It is best to steer clear of Magic Erasers when cleaning marble surfaces because they are abrasive. Along with scratching the surface, Magic Erasers can dull marble and damage any existing sealant. Hard water will stain marble because it contains mineral deposits.
Do Not Use On Granite or Marble. If you have soft surface countertops like granite or marble, step away from the magic eraser. You can use them on laminate, Corian, quartz, and other solid surface countertops, but do a spot check.
Don't use them to clean delicate countertops
That's why you should avoid using it on granite and marble counters (and any other fine stone surfaces), or else you'll run the risk of removing the sealant and making the surface appear dull.
taking care of your marble
For cultured marble & cultured granite: Use liquid cleaner like Kaboom, Mr. Clean, Clorox, etc. (see pictures below) for regular cleaning.
Magic Erasers don't magically erase everything — here's where not to use them: Shiny painted, enameled, sealed, or varnished surfaces. Magic Eraser can strip away the finish. Wood.
A magic eraser can feel soft when it's wet, but according to Apartment Therapy, it has the abrasiveness of 3000 grit sandpaper. That's why you should never use one to clean a car, which can scratch the highly polished surface.
Many homeowners ask if Magic Erasers® can be used on porcelain or if they will damage ceramic tile. The good news is that they can be safely used on ceramic tiles and porcelain, so you have nothing to worry about if you plan on using them this way.
The most important thing to know is to use a mild, pH-neutral, non-abrasive soap. There are special marble cleaning solutions out there, but regular dish soap works well. You can mix a little soap into warm water in a spray bottle or simply put a few drops onto a wet cloth.
Acidic Cleaners
Most have hydrogen peroxide (pH 4), low vinegar (pH 3), or citrus (lemon-orange pH 2-4) which end up etching marble. Avoid any cleaner with a PH below 7. These common cleaners can leave dull spots, rings, or spray marks on your floor.
Bleach, vinegar and cleaning products from household names like Clorox and Lysol can all cause irreparable damage to marble countertops. These cleaners, while potentially useful in stopping the spread of disease, can take the luster away from your stone surface and cause etching — a series of dull, permanent scars.
If you've spilled anything oil-based, like a vinaigrette, and the stain has set on your light marble countertop, attack it (gently) with a liquid cleanser that contains “household detergent, mineral spirits, or acetone.” You can also try a paste created by mixing one part of 3% hydrogen peroxide mixed with two parts ...
Magic Erasers are abrasive and shouldn't be used on wood or any high gloss surface, including countertops, because they can dull the finish. Use Magic Erasers with caution on painted surfaces. Always spot test, no matter what you're cleaning.
Don't use vinegar, Windex or bleach on marble. A single use of these acidic substances will eat into a marble countertop's surface and dull the stone. Don't use abrasive cleaner or pads, either, because marble can be scratched.
Acidic Stains (Wine, Fruit Juice, Vinegar)
For fresh spills, immediately blot the liquid to prevent it from penetrating deeper into the marble. Wipe the area with a cloth dampened with a mixture of water and mild dish soap, followed by a rinse with clean water.
Marble has a classic look that is both timeless and elegant. Keep your marble looking great by using Soft Scrub regularly.
Some people use different green products to polish the marble on their own. One of the most recommended green products for cleaning is baking soda. Baking soda can clean all hard stains to restore the shiny look of your marble with no damage.
Shaving products, toothpaste, perfumes and mouthwash are harsh products that could damage marble if they're left to sit on marble too long. One of the best cleaning agents is a thick paste made of baking soda and water.
Hydrogen peroxide works as a marble cleaner for food and other protein-based stains. Peroxide is a neutral cleaner that will not scratch marble. The liquid should be used on light-colored marble only; use other neutral cleaners for dark marble surfaces.
Clean sells a line called Magic Erasers, and Scotch-Brite offers a product called the Easy Erasing Pad. The secret behind these types of erasers is a material commonly called melamine foam. With just a little water, melamine foam can dig in and destroy stains that other products can't touch.
Magic erasers are a fantastic way to get grout very clean, very quickly. The downside is, the grout will rip through your magic erasers in a hurry. You'll go through more of them than you're used to, and that means this is one of your more expensive options. I also read that some people use vinegar to clean grout.
You may also find that as you use a magic eraser that it leaves behind a white residue on the surface you are cleaning. However, this white substance is harmless and can be removed easily by rinsing it away with water, or wiping the area with a damp cloth.
Magic Erasers can be used dry, but adding water to the sponge will help it absorb dirt. You should perform a spot test before you use the Magic Eraser, as the very fine, sandpaper-like surface can alter the finish on some surfaces.