Can I Clean My Quartz Countertop With Bleach?

What is Quartz?

Before diving into cleaning methods, let’s take a moment to understand what quartz countertops are made of. Quartz counters are composed of ground natural quartz crystals combined with resins and pigments. The result is an engineered stone that is hard, durable, and attractive.

Some key properties of quartz:

  • Nonporous – Does not absorb liquids or harbor bacteria
  • Stain resistant – Resists most household stains
  • Durable – Harder and less prone to damage than natural stone
  • Low maintenance – Does not require regular sealing or polishing
  • Customizable – Available in a wide range of colors and patterns

The Risks of Using Bleach on Quartz

While quartz countertops are pretty indestructible when it comes to daily wear and tear, using the wrong cleaners can damage the surface over time. Bleach, in particular, carries some risks:

  • Removing Color – Bleach can fade or discolor quartz surfaces, especially lighter colored ones. The pigments used to create the color patterns in quartz can be damaged by prolonged bleach exposure.
  • Etching the Surface – Bleach is a harsh chemical. With repeated use, it can start to eat away at the resin layer that gives quartz its shiny, smooth surface. This can lead to a rough, etched appearance over time.
  • Exposing the Stone – If the resin erodes too much, the actual quartz stone underneath becomes visible. This results in a dull, uneven look to the countertop.
  • Voiding the Warranty – Many quartz manufacturers warn that using bleach and other harsh cleaners may void the warranty on your counters. It’s important to stick to recommended products.

Recommended Cleaners for Quartz

To safely clean quartz countertops, stick to mild, non-abrasive cleaners designed for stone surfaces. Here are a few good options:

  • Soap and Water – For basic cleaning, a bit of mild dish or hand soap mixed with warm water works well. Rinse thoroughly after cleaning.
  • Stone Cleaners – Look for products specifically formulated for engineered stone and quartz. Popular brands include Method and StoneTech.
  • Hydrogen Peroxide – As a mild disinfectant, hydrogen peroxide can be used diluted with water. Rinse surface thoroughly afterwards.
  • Baking Soda – Make a paste with baking soda and water to gently scrub away stuck-on grime. Rinse completely afterwards.

Tips for Keeping Quartz Clean

With proper care and cleaning, quartz countertops will stay looking like new for many years. Here are some useful care tips:

  • Wipe up spills quickly to prevent stains from setting in.
  • Use cutting boards and trivets to protect the surface from knives and hot pans.
  • Clean with a soft sponge or cloth, avoid abrasive pads.
  • Rinse any cleaning solutions off thoroughly after use.
  • Reseal quartz once a year with a stone sealer to prevent staining.
  • Avoid exposing quartz to harsh chemicals like paint removers, oven cleaners etc.

Can Quartz Be Disinfected With Bleach Solutions?

During cold and flu season, many people turn to bleach solutions when disinfecting countertops and other surfaces. The good news is that safer disinfecting options are available for use on quartz:

  • Hydrogen Peroxide – Can be used diluted with water to disinfect and sanitize quartz surfaces.
  • Vinegar – White vinegar is antimicrobial and safe for use on quartz counters when diluted.
  • UV-C Light – Portable UV-C sanitizing wands can kill germs without using liquids.
  • Lysol or Clorox Wipes – Look for disinfectant wipes specifically labeled safe for stone.

If disinfecting a large area, focus on frequently touched spots like around the sink and backsplash. Allow the disinfectant to sit for the recommended contact time before rinsing.


While bleach may seem like an easy cleaning solution for quartz countertops, it can actually damage and discolor quartz over time. Opt for gentler cleaners like soap and water, stone cleaners, hydrogen peroxide or baking soda instead. With the proper care, your beautiful quartz counters will stay looking fresh and clean for many years to come.