Showers, tubs, fixtures: Mix 1/4 cup in a 32 ounce spray bottle with water. Shake to dissolve. Apply to surface to be cleaned, let sit 1-2 minutes. Agitate and rinse. Cement/Tile/Glasses Lime Buildup: (1) Brush Dish Magic 1/4 cup per 1 gallon of water on surface. Agitate surface with brush and rinse or mop off with clean water. CAUTION: Not recommended for use on windows with anodized aluminum frames. Dish machine: Rinse and load dishes and glassware. Fill closeable side of detergent dispenser with Dish Magic. Fill open side of detergent dispenser with detergent. Start dish machine. Add 2 ounces Dish Magic during final rinse (optional). NOTE: This additional step will greatly enhance the sparkle of glassware.