White granite countertops are highly sought after for their sleek, clean appearance and natural beauty. But many homeowners wonder: Does white granite turn yellow over time? The short answer is: it can, but there are reasons and solutions to prevent it. Let’s dive into what causes yellowing in white granite and how to maintain your stone’s pristine look.
Why Does White Granite Turn Yellow?
White granite, like other natural stones, is porous. This means it can absorb liquids and substances that may lead to discoloration. Yellowing in white granite typically happens due to several common factors:
- Oxidation of Iron in Granite: Granite contains natural minerals, including iron. Over time, if exposed to moisture or humidity, the iron can oxidize (rust), causing yellowish stains. This is especially common in outdoor granite surfaces or in areas with high humidity, like kitchens and bathrooms.
- Improper Cleaning Products: Using acidic or harsh cleaners can break down the sealant on granite, allowing substances to penetrate the surface and cause yellowing. Avoid cleaners with bleach or ammonia, as they can react with the minerals in granite and cause discoloration.
- Oil and Grease Stains: White granite is susceptible to absorbing oil and grease, especially around cooking areas. If not cleaned promptly, these substances can seep into the granite and cause yellow or brown stains.
- Hard Water Deposits: Areas with hard water can leave mineral deposits on granite surfaces. Over time, these deposits may accumulate and turn yellow, particularly if the granite is not properly sealed.
How to Prevent White Granite from Turning Yellow
Prevention is key to keeping white granite countertops looking fresh and bright. Here are a few tips to protect your stone from yellowing:
- Seal Your Granite Regularly: A good-quality granite sealant is your best defense against moisture and stains. It creates a protective barrier, preventing liquids from being absorbed into the stone. Depending on usage, it’s recommended to reseal granite every 1 to 2 years. To check if your granite needs sealing, pour a few drops of water on the surface. If it beads up, the seal is still intact. If it soaks in, it’s time to reseal.
- Clean with pH-Neutral Cleaners: Always use a granite-safe, pH-neutral cleaner to avoid breaking down the sealant. These cleaners are formulated specifically for natural stone and won’t cause etching or discoloration.
- Wipe Spills Immediately: Wipe up spills, especially oil, coffee, and acidic substances, as soon as they occur. Letting spills sit on granite increases the chances of staining.
- Use Soft Cloths or Sponges: Abrasive materials can scratch the surface of granite, making it more susceptible to damage and discoloration. Always use a soft cloth or sponge when cleaning.
What to Do if Your White Granite Turns Yellow
If you notice yellowing on your white granite, don’t panic. There are steps you can take to restore its original beauty:
- Poultice Paste: A poultice is a thick paste that can draw stains out of granite. Commercial granite poultices are available, or you can make your own using baking soda and water. Apply the paste to the stained area, cover it with plastic wrap, and let it sit for 24 to 48 hours before wiping it clean. This method works well for oil-based or rust stains.
- Professional Cleaning: If home remedies don’t work, professional stone cleaners can remove stubborn stains and restore the color of your granite. They use specialized products and equipment that are safe for natural stone.
- Resealing the Granite: Once the stain is removed, resealing the granite is essential to prevent future discoloration. Make sure to follow a regular sealing schedule.
Final Thoughts
Moreover while it’s possible for white granite to turn yellow, proper care and maintenance can prevent discoloration. Regular cleaning with gentle products, immediate attention to spills, and sealing the surface will keep your white granite looking bright and beautiful for years to come.
By understanding the causes of yellowing and taking the right precautions, you can enjoy the timeless elegance of white granite without worry.