How to Tell if Granite Needs Resealing
Common Signs of a Degrading Seal
Granite countertops, known for their durability, still require periodic resealing to maintain their protective barrier. Over time, the seal can wear down, especially in high-traffic kitchens. Look for subtle indicators like water not beading up immediately after spotting or a rough texture when you run your finger across the surface. Another sign is staining from acidic substances-this often suggests the seal has compromised. Resealing isn't just about aesthetics; it protects your investment from water absorption and microbial growth.
Testing the Seal Integrity
To check if resealing is necessary, perform a simple water test. Sprinkle water onto the granite and wait 10–15 minutes. If the water absorbs quickly or leaves a dark spot, the seal may need renewal. Additionally, inspect the edges and seams-any cracks or dull patches signal that the protective layer has thinned. For food-safe maintenance, remember to clean gunk between sink and countertop daily to prevent abrasive particles from eroding the seal further. Avoid using harsh chemicals here; mild soap and water suffice to preserve the seal's longevity.
Maintenance Tips to Prolong Seal Life
- Wipe spills immediately to prevent acidic or oily residues from breaking down the seal.
- Periodically polish the surface with a granite-specific cleaner to remove microscopic buildup.
- Address grease in your kitchen backsplash grout promptly-how to remove grease from kitchen backsplash grout often requires a vinegar solution, which can temporarily weaken the seal if overused.
- Apply food-grade mineral oil for cutting boards after cleaning to avoid transferring oils to the granite surface during meal prep.
Pro Tip: If you're unsure about the seal's condition, consult a professional. Even minor damage can escalate without proper care.
More tips in the section Kitchen Tech & Surface Hygiene