For stubborn stains, such as oil, coffee or red wine stains, you can use a special stone stain remover. Apply the stain remover to the stain, rub it gently, and then leave it for a while to break down the stubborn stain. Finally, rinse with clean water and wipe dry with a dry cloth.

1. Understanding Quartz Countertops 1.1. Unique Properties of Quartz 1.1.1. Durability 1.1.2. No Porosity 1.1.3. Resistance to Stains and Scratches 2. Basic Tools and Supplies 2.1. Soft Microfiber Cloth 2.2. Mild Dishwashing Soap 2.3. Warm Water 2.4. Non-Abrasive Cleaners 3. Daily Cleaning Procedures 3.1. Rapid Spill Response 3.2. Preparing Your Cleaning Solution 3.3. Wetting the Cloth 3.4. Gentle Cleaning 3.5. Rinse and Dry 4. Treating Stubborn Stains to Clean Quartz Countertops 4.1. Coffee Stains: 4.2. Wine Stains: 4.3. Oil Stains: 5. Precautions to Keep Quartz Countertops Vibrant 5.1. Use a Cutting Board and Trivet 5.2. Prevent Heat Damage 5.3. Use Coasters Under Glasses 6. Avoid Harsh Chemicals 6.1. Erosion of Resin Bonds 6.2. Discoloration and Dulling 6.3. Surface Scratches 7. Sealing and Polishing Quartz Countertops 7.1. Sealing Quartz Countertops 7.2. Polishing Process for Cleaning Quartz Countertops 8. Tips for Maintaining Quartz Countertops

The temperature of boiling water is 100°C, which is lower than the heat resistance limit of quartz countertops. However, pouring boiling water directly on quartz countertops may cause cracks to expand, resin damage (the surface loses gloss or deforms), and color change.