Empty the cabinet: Remove all items stored in the cabinet to access the affected areas more easily.
Cleaning the stains: For aluminum stains, you can try using a non-abrasive cleaner or a mixture of baking soda and water. Apply the cleaner to a soft cloth or sponge and gently rub the stained areas. Avoid using harsh chemicals or abrasive scrubbers, as they may further damage the cabinet's finish.
Treating the wood damage: If the wood under the stains is swollen, it suggests water penetration. In this case, you might need to address the water damage to prevent further issues such as mold or structural damage. Start by drying the area thoroughly using a fan, dehumidifier, or by leaving the cabinet doors open. Once dry, assess the extent of the damage. If the wood is significantly damaged or the cabinet's structural integrity is compromised, you might need to consider repairing or replacing the affected parts.
Sanding and refinishing: If the stains have affected the cabinet's finish, you can try sanding the area lightly to remove the stained layer. Use fine-grit sandpaper and work in the direction of the wood grain. After sanding, you can refinish the affected area with a matching wood stain or paint to restore the cabinet's appearance.
Prevent future damage: To avoid similar issues in the future, consider placing protective mats or liners under the sink area to catch any spills or leaks. Regularly check for leaks in the plumbing connections and address them promptly.
If the damage is extensive or if you're uncertain about the best course of action, it's advisable to consult a professional or a specialist in cabinetry to assess the situation and provide appropriate recommendations based on your specific case.