Potz sodium bicarbonate can be used to clean sinks, pans, ovens, shower trays and carpets, or as a tile and grout cleaner. Application for household cleaning: dilute 3 teaspoons of Potz sodium bicarbonate with water to obtain a paste. Apply the paste to the soiled surface (e.g. taps, washbasins, ovens, chopping boards, etc.), leave to act for 10 minutes and then brush off with a soft brush and rinse/wash off. Then buff the surface dry. On stubborn stains, leave the product to act for longer, e.g. overnight.