Water Stains On Granite Countertops. You can seal your granite countertop using high-quality sealant products such as Laticrete StoneTech BulletProof Sealer. Hard water stains are another story.
Granite like most natural stone is porous. You can also use. When water seeps into your granite countertop it leaves a dark spot that evaporates in a few minutes and returns to normal.
When water seeps into your granite countertop it leaves a dark spot that evaporates in a few minutes and returns to normal.
These stains look like water spots or rings and cause an etching look. Granite countertops can get water stains especially if your countertop was not properly sealed. Hard water stains are another story. Mix a poultice paste of baking soda and water for oil-based stains or baking soda and peroxide for others until its as thick as peanut butter.
