23. We should always keep the shower closed, and open the ventilation to keep it dry. Moist showers are a favorite breeding ground for molds and bacteria, and it can cause staining.

24. When the metallic materials inside the shower are starting to rust, we need to ask the help of a professional to have it replaced. The stain produced by rust can be difficult to remove, and we do not want our showers to be filled with rust.

25. Finally, we need to create a checklist about our weekly cleaning tasks and make sure that we are putting a lot of effort into cleaning our shower to keep stains from forming inside. We can search for different tips and tricks online that will keep our showers clean, and we should also inform our housemates about the importance of having a clean shower.