was left on a marble countertop for too long or from hard water buildup around sinks and showers. Bleaching stains removes most discoloration from unsealed marble. Razor blade and paint striper.

Even once the mold spores are dead the black staining may remain. In general we recommend against using any of our tilex bathroom cleaners both with and without bleach on marble so i wouldn t advise bleach usage here. Bleach can be used to clean granite but if the corrosive liquid is allowed to sit too long on the material it can eat through the protective layer of sealant. See paint stain section below.

Because marble is porous you should clean spills immediately or you run the risk of the stone developing stains. For example coffee stains will show up on a marble kitchen countertop near the coffee marker. If the hydrogen peroxide was unable to remove the staining diluted bleach may be the only product able to do so. Because of its porous nature stains and dirt seep into the marble and are difficult to remove by traditional cleaning methods.

Marble stain identification tips.