Cleaning and disinfecting quartz countertops Chicago can seem like a simple task but you will always get a variety of sound advice on best practices on how to go about it. Granite has an extremely durable surface and it is less porous than those marble countertops Chicago. But when it’s not properly sealed, granite countertops Chicago will soak up oils, spills, and stains. Here’s how to check if your granite is sealed well: leave a few drops of water on the surface. Properly sealed granite kitchen countertops Chicago will bead up. It may be time to reseal the stone if it soaks up water after a few minutes. Avoid acidic cleaners like vinegar or lemon and anything with ammonia or bleach. It will weaken the sealant if you use it regularly. Stone Exact Quartz Countertops suggests using warm water and gentle soap on a microfiber washcloth to wipe granite countertops in the Chicago area daily.