Annette asked: How do I remove white mineral deposits from granite countertops? The countertop behind the faucet has this ashy, white, chalky surface as a result of water settling there where the surface is apparently lower.
White mineral deposits on granite countertops are a typical result of hard water. If the countertop has been properly maintained and resealed on schedule (typically every 6-12 months) the mineral deposits will be topical and relatively easy to remove. If the countertop seal has been compromised, you may need to call in a professional. Here’s what you should do.
You Will Need:
- Clean razor blade
- Soft cloth
- Professional Granite Countertop Cleaner
Steps to Remove the Stain:
- To quickly test the seal on your counter top, sprinkle a couple of drops of water on the surface. If the water soaks in, your protective seal is inadequate and it’s time to call a pro. If the water beads, your seal is still good. Wipe the water away quickly to avoid further stains.
- Using the clean razor blade and a steady hand, gently scrape away the mineral scale. Use caution not to gouge the countertop. Rather than trying to get it all at once, make several passes with the razor blade until the residue has been removed. Never use abrasive scrubbers. They will damage the seal, the countertop or both.
- Once you’ve scraped the scale away, use the soft cloth to apply the countertop cleaner. Be sure to follow label directions. A good granite countertop cleaner will help protect the surface against future damage.
Additional Tips and Advice
- Vinegar is a common product used to remove hard water deposits. Avoid using acidic cleansers such as vinegar unless the product is specifically recommended by the manufacturer. Acid can cause pitting and damage to the sealant. The end result may be worse than what you started with and will likely require a professional fix.
- If the suspect spot recurs near a faucet or sink, make a habit of wiping the area frequently. If water isn’t left to stand on the countertop, it’s not likely to cause a stain.
- Adhere to recommended maintenance schedules and use only products designated for granite countertops to keep your counters looking their best.
- Hard water sufferers may benefit from installing a water softener. If mineral scaling is a constant problem, often marked by cloudy dishes and lime scale in sinks and showers, it may be time to consult a professional about treating your home’s water.
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