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By sealing your granite countertops, you can prevent stains, bacterial growth and damage.
Staining and Discoloration Unsealed granite countertops are vulnerable to staining from liquids such as wine, coffee, and cooking oils..
Since unsealed granite countertops can absorb liquids, they can also provide a breeding ground for bacteria.
Erosion and Damage Acidic substances like lemon juice, vinegar, and some cleaning products can cause etching on the surface of unsealed granite..
How to Seal Your Granite STEP 1: Clean the countertop: Clean the granite countertop thoroughly using a mild, non-abrasive cleaner. Ensure that the surface is dry before proceeding.