Question: what is the best product to clean quartz countertops?
Answer: Regular cleaning should be done with a mild soap or detergent and a soft cloth. ...  Although stain resistant, Quartz countertops are not stain proof. ...  A glass or surface cleaner, such as Windex, can be used for heavy or dried on stains. ...  Scrape away grease, gum, and paint with a plastic putty knife or razor blade.