Is Bar Keeper’s Friend Safe for Quartz Countertops?

What is Bar Keeper’s Friend?

Bar Keeper’s Friend is a household cleaning product that contains oxalic acid as the main active ingredient. It is an abrasive cleaner marketed as being effective at removing rust, mineral deposits, and other tough stains from various surfaces.

Some key facts about Bar Keeper’s Friend:

  • Created in 1882 and has been popular for decades
  • Comes as a powder formula that is mixed with water to form a paste
  • Contains oxalic acid, which helps dissolve rust and mineral buildup
  • Has light abrasives to help scrub surfaces clean
  • Often used for cleaning stainless steel, ceramic, and other cookware

Is It Safe for Quartz?

The short answer is yes, Bar Keeper’s Friend is generally considered safe to use on quartz countertops. However, there are a few caveats to keep in mind:

  • It should only be used for spot cleaning, not wide surface areas. The abrasives may damage the shine of the quartz over time if used excessively.
  • Rinse thoroughly after applying and wiping off to avoid any acidic residue being left on the surface.
  • Avoid using on countertops that have a glossy polished finish, as it may dull the surface over repeated use. Matte finish quartz is the best type to use Bar Keeper’s Friend on.
  • Test first in an inconspicuous spot to check for any adverse effects.

As long as you use Bar Keeper’s Friend sparingly on limited areas and rinse thoroughly, it can be an effective cleaner to tackle stains on quartz. Oxalic acid breaks down organic matter without harming the durable quartz material.

How to Use It on Quartz Countertops

When using Bar Keeper’s Friend on quartz, follow these steps:

  1. Mix the powder with a small amount of water to form a spreadable paste.
  2. Apply the paste directly to the stain or marks on the quartz.
  3. Let it sit for 2-3 minutes to allow the oxalic acid time to break down the substance.
  4. Use a soft cloth or sponge to gently scrub and wipe away the stain.
  5. Rinse the area thoroughly with clean water to remove all cleaner residue.
  6. Dry with a soft towel to prevent any water spots.

Repeat as needed for tough stains, but avoid over-scrubbing any one area. For routine quartz cleaning, stick to mild soap and water or a quartz-specific cleaner.

What to Avoid Using on Quartz

While Bar Keeper’s Friend is generally safe for quartz, there are some cleaners and substances to avoid:

  • Vinegar – Being acidic, vinegar can etch and dull quartz surfaces.
  • Ammonia – Can discolor or pit quartz over time.
  • Bleach – Should never be used on quartz, as it can damage seals and discolor the surface.
  • Abrasive pads – Scrubbing pads, scouring powders, etc can scratch quartz.
  • Harsh chemicals – Drain cleaners, oven cleaners, etc are too harsh for quartz.

Read product labels carefully and spot test any new cleaners before using them across your entire quartz countertops. Play it safe by using mild dish soap, water, and soft cloths for daily cleaning.

Maintaining Your Quartz Countertops

To keep your quartz countertops looking like new:

  • Clean up spills quickly to prevent stains from setting.
  • Regularly wipe down with a soft, damp cloth to remove dirt and grime.
  • Use coasters under glasses and trivets under hot pots and pans.
  • Avoid using quartz as a cutting surface to prevent knives from scratching. Use a cutting board instead.
  • Re-seal quartz every 1-2 years with a granite/quartz sealer for added protection.
  • Avoid placing extremely hot items directly on quartz.

By caring for your quartz properly, you can enjoy stain-free, sparkling countertops for decades to come. An occasional use of Bar Keeper’s Friend can help tackle pesky stains while maintaining the integrity of your quartz surface.

FAQs About Using Bar Keepers Friend on Quartz

Is it okay to use Bar Keepers Friend daily on my quartz countertops?

No, you should not use Bar Keepers Friend on a daily basis. It is best reserved only for occasional or spot cleaning to remove stains and buildup. The abrasives can damage the surface over time if used excessively.

What ratio of Bar Keepers Friend to water should be used?

Mix a paste using 3 parts Bar Keepers Friend powder to 1 part water. Adjust the consistency as needed. Do not make the mixture too runny or wet. You want a spreadable paste.

How long should I let Bar Keepers Friend sit before scrubbing and rinsing?

Let it sit for 2-3 minutes maximum. This gives the oxalic acid time to break down the substance you are cleaning without letting it over-etch the quartz.

Can Bar Keepers Friend be used on polished quartz?

It’s best to avoid using it on polished quartz finishes as it can cause dulling over repeated use. Use on matte finish quartz only. Test first on a small spot.

What’s the best way to rinse Bar Keepers Friend off of quartz?

Rinse thoroughly with clean water and wipe dry with a soft cloth or paper towels. Ensure no cleaner residue is left on the surface. Vinegar is not recommended for rinsing.


When used properly and in moderation, Bar Keeper’s Friend can be an effective stain remover for quartz countertops. Its abrasive formula helps break down and remove stains without damaging the integrity of the quartz material itself. Just be sure to spot test first, rinse thoroughly, and limit its use to occasional spot cleaning. With the proper care, quartz countertops will maintain their beauty for many years.