How Much To Clean Travel Trailer What Is The Best Way To Clean Soap Scum In Acrylic Shower (travel Trailer)?Soap Scum Is Very Hard To Remove.?

What is the best way to clean soap scum in acrylic shower (travel trailer)?Soap scum is very hard to remove.? - how much to clean travel trailer

I have tried to spray the cleaning of bathroom and Comet. It is very difficult to get soap scum. I can never get into something.