Stains On Limestone Countertops. When you install your limestone countertops, they should be professionally sealed. Granite countertop stains could come from anything like rust, water, chemicals, oil, paint, or even ink.
If a heavier stain does occur (like an oil stain), Angie's List cleaning expert Amanda Bell suggests applying a baking soda paste, which draws out the oil, covering with plastic wrap, then letting it sit overnight. Limestone absorbs liquids and easily stains, especially when acidic foods, come into contact with the stone. What's also important to know is what not to use in order to best preserve your granite.
How to Remove Mineral Deposits From Granite Countertops.
Hard water stains and deposits can be a maddening problem and if you have granite or marble countertops you need to be very particular about the product you choose to use.
Granite is commonly used as building material for high-rise buildings due to its ability to withstand gale force winds and rain. Granite countertops may need to be resealed occasionally. These liquids also have a chance of carrying bacteria which will expose you and your family to a higher risk of sickness.