How to Fix Bleach Stain on Quartz Countertop


Quartz countertops are popular in many homes for their durability, stain resistance, and stylish appearance. However, even quartz can get stained by powerful cleaners like bleach. If you accidentally spill bleach on your quartz countertop, don’t panic! With the right techniques, you can often remove a bleach stain and restore the look of your countertop.

In this comprehensive guide, we will provide step-by-step instructions to effectively fix bleach stains on quartz countertops. We will cover how to identify the stain, prep the surface, use stain removers, and reseal the countertop. With some patience and elbow grease, you can get your quartz countertop looking like new again.

Identifying the Stain

The first step is to examine the stained area closely. Bleach stains on quartz can appear in a few different ways:

  • Light colored blotchy spots
  • Discolored rings
  • Pitted or eroded areas on the surface

Take note of the size, shape, and severity of the bleach stain. This will help determine the best stain removal method to use.

Minor surface stains will be easier to treat than deep-set stains that have damaged the top layer of the quartz. But even severe stains can often be minimized with the right cleaning techniques.

Preparing the Quartz Surface

Before treating the stain, prep the quartz countertop surface:

  • Clear countertop of everything – remove dishes, appliances, etc from the area. This gives you room to work.
  • Protect surrounding surfaces – lay down towels or drop cloths to prevent cleaning products from getting on floors, cabinets, etc.
  • Dry the surface thoroughly – wipe up any standing water or moisture. Stain removers work better on dry quartz.
  • Wash the area with mild soap and water – clean to remove surface dirt or residue. Rinse and dry completely.

Proper prep helps the stain removers penetrate and act more effectively.

Removing Light Bleach Stains

For minor discoloration or slight surface stains:

Baking Soda Paste

  • Make a paste with baking soda and water – Mix to a thick, spreadable consistency.
  • Apply paste to the stain – Use a soft cloth or brush to cover the stained area.
  • Let sit for several hours or overnight – The longer it sits, the more it can draw out the stain.
  • Rinse and wipe dry – Once time has passed, rinse thoroughly and wipe away any paste residue.

Baking soda is mildly abrasive to help lift surface stains without damaging the quartz.

Hydrogen Peroxide

  • Mix hydrogen peroxide and baking soda – Stir into a runny paste, adding a little water as needed.
  • Apply to stain with soft cloth – Work the mixture gently over the stained area.
  • Let bubble for 5-10 minutes – Hydrogen peroxide will foam and bubble, helping break down the stain.
  • Rinse thoroughly and wipe dry.

Hydrogen peroxide is a mild bleach that can help dissipate lighter bleach stains.

Polishing Powder or Soft Scrub

  • Apply a small amount of soft scrub or polishing powder.
  • Gently rub onto stain in a circular motion using a soft cloth or toothbrush.
  • Take care not to scrub aggressively or you may dull the surface.
  • Rinse and dry completely once the stain appears lifted.

The fine abrasives in polishing powders can help buff out discoloration without damaging the quartz.

Treating Medium or Heavy Stains

For more stubborn bleach stains that persist after initial cleaning attempts:

Baking Soda + Hydrogen Peroxide Paste

  • Make a paste with baking soda, hydrogen peroxide, and water.
  • Apply a thick layer over the stained area. Cover completely.
  • Cover with plastic wrap and let sit overnight. The paste will dry out.
  • In the morning, scrape off the dried paste with a plastic scraper or wood wedge.
  • Rinse clean and wipe dry.

Letting the paste sit for an extended time lets the ingredients work on the tough stain.

Bleach Gel Pen

  • Purchase a bleach gel pen or marker used for removing stains.
  • Carefully apply gel to the stained area, using pen tip or Q-tip for precision.
  • Let gel sit for 2-3 minutes. Scrub gently with soft brush or sponge.
  • Rinse thoroughly and wipe dry. Monitor area for improvement. Reapply if needed.

Bleach gel pens contain thickened bleach that clings to vertical surfaces like countertops. Take care not to overapply.

Oxalic Acid

  • Make a paste with oxalic acid powder and water. Spread evenly over stain.
  • Allow to sit for 15 minutes before rinsing and wiping clean.
  • Monitor results and reapply if needed, allowing paste to sit longer.
  • Rinse thoroughly. Oxalic acid can be corrosive so rinse multiple times.

Oxalic acid dissolves rust, mineral deposits, and bleach stains. Can be used for tough quartz stains.

Resealing and Polishing

As a final step after the stain is removed:

  • Consider resealing the countertop if stain remedies were harsh. This adds protection.
  • Use a quartz polish to buff out any remaining discoloration and restore shine.
  • Going forward, clean quartz regularly with mild soap and water to prevent stain buildup.

Proper sealing and polishing helps quartz look its best after stain removal. Avoid harsh chemicals like bleach in the future.

FAQs: Removing Bleach Stains from Quartz

How long does a bleach stain take to set on quartz?

Bleach stains can set quickly, sometimes in a matter of hours. Act promptly as soon as a spill occurs to increase chances of removal.

What household items can remove bleach stains?

Baking soda, hydrogen peroxide, oxalic acid, bleach pens, and polishing powders are common household products that can lift or lighten many bleach stains on quartz.

Can I use bleach to remove a bleach stain?

While it seems counterintuitive, a diluted bleach solution can help dissipate and neutralize the original concentrated bleach stain in some cases. But take care to avoid worsening the discoloration.

Will bleach permanently stain or damage quartz?

In many cases, stains can be removed with the right cleaning methods. But deeply set stains may permanently discolor quartz. Avoid exposing quartz to undiluted bleach over time.

Should I reseal my quartz countertop after bleach staining?

It’s a good idea to reseal quartz after intensive stain removal efforts, as some methods can strip away protective sealants. Resealing helps prevent future stains.

What do I do if stains persist after cleaning?

For stubborn stains that remain unsightly even after thorough cleaning, consider contacting a professional quartz restoration service. They have commercial grade stain removal solutions.


Quartz countertops are fairly stain-resistant, but concentrated cleaners like bleach can still cause stubborn discoloration if spilled. Thankfully, various DIY methods exist to remove bleach stains and restore the look of your quartz surface. With prompt treatment using baking soda, hydrogen peroxide, bleach pens, or oxalic acid, you can often minimize or eliminate bleaching. Just be sure to properly prep, start mild, test on a small area first, and take care not to overscrub the delicate quartz material. With some persistence and TLC, your quartz countertop can recover from a bleach staining incident.