Do I Need To Seal Granite Countertops. A good test is to leave a paper towel soaked in water or mineral oil on your countertop for a few minutes. However if unsealed acidic substances can easily deteriorate the stone over time.
This TEN YEAR Sealer is it. Actually some granites never need sealer and should never be sealed. Simply dab some water or mineral oil on them and note of if the area becomes darker.
If the stone takes 4 to 5 minutes to darken a good impregnator sealer should be applied and re-applied every 3 to 5 years.
Simply dab some water or mineral oil on them and note of if the area becomes darker. In general granite countertops only need to be sealed about once a year or even every 18 months. Always wipe up any spills ASAP. Actually some granites never need sealer and should never be sealed.
