Here are 5 expert tips to effectively clean your shower: 1. Use a shower cleaner specifically designed for removing soap scum and hard water stains. 2. Scrub the walls and floors with a sponge or brush to remove dirt and grime. 3. Don't forget to clean the showerhead and faucets using vinegar or a specialized cleaner. 4. Rinse thoroughly to remove all traces of cleaning products. 5. Regular maintenance is key - clean your shower at least once a week to prevent buildup and maintain a sparkling clean shower.