Quartzite countertops are very durable and stain-resistant, but if you do happen to get a stain on them, here are some of the best stain removers to use:

1. Dish soap and warm water: For most stains, a mixture of warm water and a mild dish soap, such as Ivory or Dawn, will do the trick. Simply mix a small amount of dish soap with warm water and use a soft cloth to gently scrub the stained area.

2. Hydrogen peroxide: For tougher stains, hydrogen peroxide can be used to remove them. Apply a small amount of hydrogen peroxide to the stain and let it sit for a few minutes before wiping it up with a damp cloth.

3. Baking soda and water: For stubborn stains such as coffee or tea, mix baking soda and water into a paste and apply it to the stained area. Let it sit for a few minutes before wiping it up with a damp cloth.

4. Stone-specific cleaner: There are many stone-specific cleaners on the market designed to remove stains from quartzite countertops. Be sure to read the label and follow the manufacturers instructions carefully.

Its important to remember not to use any harsh chemicals or abrasive materials on your quartzite countertops as they can damage the surface. Instead, opt for gentle cleaners and soft cloths to keep your countertops looking their best.