Will Windex Hurt Quartz Countertops?

What is Quartz?

Before we dive into whether or not Windex is safe for quartz, let’s look at what exactly quartz countertops are made of. Quartz countertops are engineered stone composed of ground natural quartz crystals combined with resins, pigments, and other compounds.

The quartz content typically makes up 90-94% of the material. The rest consists of polymer resins that bind the quartz particles together, pigments that determine the color and pattern, and other additives.

The result is a non-porous, hard, resilient surface that resists scratches, stains, heat, and water. It requires very little maintenance compared to natural stone.

Is Windex Safe for Quartz?

Windex is a common household cleaner found in many homes. When it comes to quartz countertops, Windex is generally considered safe to use.

Here are a few pointers on using Windex on quartz:

  • Use original Windex – Windex comes in many varieties, but the original blue Windex is the safest choice for quartz. Avoid Windex products with bleach, vinegar, or ammonia, as these can damage the surface.
  • Use in moderation – Light usage of standard Windex is fine, but avoid excessive, heavy-duty cleaning. Too much Windex over time can start to eat away at the resin in the quartz.
  • Rinse thoroughly – After spraying Windex, make sure to wipe down the quartz thoroughly with water to avoid any chemical residue buildup.
  • Spot test first – To be extra careful, do a small spot test in an inconspicuous area before using Windex in larger areas. Check that it does not dull or etch the quartz.

So in summary, yes – original Windex in moderate amounts is generally considered safe for quartz countertops. But it’s still best practice to refer to your specific manufacturer’s care recommendations for your exact quartz material.

Best Practices for Cleaning Quartz Countertops

While Windex is an option, here are some best practices for keeping quartz countertops sparkling clean:

1. Routine Cleaning

  • For day-to-day cleaning, use a soft sponge or cloth with warm water and mild soap. Avoid abrasive scrubbers.
  • For stubborn stains, use a non-abrasive cleaner designed for stone surfaces.
  • Disinfect once a week using an all-purpose cleaner made specifically for quartz.

2. Preventing Damage

  • Always use trivets and coasters under hot pots and pans to prevent scorching.
  • Wipe up spills immediately to keep staining to a minimum.
  • Avoid exposing the surface to strong chemicals like paint removers, oven cleaners, etc.

3. Deep Cleaning

  • For periodic deep cleaning, use a non-acidic stone cleaner.
  • Mix hydrogen peroxide and water to make a gentle disinfecting solution.
  • Use baking soda and water paste to gently scrub off stuck-on grime.

4. Sealing

  • Since quartz is non-porous, sealing is not required. But optional sealing can make cleaning easier.
  • Use a sealer designed for quartz every 1-2 years for added protection.

By using the right cleaning approach, your beautiful quartz countertops will stay looking like new for many years. Avoid harsh chemicals, excessive scrubbing, and heat damage, and your quartz surface will maintain its beauty and function.

Frequently Asked Questions

Can I use Windex daily on my quartz countertops?

It’s best to avoid using Windex daily, as excessive use of any chemical cleaner can build up over time and start wearing away at the resin coating. Limit Windex to occasional light usage.

What happens if Windex damages my quartz?

In most cases, slight Windex damage just affects the glossy surface shine. This can often be restored by applying a quartz polish or buffing with a soft cloth. Deep damage like etching may require calling in a pro.

How can I remove Windex residue from my quartz?

If Windex residue is left behind, simply wash the surface thoroughly with warm water and a small amount of mild soap to remove any chemical buildup. Avoid additional Windex to clean residue.

Can I use homemade cleaners on quartz instead of Windex?

Yes, you can often use homemade cleaners like diluted vinegar, hydrogen peroxide, or natural stone soap on quartz. Avoid anything acidic. Test homemade cleaners on a small patch first to check compatibility.

What should I never use to clean quartz countertops?

Avoid abrasive cleaners, bleach, alkaline drain cleaners, oils, acetone, paint removers, and acid-based cleaners which can all damage and dissolve quartz surfaces.


Windex in moderation seems to be generally safe for quartz countertops for occasional use. However, it’s smart to play it safe and primarily use cleaning products specifically formulated for quartz and natural stone.

Avoid over-using any harsh chemicals, stick to gentle cleaners and methods, and promptly wipe up spills to keep your quartz countertops in impeccable shape for years. With proper care, quartz surfaces can stay looking fresh, clean, and undamaged.