ONLY use this and it leaves floor spotless. (Heavy duty floor cleaner recipe: ¼ cup white vinegar 1 tablespoon liquid dish soap ¼ cup baking soda 2 gallons tap water, very warm.) It leaves everything smelling amazing.
Cleaning Grout Between Tiles - Floors, Bathroom, Shower, Kitchen
Cleaning Grout-Regular spraying with lemon juice, vinegar or alcohol keeps mold and mildew at bay. to clean, use 7 cups water, 1/2 cup baking soda, 1/3 cup lemon juice and 1/4 cup vinegar - throw in a spray bottle and spray your floor, let it sit for a minute or two... then scrub :)