Most effective way to clean bathroom tiles If your bathroom tiles have soap scum, hard-water stains, or a dull layer that refuses to go, this simple homemade cleaning method works extremely well and requires no harsh chemicals. Follow these detailed steps: 1. Add liquid dish wash Take a bowl and add three full spoons of liquid dish wash. Dish wash helps break down grease, soap scum, and grime stuck on tiles. 2. Add one-third cup of vinegar Pour 1/3 cup of white vinegar into the mixture. Vinegar