If you have a white countertop that has developed a yellow tint, there are a few methods you can try to remove or minimize the discoloration. Here are some options:
Baking soda and hydrogen peroxide paste: Create a paste by mixing baking soda with hydrogen peroxide. Apply the paste to the yellowed areas of the countertop and let it sit for several hours or overnight. Then, gently scrub the surface with a soft brush or sponge. Rinse thoroughly with water.
Lemon juice and sunlight: Squeeze fresh lemon juice onto the yellowed areas of the countertop. Let the lemon juice sit on the surface for a few hours, preferably in direct sunlight. The natural bleaching properties of lemon juice, combined with sunlight, can help lighten the yellow tint. Afterward, rinse the countertop with water.
Oxygen bleach solution: Oxygen bleach, such as hydrogen peroxide-based cleaners, can be effective in removing stains and discoloration. Follow the instructions on the bleach product for the recommended dilution ratio. Apply the solution to the yellowed areas, allowing it to sit for the specified time. Scrub gently with a soft brush or sponge, then rinse thoroughly.
Commercial countertop cleaners: There are various countertop cleaners available on the market that are specifically designed to remove stains and discoloration. Look for products that are suitable for your countertop material and follow the instructions provided by the manufacturer.
It's important to note that the success of these methods may vary depending on the type of countertop material and the severity of the yellow tint. Additionally, it's always a good idea to test any cleaning solution on a small, inconspicuous area of the countertop first to ensure it doesn't cause any damage or further discoloration. If the yellow tint persists or if you're unsure about the best approach, consulting a professional or the manufacturer of your countertop material is recommended.