How to Remove Stains from Black Quartz Countertops

Removing stains from black quartz countertops can seem daunting, but with the right techniques and cleaning solutions, you can keep your countertops looking pristine. Quartz is an engineered stone made from crushed quartz bound together with resin, making it non-porous and resistant to stains, but not completely impervious. Here is a comprehensive guide on how to remove various types of stains from black quartz countertops.

Why Choose Black Quartz Countertops

Black quartz countertops are growing in popularity for several reasons:

  • Sleek, modern aesthetic – The deep, dark color provides a sophisticated, upscale look.
  • Durable and low maintenance – Quartz is extremely hard and does not need regular sealing.
  • Resists stains – The non-porous surface does not easily absorb stains.
  • Heat and scratch resistant – Quartz can withstand hot pots and is very durable.
  • Easy to clean – Quartz does not require special cleaners.
  • Variety of patterns – Available in different styles like solid, flecks, veins.

So while black quartz is resistant to stains, it is still possible for some stubborn stains to occur over time. But with the right cleaning methods, these stains can be removed.

Preventing Stains on Black Quartz

An ounce of prevention is worth a pound of cure when it comes to countertop stains. Here are some tips to help prevent stains from occurring in the first place:

  • Use cutting boards when prepping foods. Avoid cutting directly on the quartz.
  • Clean up spills immediately before they have a chance to set in.
  • Use coasters under glasses and wipe up drink rings.
  • For food prep areas, apply a thin coat of mineral oil which will make cleaning easier.
  • Avoid harsh chemicals and abrasive cleaners which can etch or dull the surface.
  • Rinse the countertop after using cleaners to prevent residue buildup.

How to Remove Common Stains from Black Quartz

Oils, Grease and Food Stains

  • Try using a degreasing cleaner like Formula 409 first. Spray on the stain, allow to sit for 5 minutes, then scrub with a soft cloth or sponge.
  • For stubborn grease stains, make a paste with baking soda and water. Apply to the stain and let sit for 15 minutes before scrubbing and rinsing.

Drink Stains from Coffee, Wine, Juice

  • Mix equal parts vinegar and water and spray onto the stain. Allow to sit for 5 minutes before wiping up.
  • For tough stains, make a baking soda paste. Let it sit on the stain for 10-15 minutes, then scrub and rinse. The slight abrasion helps lift the stain.

Ink, Marker, Paint

  • Apply rubbing alcohol to the stain and let sit for 2-3 minutes. Scrub with a soft cloth or magic eraser sponge.
  • For tougher stains, use acetone nail polish remover and scrub gently. Rinse thoroughly.

Hard Water Marks and Mineral Deposits

  • Make a paste with baking soda and water and apply to the marks. Let sit for 5 minutes before scrubbing and rinsing.
  • White vinegar or lemon juice also helps break down mineral deposits. Spray on and let sit before scrubbing.

Dried, Sticky Messes

  • Run an ice cube over the sticky spill to harden it, making it easier to lift off.
  • Use a plastic scraper to gently lift off the mess after the ice treatment.
  • Peanut butter, jam, syrup can be softened with cooking oil then wiped away.

Scratches and Etching

  • Very fine scratches can be buffed using 0000 steel wool and mineral oil. Rub gently in a circular motion.
  • Use a formulated quartz polish to help minimize the appearance of light etching or scratches.

Helpful Cleaning Tips for Black Quartz

  • For regular cleaning, use a mild soap and water. Avoid abrasive cleaners.
  • Disinfect the surface periodically with a diluted bleach solution (1 part bleach to 4 parts water).
  • For hard water areas, wipe surfaces with distilled white vinegar weekly to prevent buildup.
  • Always thoroughly rinse the countertop after applying any cleaners.
  • In most cases, stains can be removed with household items like vinegar, baking soda, hydrogen peroxide and mild dish soap.
  • For polishing and shine, use a soft cloth with a small amount of mineral oil, buffing in a circular motion.

When to Call for Professional Help

If you have tried the methods mentioned above without success, or have a stain of unknown origin, it may be time to call in a professional countertop refinishing company. They have access to more intensive treatments like:

  • Polishing compounds to reduce etching and scratches.
  • Hydrofluoric acid to remove stubborn stains.
  • Epoxy resin treatments to fill deeper scratches.

Reputable professionals have experience with safely removing stains from quartz. They can restore the countertop to like-new condition.


Black quartz countertops add beautiful, modern style to any kitchen or bath. While resistant to stains, some discoloration can occur over time. By addressing stains quickly with the appropriate cleaning solutions, the countertops can be kept looking fresh. For difficult stains that household methods cannot remove, calling a professional refinishing service may be warranted. With the proper care, black quartz countertops will retain their sleek, elegant look for many years.