How to clean a bathroom correctly. Remove cobweb and dust with a Candy Floss Sweep or vacuum the floor. Use cold water and make the tiles as well as the shower mixer wet. Descale the bathroom with Limescale Remover. Be sure to wear protective glasses and a mask. After applying Limescale Remover, scour the bathroom with a scouring pad. Then let the Limescale Remover work for a couple of minutes. The floor and the grate are also scrubed for Limescale. Use cold water to rinse everything. Wipe the bathroom down with a dry cloth. Wash the floor with the appropriate soap, used to clean the floor. Always ask a colleague if you have any questions or uncertainties.