DIY Detail Water Spot Remover removes stains from water droplets; the chemical breakdown of mineral deposits causes these after the water evaporates.  Directions: Always wear Gloves and Conduct a test in an inconspicuous area to ensure the painted surface is safe to be treated with our water spot remover.  Spray water spot remover on one panel at a time. Allow 1-2 minutes to dwell, then rinse thoroughly. If necessary, Agitate the surface with a clean microfiber cloth. Repeat as necessary. 16 oz.