Watermarks are caused by mineral deposits in water that can etch in to your paint, especially when your vehicle is in direct sun. Remove the mineral deposits and light etchings used to be extremely difficult because it typically involves high speed buffing and cutting polishes. However technological break through have provided us with safer and simpler solutions. The Chemical Guys Water Spot Remover is a safe way to quickly remove those nasty looking watermarks. Spray the watermarks and then gently agitate the surface with a soft and clean microfiber towel. The marks should dissolve and remove with ease. Stop starring at those horrible looking watermarks and start enjoying a deep and glossy clear coat again with the Water Spot Remover. Also works wonders on glass!