Shower Door Covers How Do I Keep My New Glass Shower Door And Tiles Free From Scum And Limescale. Cleaners Never Seem To Work?

How do I keep my new glass shower door and tiles free from scum and limescale. Cleaners never seem to work? - shower door covers

I had just installed a new shower. It has white tiles and glass shower door. In the past, I have all the usual cleaning products and tiles and the door is kept trying covered with stains of lime and slag. Someone said that a product would be called rain racer. If you used it?