Wine, olive oil, coffee, rust from a cast-iron pan, hard water rings around the faucet. Stains in marble and granite countertops are not cleaning problems, they are absorption problems, and a regular wipe-down does not pull them back out. We draw stains out with poultice work, repair acid etching with diamond honing, and reseal so the next spill stays on the surface. Servicing Mission Viejo, Newport Beach, and across Orange County.
From homeowners across Orange County
"Our kitchen counter was pitted from water damage. Vince and Derrick fixed the granite and sealed everything at a reasonable price."
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Call now or text photos of the surface. We can usually tell you the right starting point before scheduling an estimate.
Not every countertop stain removal project needs the same finish. Here's how the common options compare so you can pick the right one for your space.
Poultice Stain Removal (Oil) Acetone or mineral spirits poultice paste troweled over olive oil, butter, grease, or salad dressing stains. Draws the oil up out of the pores over 24 to 48 hours, may need two cycles for deep stains.
Etch Repair (Acid Damage) Hone the etched area with progressively finer diamond pads to remove the depth of acid damage, then re-polish to match the surrounding finish. Common fix for wine, citrus, and vinegar damage on marble.
Hard Water Mineral Removal Stone-safe limescale removal around faucets, soap dishes, and shower fixtures. Acid-free chelating cleaners on calcium-based stone, mild acid-based limescale remover on granite and quartzite.
Rust Stain Treatment Oxalic-acid-based rust remover applied as a poultice for cast-iron pan rings, metal can stains, and rebar bleed marks. Tested on a hidden area first to confirm safe use on your stone type.
Organic Stain Bleach Treatment Hydrogen-peroxide poultice for wine, coffee, tea, food, and biological stains. Most effective stain removal method for organic discoloration on marble, limestone, and lighter granite.
Resealing After Removal Once stains are out and surfaces restored, we apply a penetrating impregnating sealer (511 Impregnator, MB Stone Sealer, or similar) that buys 12 to 24 months of spill protection without changing how the stone looks.
What working with us actually looks like
We test the stain to determine if it is organic (wine, coffee, food), oil-based (olive oil, butter, grease), metallic (rust, ink), or biological (mildew). Each type needs a different poultice solvent. Misdiagnosis is the most common reason DIY stain removal fails.
An absorbent paste mixed with the correct solvent gets troweled on 1/4 inch thick over the stain, covered with plastic and taped at the edges. It sits 24 to 48 hours, drawing the stain up into the paste as it dries. We may repeat once or twice for deep stains.
If the stained area also has acid etching, we hone the surface with diamond pads (200 to 800 grit on marble, finer on polished granite) until the etch depth is removed. We re-polish back to match the surrounding finish. Most etch repair is invisible to the original installer.
Once the stain is gone and the surface is restored, we apply a penetrating impregnating sealer (typically 511 Impregnator or MB Stone Sealer) that buys 12 to 24 months of spill protection. We leave you a list of cleaners to use and a list to avoid.
Free on-site estimates. We'll come to you anywhere in Orange County.
Most of the time, yes. Red wine is an organic stain, which means a hydrogen-peroxide poultice will draw it out as long as the wine has not been sitting in the stone for more than a few months. Fresh stains (within a week) usually clear in one poultice cycle. Stains that have been there for years sometimes leave a faint shadow even after multiple poultice cycles. We tell you up front what we expect.
A stain is discoloration in the pores of the stone, the surface is still smooth and reflective, you just see a darker spot. An etch is physical damage where acid has eaten away the polished surface, leaving a dull or rough patch that catches the light differently. Stains get pulled out with poultice. Etches get honed and repolished. About half the calls we get for stains are actually etches.
No. Poultice paste is designed to draw out stains without affecting the stone itself. The solvents we use (hydrogen peroxide, acetone, oxalic acid) are matched to the stone type and tested on a hidden area first. The only risk is using the wrong solvent on the wrong stone, like using an acid-based rust remover on marble, which would etch it. We avoid that by identifying the stone and the stain before mixing the poultice.
For a single small stain, yes, if you identify the stain type correctly and use the matching solvent. Plenty of online guides walk through it. The two most common DIY mistakes are using the wrong solvent (which either does nothing or etches the stone) and pulling the poultice off too early before it has fully dried, which leaves the stain in place. For a single oil drop on a vanity, give it a try. For a wine spill on a Calacatta island, call us before you experiment.
Hard water rings are mineral deposits, mostly calcium and magnesium, that bond to the stone surface. On granite and quartzite we use a stone-safe limescale remover with a non-acidic chelating agent. On marble and limestone we use a soft abrasive plus a polishing compound, since acidic limescale removers etch calcium-based stone. After removal we re-seal and recommend wiping the area dry after use to slow the next round of buildup.
Older stains are harder to draw out because the staining material has fully bonded to the stone. We still try poultice first, sometimes with two or three cycles. If poultice does not fully clear the stain, we have two options: live with a faint remaining shadow, or hone down the surface a small amount and re-polish, which removes the top fraction of the stone where the stain is bonded. The second option is more involved but works on stains that poultice alone cannot fix.
Reseal every 12 to 24 months with an impregnating sealer (511 Impregnator, MB Stone Sealer, or similar). Wipe spills within a few minutes, especially anything acidic (wine, citrus, vinegar, tomato sauce) or oily (olive oil, salad dressing). Avoid Windex, vinegar, lemon juice, magic erasers, and any cleaner not labeled stone-safe. Use cutting boards and trivets. We leave you a fridge-magnet card with the cleaners to use and the cleaners to avoid after every job.
Based in Mission Viejo. Pick your city to see what we offer in your area.
No pressure. No obligation. Just an honest look at your floors and what's possible.